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    SubjectRe: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7
    Date
    Hi Peter

    Thanks for your reply.
    > Please ensure your mailer doesn't wrap splats, ARM splats are aren't my
    > strong point to begin with and having them look all messed up doesn't
    > help.
    Im sorry for the inconvinience. Below is a version without newlines broken.

    The error does not occur when configured with
    CONFIG_PREEMPT_RT_FULL=y
    but with
    CONFIG_PREEMPT_RTB=y.
    The same error also happens with
    CONFIG_PREEMPT_LL=y. (A log is appended after the other log just search for CONFIG_PREEMPT_LL
    for starting point).

    Best regards
    Tim

    Log with CONFIG_PREEMPT_RTB:
    commandline: console=ttymxc0,115200 init=/usr/sbin/init lpj=2654208 quiet ip=none ubi.mtd=3 root=ubi0:root rootfstype=ubifs mtdparts=physmap-
    flash.0:256k(barebox)ro,128k(env),2M(kernel),-(rootfs);mxc_nand:-(data)
    arch_number: 2072

    Starting kernel ...

    Uncompressing Linux... done, booting the kernel.
    drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7a44000
    [00000000] *pgd=87a31831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#1] PREEMPT
    Modules linked in: nand_ecc(+)
    CPU: 0 Not tainted (3.0.1-pmx-rt8 #2)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x398/0x404
    pc : [<c002cbf0>] lr : [<c003e2fc>] psr: 60000013
    sp : c7a37ce8 ip : c7a37c30 fp : c7a37cf4
    r10: c789f840 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00000008 r5 : c04286c0 r4 : c7a37d78
    r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027
    Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87a44008 DAC: 00000015
    Process udevd (pid: 216, stack limit = 0xc7a36268)
    Stack: (0xc7a37ce8 to 0xc7a38000)
    7ce0: c7a37d14 c7a37cf8 c0076aac c002cbd8 c7a37d78 c7a617a0
    7d00: 00000008 c02530a0 c7a37d74 c7a37d18 c0076c2c c0076a74 00000008 00000000
    7d20: c7a37d44 c7a37d40 c7a36000 00000000 00001000 00000000 00000000 00000000
    7d40: c7a37d74 c04286c0 c0041ce0 00000000 00000000 00000000 c789f840 c7a37d78
    7d60: 00000000 00000000 c7a37dac c7a37d78 c0076d64 c0076b50 c7a37f10 00000001
    7d80: 00000000 00000008 00000000 00000000 00000000 c789f840 c7a616f0 00000008
    7da0: c7a37e3c c7a37db0 c0078f60 c0076d14 00000000 00000000 c7a37ed0 00000008
    7dc0: 00000000 c0035114 c7a37dec c7a37dd8 c0035114 c002b620 c7a617a0 c7a37ed0
    7de0: c7a37f10 c7a37e98 c008ed00 c0035064 00000000 00000001 c7a37e24 c7a6d808
    7e00: 400c3000 00000000 c7a45000 00000008 c7a08860 00000000 c789f840 c7a6170c
    7e20: 00000000 c7a37e98 c7a37f10 00000001 c7a37e8c c7a37e40 c0079024 c0078b04
    7e40: c002b614 00000001 91827364 c7a37e4c c7a37e4c c7a37e54 c7a37e54 00000000
    7e60: c7a37eb4 c789f840 c7a37e98 c7a37f70 c7a37f10 fffffdee c7a36000 00000000
    7e80: c7a37f3c c7a37e90 c00a191c c0078fb8 00000000 00000000 c014e10c c0035064
    7ea0: 00000000 00000001 ffffffff c789f840 00000000 00000000 00000000 00000000
    7ec0: c7860c40 c005c3d8 00000000 00000000 00000000 00000000 00000007 400c3000
    7ee0: 00000008 c7a37fb0 00000008 bee39378 c7a37fac c7a37f00 c002420c c002f114
    7f00: c00242b0 c002f114 c7a37f2c c7a37f18 400c3000 00000008 c7a08898 00000008
    7f20: c789f840 400c3000 c7a37f70 00000008 c7a37f6c c7a37f40 c00a2070 c00a1880
    7f40: c7a36000 400c3000 00001000 c789f840 400c3000 00000000 00000000 00000008
    7f60: c7a37fa4 c7a37f70 c00a22f4 c00a1fc0 00000000 00000000 00000022 00000000
    7f80: ffffffff 00000008 000233d8 400c3000 00000004 c0029c24 00000000 c7a37fa8
    7fa0: c0029aa0 c00a22bc 00000008 000233d8 0000000a 400c3000 00000008 00000000
    7fc0: 00000008 000233d8 400c3000 00000004 00000008 00022344 000c42e8 00000001
    7fe0: 00000000 bee386e8 4014fe0c 401a321c 60000010 0000000a 006c6961 646e616e
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008
    Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000)
    ---[ end trace 2c683ece01bdd6a1 ]---
    note: udevd[216] exited with preempt_count 1
    BUG: scheduling while atomic: udevd/216/0x40000002
    Modules linked in: nand_ecc(+)
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7a37abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a08894 r6:00000000 r5:00000000 r4:c7a08860
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c7860c40 r4:c7a08860
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000
    7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008
    init: mount main process (218) terminated with status 1
    BUG: scheduling while atomic: udevd/216/0x40000002
    Modules linked in: nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818c80 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000
    7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008

    tim login: NAND device: Manufacturer ID: 0xec, Chip ID: 0xd3 (Samsung NAND 1GiB 3,3V 8-bit)
    Scanning device for bad blocks
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7ad4000
    [00000000] *pgd=87aa6831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#2] PREEMPT
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #2)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x3b4/0x404
    pc : [<c002cbf0>] lr : [<c003e318>] psr: 20000013
    sp : c7ac1ce8 ip : c7ac1c30 fp : c7ac1cf4
    r10: c7abfa40 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00000041 r5 : c0334d80 r4 : c7ac1d78
    r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027
    Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87ad4008 DAC: 00000015
    Process syslogd (pid: 233, stack limit = 0xc7ac0268)
    Stack: (0xc7ac1ce8 to 0xc7ac2000)
    1ce0: c7ac1d14 c7ac1cf8 c0076aac c002cbd8 c7ac1d78 c7a61490
    1d00: 00000041 c02530a0 c7ac1d74 c7ac1d18 c0076c2c c0076a74 00000041 00000000
    1d20: c7ac1d44 c7ac1d40 c7ac0000 00000000 00001000 00000000 00000000 00000000
    1d40: c7ac1d74 c0334d80 c0041ce0 00000000 00000000 00000000 c7abfa40 c7ac1d78
    1d60: 00000000 00000000 c7ac1dac c7ac1d78 c0076d64 c0076b50 c7ac1f10 00000001
    1d80: 00000000 00000041 00000000 00000000 00000000 c7abfa40 c7a613e0 00000041
    1da0: c7ac1e3c c7ac1db0 c0078f60 c0076d14 00000000 00000000 c7ac1ed0 00000041
    1dc0: 00000000 c00574a4 ffffffff c7ac0000 c7ac1e2c c7ac1de0 c7a61490 c7ac1ed0
    1de0: c7ac1f10 c7ac1e98 00000000 401b7000 00000000 00000001 401b7000 c04291c0
    1e00: c7ac1e2c c7a27a18 000000b7 00000041 c7ad5000 00000000 c7abfa40 c7a613fc
    1e20: 00000000 c7ac1e98 c7ac1f10 00000001 c7ac1e8c c7ac1e40 c0079024 c0078b04
    1e40: c002cbb0 c002b5f0 91827364 c7ac1e4c c7ac1e4c c7ac1e54 c7ac1e54 00000000
    1e60: c002b650 c7abfa40 c7ac1e98 c7ac1f70 c7ac1f10 fffffdee c7ac0000 00000000
    1e80: c7ac1f3c c7ac1e90 c00a191c c0078fb8 00000000 00000000 c7ac1ebc c7ac1ea8
    1ea0: 00000000 00000001 ffffffff c7abfa40 00000000 00000000 00000000 00000000
    1ec0: c7838080 c7ac1ed0 00000000 00000000 00000000 00000000 00000000 00000007
    1ee0: 00000041 401b7200 00000041 00000041 00000000 0006c6f0 c7ac1fac c7ac1f08
    1f00: c00242b0 c002f114 00000003 0db58584 0006c458 00000041 00000079 00000041
    1f20: c7abfa40 0006c458 c7ac1f70 00000041 c7ac1f6c c7ac1f40 c00a2070 c00a1880
    1f40: 00000079 00000000 00000010 c7abfa40 0006c458 00000000 00000000 00000041
    1f60: c7ac1fa4 c7ac1f70 c00a22f4 c00a1fc0 00000000 00000000 00000003 00000000
    1f80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c24 00000000 c7ac1fa8
    1fa0: c0029aa0 c00a22bc 0006b89c 00000041 00000004 0006c458 00000041 00032000
    1fc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 beb31bdc
    1fe0: 00000004 beb31b30 0000faa4 401b721c 60000010 00000004 00000000 00000000
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000)
    ---[ end trace 2c683ece01bdd6a2 ]---
    note: syslogd[233] exited with preempt_count 1
    BUG: scheduling while atomic: syslogd/233/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7838080 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7ac1abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a7dbf4 r6:00000000 r5:00000000 r4:c7a7dbc0
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c7838080 r4:c7a7dbc0
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7838080
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0
    r3:c7ac1ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7ac1ca0 to 0xc7ac1ce8)
    1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000
    1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0
    1ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    BUG: scheduling while atomic: syslogd/233/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7838080 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7ac1abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a7dbf4 r6:00000000 r5:00000000 r4:c7a7dbc0
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c7838080 r4:c7a7dbc0
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7838080
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0
    r3:c7ac1ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7ac1ca0 to 0xc7ac1ce8)
    1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000
    1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0
    1ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    BUG: scheduling while atomic: syslogd/233/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7838080 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818500 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7838080
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0
    r3:c7ac1ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7ac1ca0 to 0xc7ac1ce8)
    1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000
    1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0
    1ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    BUG: scheduling while atomic: syslogd/233/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7838080 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818500 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7838080
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0
    r3:c7ac1ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7ac1ca0 to 0xc7ac1ce8)
    1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000
    1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0
    1ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    BUG: scheduling while atomic: syslogd/233/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7ac0000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7838080 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818500 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7838080
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7ac1ca0 r6:c7a7dbc0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7838080 r5:c7a7dbc0 r4:c7ac1ca0
    r3:c7ac1ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7ac1ca0 to 0xc7ac1ce8)
    1ca0: 00000027 00000001 00000002 00000000 c7ac1d78 c0334d80 00000041 00000000
    1cc0: 00000000 00000000 c7abfa40 c7ac1cf4 c7ac1c30 c7ac1ce8 c003e318 c002cbf0
    1ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7ac1cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000041 r5:c7a61490 r4:c7ac1d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a613e0 r6:c7abfa40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7ac1f70 r6:0006c458 r5:c7abfa40 r4:00000041
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c7abfa40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    sched: RT throttling activated
    Segmentation faultinit: syslogd main process (228) terminated with status 139
    init: syslogd main process ended, respawning

    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7a74000
    [00000000] *pgd=87a5f831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#3] PREEMPT
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #2)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x3b4/0x404
    pc : [<c002cbf0>] lr : [<c003e318>] psr: 20000013
    sp : c7a81ce8 ip : c7a81c30 fp : c7a81cf4
    r10: c7a31e20 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00000006 r5 : c0428ee0 r4 : c7a81d78
    r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027
    Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87a74008 DAC: 00000015
    Process ifup (pid: 222, stack limit = 0xc7a80268)
    Stack: (0xc7a81ce8 to 0xc7a82000)
    1ce0: c7a81d14 c7a81cf8 c0076aac c002cbd8 c7a81d78 c7a61618
    1d00: 00000006 c02530a0 c7a81d74 c7a81d18 c0076c2c c0076a74 00000006 00000000
    1d20: c7a81d44 c7a81d40 c7a80000 00000000 00001000 00000000 00000000 00000000
    1d40: c7a81d74 c0428ee0 c0041ce0 00000000 00000000 00000000 c7a31e20 c7a81d78
    1d60: 00000000 00000000 c7a81dac c7a81d78 c0076d64 c0076b50 c7a81f10 00000001
    1d80: 00000000 00000006 00000000 00000000 00000000 c7a31e20 c7a61568 00000006
    1da0: c7a81e3c c7a81db0 c0078f60 c0076d14 00000000 00000000 c7a81ed0 00000006
    1dc0: 00000000 c0035114 c7a81dec c7a81dd8 c0035114 c002b620 c7a61618 c7a81ed0
    1de0: c7a81f10 c7a81e98 c008ed00 c0035064 00000000 00000001 c7a81e24 c7a6d700
    1e00: 40046000 00000000 c7a75000 00000006 c7a081e0 00000000 c7a31e20 c7a61584
    1e20: 00000000 c7a81e98 c7a81f10 00000001 c7a81e8c c7a81e40 c0079024 c0078b04
    1e40: c002b614 00000001 91827364 c7a81e4c c7a81e4c c7a81e54 c7a81e54 00000000
    1e60: c7a81eb4 c7a31e20 c7a81e98 c7a81f70 c7a81f10 fffffdee c7a80000 00000000
    1e80: c7a81f3c c7a81e90 c00a191c c0078fb8 00000000 00000000 c014e10c c0035064
    1ea0: 00000000 00000001 ffffffff c7a31e20 00000000 00000000 00000000 00000000
    1ec0: c787d400 c005c3d8 00000000 00000000 00000000 00000000 00000007 40046000
    1ee0: 00000006 c7a81fb0 00000006 0006c0d8 c7a81fac c7a81f00 c002420c c002f114
    1f00: c00242b0 c002f114 c7a81f2c c7a81f18 40046000 00000006 c7a08218 00000006
    1f20: c7a31e20 40046000 c7a81f70 00000006 c7a81f6c c7a81f40 c00a2070 c00a1880
    1f40: c7a80000 40046000 00001000 c7a31e20 40046000 00000000 00000000 00000006
    1f60: c7a81fa4 c7a81f70 c00a22f4 c00a1fc0 00000000 00000000 00000022 00000000
    1f80: ffffffff 00000006 0006c4c8 40046000 00000004 c0029c24 00000000 c7a81fa8
    1fa0: c0029aa0 c00a22bc 00000006 0006c4c8 00000003 40046000 00000006 00000000
    1fc0: 00000006 0006c4c8 40046000 00000004 00000006 00000000 000c42e8 00000001
    1fe0: 00000000 be8a6c10 4013ce0c 4019021c 60000010 00000003 7fe00402 7ff00402
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000006 r5:c7a61618 r4:c7a81d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000006 r7:c7a61568 r6:c7a31e20 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000006 r7:c7a81f70 r6:40046000 r5:c7a31e20 r4:00000006
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000006 r7:00000000 r6:00000000 r5:40046000 r4:c7a31e20
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:40046000 r5:0006c4c8 r4:00000006
    Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000)
    ---[ end trace 2c683ece01bdd6a3 ]---
    note: ifup[222] exited with preempt_count 1
    BUG: scheduling while atomic: ifup/222/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a80000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c787d400 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7a81abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a08214 r6:00000000 r5:00000000 r4:c7a081e0
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c787d400 r4:c7a081e0
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c787d400
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a81ca0 r6:c7a081e0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c787d400 r5:c7a081e0 r4:c7a81ca0
    r3:c7a81ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a81ca0 to 0xc7a81ce8)
    1ca0: 00000027 00000002 00000002 00000000 c7a81d78 c0428ee0 00000006 00000000
    1cc0: 00000000 00000000 c7a31e20 c7a81cf4 c7a81c30 c7a81ce8 c003e318 c002cbf0
    1ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000006 r5:c7a81cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000006 r5:c7a61618 r4:c7a81d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000006 r7:c7a61568 r6:c7a31e20 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000006 r7:c7a81f70 r6:40046000 r5:c7a31e20 r4:00000006
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000006 r7:00000000 r6:00000000 r5:40046000 r4:c7a31e20
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:40046000 r5:0006c4c8 r4:00000006
    BUG: scheduling while atomic: udevd/216/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818c80 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000
    7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008
    BUG: scheduling while atomic: udevd/216/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818c80 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000
    7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008
    BUG: scheduling while atomic: udevd/216/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7818c80 r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00407cc>] (put_files_struct+0x94/0xec)
    [<c0040738>] (put_files_struct+0x0/0xec) from [<c00408d0>] (exit_files+0x58/0x5c)
    [<c0040878>] (exit_files+0x0/0x5c) from [<c0040adc>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a08860 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a08860 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000000 00000002 00000000 c7a37d78 c04286c0 00000008 00000000
    7cc0: 00000000 00000000 c789f840 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00000008 r5:c7a617a0 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a616f0 r6:c789f840 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a37f70 r6:400c3000 r5:c789f840 r4:00000008
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400c3000 r4:c789f840
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400c3000 r5:000233d8 r4:00000008
    init: udev main process (216) killed by SEGV signal
    init: udev main process ended, respawning
    hbm fpgaload loaded successfully
    DSPLOAD: loaded successful
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7b08000
    [00000000] *pgd=87b00831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#4] PREEMPT
    Modules linked in: dspload(+) fpgaload mxc_nand(+) nand nand_ids nand_ecc
    CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #2)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x398/0x404
    pc : [<c002cbf0>] lr : [<c003e2fc>] psr: 60000013
    sp : c7a37ce8 ip : c7a37c30 fp : c7a37cf4
    r10: c789fc40 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00001000 r5 : c0426060 r4 : c7a37d78
    r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027
    Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87b08008 DAC: 00000015
    Process udevadm (pid: 246, stack limit = 0xc7a36268)
    Stack: (0xc7a37ce8 to 0xc7a38000)
    7ce0: c7a37d14 c7a37cf8 c0076aac c002cbd8 c7a37d78 c7ad3f68
    7d00: 00001000 c02530a0 c7a37d74 c7a37d18 c0076c2c c0076a74 00001000 00000000
    7d20: c7a37d44 c7a37d40 c7a36000 00000000 00001000 00000000 00000000 00000000
    7d40: c0035114 c0426060 00000001 00000000 00000000 00000000 c789fc40 c7a37d78
    7d60: 00000000 00000000 c7a37dac c7a37d78 c0076d64 c0076b50 c7a37f10 00000001
    7d80: 00000000 00001000 00000000 00000000 00000000 c789fc40 c7ad3eb8 00001000
    7da0: c7a37e3c c7a37db0 c0078f60 c0076d14 00000000 00000000 c7a37ed0 00001000
    7dc0: 00000000 c0035114 c7a37dec c7a37dd8 c0035114 c002b620 c7ad3f68 c7a37ed0
    7de0: c7a37f10 c7a37e98 c008ed00 bec4fb78 00000004 00000001 c7a37e18 00000001
    7e00: 00000000 00002000 c74041a0 00001000 c7a37d28 00000000 c789fc40 c7ad3ed4
    7e20: 00000000 c7a37e98 c7a37f10 00000001 c7a37e8c c7a37e40 c0079024 c0078b04
    7e40: 00000066 c7a37f64 91827364 c7a37e4c c7a37e4c c7a37e54 c7a37e54 00000000
    7e60: bec4f88c c789fc40 c7a37e98 c7a37f70 c7a37f10 fffffdee c7a36000 00000000
    7e80: c7a37f3c c7a37e90 c00a191c c0078fb8 00000000 00000000 c7867100 00000001
    7ea0: 00000000 00000001 ffffffff c789fc40 00000000 00000000 00000000 00000000
    7ec0: c7860c40 c7a37ed0 00000000 00000000 00000000 00000000 c0024c60 00000002
    7ee0: 00001000 ffffffff 00001000 00001f9a c7a37f1c c7a37f00 c002cbb0 c002b5f0
    7f00: c002b614 00000001 c0306a38 c7a36000 4003c000 00001000 c7a37e18 00001000
    7f20: c789fc40 4003c000 c7a37f70 00001000 c7a37f6c c7a37f40 c00a2070 c00a1880
    7f40: c7a37f80 0000004e c0029c24 c789fc40 4003c000 00000000 00000000 00001000
    7f60: c7a37fa4 c7a37f70 c00a22f4 c00a1fc0 00000000 00000000 bec4f8a0 00000000
    7f80: 00000006 00001000 402245c8 4003c000 00000004 c0029c24 00000000 c7a37fa8
    7fa0: c0029aa0 c00a22bc 00001000 402245c8 00000001 4003c000 00001000 00000000
    7fc0: 00001000 402245c8 4003c000 00000004 00001000 00000001 000c42e8 bec4f864
    7fe0: 00000000 bec4f2a8 4015fe0c 401b321c 60000010 00000001 006c6961 646e616e
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4003c000 r4:c789fc40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4003c000 r5:402245c8 r4:00001000
    Code: e59f0010 e1a01003 eb08753c e3a03000 (e5833000)
    ---[ end trace 2c683ece01bdd6a4 ]---
    note: udevadm[246] exited with preempt_count 1
    BUG: scheduling while atomic: udevadm/246/0x40000002
    Modules linked in: dspload(+) fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000113
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7a37abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a7d3d4 r6:00000000 r5:00000000 r4:c7a7d3a0
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c7860c40 r4:c7a7d3a0
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a7d3a0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a7d3a0 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000003 00000002 00000000 c7a37d78 c0426060 00001000 00000000
    7cc0: 00000000 00000000 c789fc40 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4003c000 r4:c789fc40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4003c000 r5:402245c8 r4:00001000
    hbm netx_reset loaded successfully
    netx mmap loaded successfully
    PAD_TX0= 0x20f8
    WEIM registers set up:
    CSCR4U_VAL = 0x580
    CSCR4L_VAL = 0x3d51
    CSCR4A_VAL = 0x20
    BCM_VAL = 1000
    BUG: scheduling while atomic: udevadm/246/0x40000002
    Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7a37abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a7d3d4 r6:00000000 r5:00000000 r4:c7a7d3a0
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c7860c40 r4:c7a7d3a0
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a7d3a0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a7d3a0 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000003 00000002 00000000 c7a37d78 c0426060 00001000 00000000
    7cc0: 00000000 00000000 c789fc40 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4003c000 r4:c789fc40
    [<c00a22b0>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4003c000 r5:402245c8 r4:00001000
    BUG: scheduling while atomic: udevadm/246/0x40000002
    Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0249f58>] (dump_stack+0x18/0x1c)
    r6:c7a36000 r5:c0306a38 r4:00000000 r3:20000013
    [<c0249f40>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c024a258>] (__schedule+0x60/0x2f0)
    r4:c7860c40 r3:00000000
    [<c024a1f8>] (__schedule+0x0/0x2f0) from [<c00357d0>] (__cond_resched+0x24/0x3c)
    [<c00357ac>] (__cond_resched+0x0/0x3c) from [<c024a58c>] (_cond_resched+0x38/0x48)
    r4:c7a37abc r3:00000001
    [<c024a554>] (_cond_resched+0x0/0x48) from [<c00903ac>] (unmap_page_range+0x1c4/0x1dc)
    [<c00901e8>] (unmap_page_range+0x0/0x1dc) from [<c00908b4>] (unmap_vmas+0x80/0xb0)
    [<c0090834>] (unmap_vmas+0x0/0xb0) from [<c0094b04>] (exit_mmap+0x12c/0x290)
    [<c00949d8>] (exit_mmap+0x0/0x290) from [<c003b224>] (mmput+0x3c/0xec)
    r7:c7a7d3d4 r6:00000000 r5:00000000 r4:c7a7d3a0
    [<c003b1e8>] (mmput+0x0/0xec) from [<c003f2fc>] (exit_mm+0x150/0x160)
    r5:c7860c40 r4:c7a7d3a0
    [<c003f1ac>] (exit_mm+0x0/0x160) from [<c0040acc>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7860c40
    [<c00408d4>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a37ca0 r6:c7a7d3a0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03050cc r6:c7860c40 r5:c7a7d3a0 r4:c7a37ca0
    r3:c7a37ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a37ca0 to 0xc7a37ce8)
    7ca0: 00000027 00000003 00000002 00000000 c7a37d78 c0426060 00001000 00000000
    7cc0: 00000000 00000000 c789fc40 c7a37cf4 c7a37c30 c7a37ce8 c003e2fc c002cbf0
    7ce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a37cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076aac>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076a68>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c0076c2c>] (generic_perform_write+0xe8/0x1c4)
    r7:c02530a0 r6:00001000 r5:c7ad3f68 r4:c7a37d78
    [<c0076b44>] (generic_perform_write+0x0/0x1c4) from [<c0076d64>] (generic_file_buffered_write+0x5c/0x88)
    [<c0076d08>] (generic_file_buffered_write+0x0/0x88) from [<c0078f60>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7ad3eb8 r6:c789fc40 r5:00000000 r4:00000000
    [<c0078af8>] (__generic_file_aio_write+0x0/0x4b4) from [<c0079024>] (generic_file_aio_write+0x78/0xe8)
    [<c0078fac>] (generic_file_aio_write+0x0/0xe8) from [<c00a191c>] (do_sync_write+0xa8/0xe4)
    [<c00a1874>] (do_sync_write+0x0/0xe4) from [<c00a2070>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a37f70 r6:4003c000 r5:c789fc40 r4:00001000
    [<c00a1fb4>] (vfs_write+0x0/0x148) from [<c00a22f4>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000

    Log with CONFIG_PREEMPT_LL=y:
    Starting kernel ...

    Uncompressing Linux... done, booting the kernel.
    drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7a38000
    [00000000] *pgd=87a37831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#1] PREEMPT
    Modules linked in: nand_ecc
    CPU: 0 Not tainted (3.0.1-pmx-rt8 #1)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x3b4/0x404
    pc : [<c002cbf0>] lr : [<c003e2cc>] psr: 20000013
    sp : c7a2fce8 ip : c7a2fc30 fp : c7a2fcf4
    r10: c783ba20 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00000008 r5 : c03305e0 r4 : c7a2fd78
    r3 : 00000000 r2 : 00000002 r1 : 00000000 r0 : 00000027
    Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87a38008 DAC: 00000015
    Process udevd (pid: 210, stack limit = 0xc7a2e268)
    Stack: (0xc7a2fce8 to 0xc7a30000)
    fce0: c7a2fd14 c7a2fcf8 c0076658 c002cbd8 c7a2fd78 c7a697a0
    fd00: 00000008 c02507a0 c7a2fd74 c7a2fd18 c00767d8 c0076620 00000008 00000000
    fd20: c7a2fd44 c7a2fd40 c7a2e000 00000000 00001000 00000000 00000000 00000000
    fd40: c0035114 c03305e0 00000001 00000000 00000000 00000000 c783ba20 c7a2fd78
    fd60: 00000000 00000000 c7a2fdac c7a2fd78 c0076910 c00766fc c7a2ff10 00000001
    fd80: 00000000 00000008 00000000 00000000 00000000 c783ba20 c7a696f0 00000008
    fda0: c7a2fe3c c7a2fdb0 c0078b0c c00768c0 00000000 00000000 c7a2fed0 00000008
    fdc0: 00000000 c0035114 c7a2fdec c7a2fdd8 c0035114 c002b620 c7a697a0 c7a2fed0
    fde0: c7a2ff10 c7a2fe98 c008e090 c0035064 00000000 00000001 c7a2fe24 c7a3c650
    fe00: 400d5000 00000000 c7a39000 00000008 c7a01960 00000000 c783ba20 c7a6970c
    fe20: 00000000 c7a2fe98 c7a2ff10 00000001 c7a2fe8c c7a2fe40 c0078bd0 c00786b0
    fe40: c002b614 00000001 91827364 c7a2fe4c c7a2fe4c c7a2fe54 c7a2fe54 00000000
    fe60: c7a2feb4 c783ba20 c7a2fe98 c7a2ff70 c7a2ff10 fffffdee c7a2e000 00000000
    fe80: c7a2ff3c c7a2fe90 c00a04d0 c0078b64 00000000 00000000 c014ca68 c0035064
    fea0: 00000000 00000001 ffffffff c783ba20 00000000 00000000 00000000 00000000
    fec0: c78663c0 c005bf94 00000000 00000000 00000000 00000000 00000007 400d5000
    fee0: 00000008 c7a2ffb0 00000008 beca8378 c7a2ffac c7a2ff00 c002420c c002f114
    ff00: c00242b0 c002f114 00000000 c0035114 400d5000 00000008 c0035114 00000008
    ff20: c783ba20 400d5000 c7a2ff70 00000008 c7a2ff6c c7a2ff40 c00a0c24 c00a0434
    ff40: c7a2e000 400d5000 00001000 c783ba20 400d5000 00000000 00000000 00000008
    ff60: c7a2ffa4 c7a2ff70 c00a0ea8 c00a0b74 00000000 00000000 00000022 00000000
    ff80: ffffffff 00000008 000233d8 400d5000 00000004 c0029c24 00000000 c7a2ffa8
    ffa0: c0029aa0 c00a0e70 00000008 000233d8 0000000a 400d5000 00000008 00000000
    ffc0: 00000008 000233d8 400d5000 00000004 00000008 00022344 000c42e8 00000001
    ffe0: 00000000 beca76e8 40166e0c 401ba21c 60000010 0000000a c4cc6558 40880810
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000008 r5:c7a697a0 r4:c7a2fd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a696f0 r6:c783ba20 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a2ff70 r6:400d5000 r5:c783ba20 r4:00000008
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400d5000 r4:c783ba20
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400d5000 r5:000233d8 r4:00000008
    Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000)
    ---[ end trace 48a34d846aec482e ]---
    note: udevd[210] exited with preempt_count 1
    BUG: scheduling while atomic: udevd/210/0x40000002
    Modules linked in: nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a2e000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c78663c0 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7a2fabc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a01994 r6:00000000 r5:00000000 r4:c7a01960
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c78663c0 r4:c7a01960
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c78663c0
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a2fca0 r6:c7a01960 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c78663c0 r5:c7a01960 r4:c7a2fca0
    r3:c7a2fca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a2fca0 to 0xc7a2fce8)
    fca0: 00000027 00000000 00000002 00000000 c7a2fd78 c03305e0 00000008 00000000
    fcc0: 00000000 00000000 c783ba20 c7a2fcf4 c7a2fc30 c7a2fce8 c003e2cc c002cbf0
    fce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a2fcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000008 r5:c7a697a0 r4:c7a2fd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a696f0 r6:c783ba20 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a2ff70 r6:400d5000 r5:c783ba20 r4:00000008
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400d5000 r4:c783ba20
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400d5000 r5:000233d8 r4:00000008
    init: mount main process (212) terminated with status 1
    BUG: scheduling while atomic: udevd/210/0x40000002
    Modules linked in: nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a2e000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c78663c0 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c787b2e0 r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec)
    [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c)
    [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c78663c0
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a2fca0 r6:c7a01960 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c78663c0 r5:c7a01960 r4:c7a2fca0
    r3:c7a2fca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a2fca0 to 0xc7a2fce8)
    fca0: 00000027 00000000 00000002 00000000 c7a2fd78 c03305e0 00000008 00000000
    fcc0: 00000000 00000000 c783ba20 c7a2fcf4 c7a2fc30 c7a2fce8 c003e2cc c002cbf0
    fce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000008 r5:c7a2fcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000008 r5:c7a697a0 r4:c7a2fd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000008 r7:c7a696f0 r6:c783ba20 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000008 r7:c7a2ff70 r6:400d5000 r5:c783ba20 r4:00000008
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000008 r7:00000000 r6:00000000 r5:400d5000 r4:c783ba20
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400d5000 r5:000233d8 r4:00000008

    tim login: init: udev main process (210) killed by SEGV signal
    init: udev main process ended, respawning
    NAND device: Manufacturer ID: 0xec, Chip ID: 0xd3 (Samsung NAND 1GiB 3,3V 8-bit)
    Scanning device for bad blocks
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7aa8000
    [00000000] *pgd=87a7a831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#2] PREEMPT
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x3b4/0x404
    pc : [<c002cbf0>] lr : [<c003e2cc>] psr: 20000013
    sp : c7abbce8 ip : c7abbc30 fp : c7abbcf4
    r10: c783b620 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00000041 r5 : c03306c0 r4 : c7abbd78
    r3 : 00000000 r2 : 00000002 r1 : 00000001 r0 : 00000027
    Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87aa8008 DAC: 00000015
    Process syslogd (pid: 230, stack limit = 0xc7aba268)
    Stack: (0xc7abbce8 to 0xc7abc000)
    bce0: c7abbd14 c7abbcf8 c0076658 c002cbd8 c7abbd78 c7a69308
    bd00: 00000041 c02507a0 c7abbd74 c7abbd18 c00767d8 c0076620 00000041 00000000
    bd20: c7abbd44 c7abbd40 c7aba000 00000000 00001000 00000000 00000000 00000000
    bd40: c7abbd74 c03306c0 c0041c68 00000000 00000000 00000000 c783b620 c7abbd78
    bd60: 00000000 00000000 c7abbdac c7abbd78 c0076910 c00766fc c7abbf10 00000001
    bd80: 00000000 00000041 00000000 00000000 00000000 c783b620 c7a69258 00000041
    bda0: c7abbe3c c7abbdb0 c0078b0c c00768c0 00000000 00000000 c7abbed0 00000041
    bdc0: 00000000 c0057430 ffffffff c7aba000 c7abbe2c c7abbde0 c7a69308 c7abbed0
    bde0: c7abbf10 c7abbe98 00000000 40107000 00000000 00000001 40107000 c0425140
    be00: c7abbe2c c7a1ee38 000000b7 00000041 c7aa9000 00000000 c783b620 c7a69274
    be20: 00000000 c7abbe98 c7abbf10 00000001 c7abbe8c c7abbe40 c0078bd0 c00786b0
    be40: c002cbb0 c002b5f0 91827364 c7abbe4c c7abbe4c c7abbe54 c7abbe54 00000000
    be60: c002b650 c783b620 c7abbe98 c7abbf70 c7abbf10 fffffdee c7aba000 00000000
    be80: c7abbf3c c7abbe90 c00a04d0 c0078b64 00000000 00000000 c7abbebc c7abbea8
    bea0: 00000000 00000001 ffffffff c783b620 00000000 00000000 00000000 00000000
    bec0: c7866980 c7abbed0 00000000 00000000 00000000 00000000 00000000 00000007
    bee0: 00000041 40107200 00000041 00000041 00000000 0006c6f0 c7abbfac c7abbf08
    bf00: c00242b0 c002f114 00000003 173eed83 0006c458 00000041 00000088 00000041
    bf20: c783b620 0006c458 c7abbf70 00000041 c7abbf6c c7abbf40 c00a0c24 c00a0434
    bf40: 00000088 00000000 00000010 c783b620 0006c458 00000000 00000000 00000041
    bf60: c7abbfa4 c7abbf70 c00a0ea8 c00a0b74 00000000 00000000 00000003 00000000
    bf80: 00001000 0006b89c 00000041 0006c458 00000004 c0029c24 00000000 c7abbfa8
    bfa0: c0029aa0 c00a0e70 0006b89c 00000041 00000004 0006c458 00000041 00032000
    bfc0: 0006b89c 00000041 0006c458 00000004 00000041 00000000 0006c6f0 beb5abdc
    bfe0: 00000004 beb5ab30 0000faa4 4010721c 60000010 00000004 87ffe821 87ffec21
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000)
    ---[ end trace 48a34d846aec482f ]---
    note: syslogd[230] exited with preempt_count 1
    BUG: scheduling while atomic: syslogd/230/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c7866980 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7abbabc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a99e34 r6:00000000 r5:00000000 r4:c7a99e00
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c7866980 r4:c7a99e00
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7866980
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0
    r3:c7abbca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7abbca0 to 0xc7abbce8)
    bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000
    bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0
    bce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    BUG: scheduling while atomic: syslogd/230/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000013
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c7866980 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c787b2e0 r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec)
    [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c)
    [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7866980
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0
    r3:c7abbca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7abbca0 to 0xc7abbce8)
    bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000
    bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0
    bce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    BUG: scheduling while atomic: syslogd/230/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c7866980 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c787b2e0 r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec)
    [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c)
    [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7866980
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0
    r3:c7abbca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7abbca0 to 0xc7abbce8)
    bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000
    bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0
    bce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    sched: RT throttling activated
    BUG: scheduling while atomic: syslogd/230/0x40000002
    Modules linked in: mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7aba000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c7866980 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c787b2e0 r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec)
    [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c)
    [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c7866980
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7abbca0 r6:c7a99e00 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c7866980 r5:c7a99e00 r4:c7abbca0
    r3:c7abbca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7abbca0 to 0xc7abbce8)
    bca0: 00000027 00000001 00000002 00000000 c7abbd78 c03306c0 00000041 00000000
    bcc0: 00000000 00000000 c783b620 c7abbcf4 c7abbc30 c7abbce8 c003e2cc c002cbf0
    bce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000041 r5:c7abbcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000041 r5:c7a69308 r4:c7abbd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000041 r7:c7a69258 r6:c783b620 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000041 r7:c7abbf70 r6:0006c458 r5:c783b620 r4:00000041
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000041 r7:00000000 r6:00000000 r5:0006c458 r4:c783b620
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:0006c458 r5:00000041 r4:0006b89c
    Segmentation faultinit: syslogd main process (227) terminated with status 139

    init: syslogd main process ended, respawning
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7a5c000
    [00000000] *pgd=87a66831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#3] PREEMPT
    Modules linked in: fpgaload(+) mxc_nand(+) nand nand_ids nand_ecc
    CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x3b4/0x404
    pc : [<c002cbf0>] lr : [<c003e2cc>] psr: 20000013
    sp : c7a63ce8 ip : c7a63c30 fp : c7a63cf4
    r10: c7ae5540 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00000006 r5 : c0331ee0 r4 : c7a63d78
    r3 : 00000000 r2 : 00000002 r1 : 00000002 r0 : 00000027
    Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87a5c008 DAC: 00000015
    Process ifup (pid: 215, stack limit = 0xc7a62268)
    Stack: (0xc7a63ce8 to 0xc7a64000)
    3ce0: c7a63d14 c7a63cf8 c0076658 c002cbd8 c7a63d78 c7a79de0
    3d00: 00000006 c02507a0 c7a63d74 c7a63d18 c00767d8 c0076620 00000006 00000000
    3d20: c7a63d44 c7a63d40 c7a62000 00000000 00001000 00000000 00000000 00000000
    3d40: c7a63d74 c0331ee0 c0041c68 00000000 00000000 00000000 c7ae5540 c7a63d78
    3d60: 00000000 00000000 c7a63dac c7a63d78 c0076910 c00766fc c7a63f10 00000001
    3d80: 00000000 00000006 00000000 00000000 00000000 c7ae5540 c7a79d30 00000006
    3da0: c7a63e3c c7a63db0 c0078b0c c00768c0 00000000 00000000 c7a63ed0 00000006
    3dc0: 00000000 c0035114 c7a63dec c7a63dd8 c0035114 c002b620 c7a79de0 c7a63ed0
    3de0: c7a63f10 c7a63e98 c008e090 c0035064 00000000 00000001 c7a63e24 c7ab24f0
    3e00: 400ba000 00000000 c7a5d000 00000006 c7a014e0 00000000 c7ae5540 c7a79d4c
    3e20: 00000000 c7a63e98 c7a63f10 00000001 c7a63e8c c7a63e40 c0078bd0 c00786b0
    3e40: c002b614 00000001 91827364 c7a63e4c c7a63e4c c7a63e54 c7a63e54 00000000
    3e60: c7a63eb4 c7ae5540 c7a63e98 c7a63f70 c7a63f10 fffffdee c7a62000 00000000
    3e80: c7a63f3c c7a63e90 c00a04d0 c0078b64 00000000 00000000 c014ca68 c0035064
    3ea0: 00000000 00000001 ffffffff c7ae5540 00000000 00000000 00000000 00000000
    3ec0: c7838920 c005bf94 00000000 00000000 00000000 00000000 00000007 400ba000
    3ee0: 00000006 c7a63fb0 00000006 0006c0d8 c7a63fac c7a63f00 c002420c c002f114
    3f00: c00242b0 c002f114 00000000 c0035114 400ba000 00000006 c0035114 00000006
    3f20: c7ae5540 400ba000 c7a63f70 00000006 c7a63f6c c7a63f40 c00a0c24 c00a0434
    3f40: c7a62000 400ba000 00001000 c7ae5540 400ba000 00000000 00000000 00000006
    3f60: c7a63fa4 c7a63f70 c00a0ea8 c00a0b74 00000000 00000000 00000022 00000000
    3f80: ffffffff 00000006 0006c4c8 400ba000 00000004 c0029c24 00000000 c7a63fa8
    3fa0: c0029aa0 c00a0e70 00000006 0006c4c8 00000003 400ba000 00000006 00000000
    3fc0: 00000006 0006c4c8 400ba000 00000004 00000006 00000000 000c42e8 00000001
    3fe0: 00000000 be851c10 4014ee0c 401a221c 60000010 00000003 87ffe821 87ffec21
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000006 r5:c7a79de0 r4:c7a63d78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000006 r7:c7a79d30 r6:c7ae5540 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000006 r7:c7a63f70 r6:400ba000 r5:c7ae5540 r4:00000006
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000006 r7:00000000 r6:00000000 r5:400ba000 r4:c7ae5540
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400ba000 r5:0006c4c8 r4:00000006
    Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000)
    ---[ end trace 48a34d846aec4830 ]---
    note: ifup[215] exited with preempt_count 1
    BUG: scheduling while atomic: ifup/215/0x40000002
    Modules linked in: fpgaload(+) mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a62000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c7838920 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7a63abc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a01514 r6:00000000 r5:00000000 r4:c7a014e0
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c7838920 r4:c7a014e0
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c7838920
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a63ca0 r6:c7a014e0 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c7838920 r5:c7a014e0 r4:c7a63ca0
    r3:c7a63ca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a63ca0 to 0xc7a63ce8)
    3ca0: 00000027 00000002 00000002 00000000 c7a63d78 c0331ee0 00000006 00000000
    3cc0: 00000000 00000000 c7ae5540 c7a63cf4 c7a63c30 c7a63ce8 c003e2cc c002cbf0
    3ce0: 20000013 ffffffff
    r8:00000000 r7:00000000 r6:00000006 r5:c7a63cd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00000006 r5:c7a79de0 r4:c7a63d78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00000006 r7:c7a79d30 r6:c7ae5540 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00000006 r7:c7a63f70 r6:400ba000 r5:c7ae5540 r4:00000006
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00000006 r7:00000000 r6:00000000 r5:400ba000 r4:c7ae5540
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:400ba000 r5:0006c4c8 r4:00000006
    hbm fpgaload loaded successfully
    DSPLOAD: loaded successful
    kernel BUG at mm/filemap.c:2043!
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    pgd = c7ad4000
    [00000000] *pgd=87ae7831, *pte=00000000, *ppte=00000000
    Internal error: Oops: 817 [#4] PREEMPT
    Modules linked in: dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    CPU: 0 Tainted: G D (3.0.1-pmx-rt8 #1)
    PC is at __bug+0x24/0x30
    LR is at vprintk+0x398/0x404
    pc : [<c002cbf0>] lr : [<c003e2b0>] psr: 60000013
    sp : c7a9dce8 ip : c7a9dc30 fp : c7a9dcf4
    r10: c789a440 r9 : 00000000 r8 : 00000000
    r7 : 00000000 r6 : 00001000 r5 : c0331f60 r4 : c7a9dd78
    r3 : 00000000 r2 : 00000002 r1 : 00000003 r0 : 00000027
    Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
    Control: 00c5387d Table: 87ad4008 DAC: 00000015
    Process udevadm (pid: 233, stack limit = 0xc7a9c268)
    Stack: (0xc7a9dce8 to 0xc7a9e000)
    dce0: c7a9dd14 c7a9dcf8 c0076658 c002cbd8 c7a9dd78 c7a69180
    dd00: 00001000 c02507a0 c7a9dd74 c7a9dd18 c00767d8 c0076620 00001000 00000000
    dd20: c7a9dd44 c7a9dd40 c7a9c000 00000000 00001000 00000000 00000000 00000000
    dd40: c0035114 c0331f60 00000001 00000000 00000000 00000000 c789a440 c7a9dd78
    dd60: 00000000 00000000 c7a9ddac c7a9dd78 c0076910 c00766fc c7a9df10 00000001
    dd80: 00000000 00001000 00000000 00000000 00000000 c789a440 c7a690d0 00001000
    dda0: c7a9de3c c7a9ddb0 c0078b0c c00768c0 00000000 00000000 c7a9ded0 00001000
    ddc0: 00000000 c0035114 c7a9ddec c7a9ddd8 c0035114 c002b620 c7a69180 c7a9ded0
    dde0: c7a9df10 c7a9de98 956d607c becb3b78 00000004 00000001 c7a9de18 00000001
    de00: 00000000 00002000 c74042e0 00001000 c7a9dd28 00000000 c789a440 c7a690ec
    de20: 00000000 c7a9de98 c7a9df10 00000001 c7a9de8c c7a9de40 c0078bd0 c00786b0
    de40: 000000a0 c7a9df64 91827364 c7a9de4c c7a9de4c c7a9de54 c7a9de54 00000000
    de60: becb388c c789a440 c7a9de98 c7a9df70 c7a9df10 fffffdee c7a9c000 00000000
    de80: c7a9df3c c7a9de90 c00a04d0 c0078b64 00000000 00000000 c7a9deb4 c7a9dea8
    dea0: 00000000 00000001 ffffffff c789a440 00000000 00000000 00000000 00000000
    dec0: c789ba00 c03059d8 00000000 00000000 00000000 00000000 c7a9df04 c7a9dee8
    dee0: 00001000 c0035064 00001000 00001f60 c7aa4000 00000021 00000000 00000021
    df00: c03059d8 00000020 00000001 00000001 4007d000 00001000 c7a9de18 00001000
    df20: c789a440 4007d000 c7a9df70 00001000 c7a9df6c c7a9df40 c00a0c24 c00a0434
    df40: c7a9df80 0000004e c0029c24 c789a440 4007d000 00000000 00000000 00001000
    df60: c7a9dfa4 c7a9df70 c00a0ea8 c00a0b74 00000000 00000000 becb38a0 00000000
    df80: 00000005 00001000 402415c8 4007d000 00000004 c0029c24 00000000 c7a9dfa8
    dfa0: c0029aa0 c00a0e70 00001000 402415c8 00000001 4007d000 00001000 00000000
    dfc0: 00001000 402415c8 4007d000 00000004 00001000 0000001c 000c42e8 becb3864
    dfe0: 00000000 becb32a8 4017ce0c 401d021c 60000010 00000001 00000000 00000000
    Backtrace:
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000
    Code: e59f0010 e1a01003 eb086b03 e3a03000 (e5833000)
    ---[ end trace 48a34d846aec4831 ]---
    note: udevadm[233] exited with preempt_count 1
    BUG: scheduling while atomic: udevadm/233/0x40000002
    Modules linked in: dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c789ba00 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7a9dabc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c789ba00 r4:c7a01c60
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c789ba00
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0
    r3:c7a9dca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a9dca0 to 0xc7a9dce8)
    dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000
    dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0
    dce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000
    BUG: scheduling while atomic: udevadm/233/0x40000002
    Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c789ba00 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7a9dabc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c789ba00 r4:c7a01c60
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c789ba00
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0
    r3:c7a9dca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a9dca0 to 0xc7a9dce8)
    dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000
    dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0
    dce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000
    BUG: scheduling while atomic: udevadm/233/0x40000002
    Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c789ba00 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7a9dabc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c789ba00 r4:c7a01c60
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c789ba00
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0
    r3:c7a9dca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a9dca0 to 0xc7a9dce8)
    dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000
    dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0
    dce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000
    BUG: scheduling while atomic: udevadm/233/0x40000002
    Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c789ba00 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c7a9dabc r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c008f73c>] (unmap_page_range+0x1c4/0x1dc)
    [<c008f578>] (unmap_page_range+0x0/0x1dc) from [<c008fc44>] (unmap_vmas+0x80/0xb0)
    [<c008fbc4>] (unmap_vmas+0x0/0xb0) from [<c0093e94>] (exit_mmap+0x12c/0x290)
    [<c0093d68>] (exit_mmap+0x0/0x290) from [<c003b1d8>] (mmput+0x3c/0xec)
    r7:c7a01c94 r6:00000000 r5:00000000 r4:c7a01c60
    [<c003b19c>] (mmput+0x0/0xec) from [<c003f290>] (exit_mm+0x150/0x160)
    r5:c789ba00 r4:c7a01c60
    [<c003f140>] (exit_mm+0x0/0x160) from [<c0040a60>] (do_exit+0x1f8/0x2d8)
    r7:00000817 r6:00000001 r5:0000000b r4:c789ba00
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c789ba00 r5:c7a01c60 r4:c7a9dca0
    r3:c7a9dca0
    [<c002f108>] (do_page_fault+0x0/0x14c) from [<c002420c>] (do_DataAbort+0x38/0xa0)
    [<c00241d4>] (do_DataAbort+0x0/0xa0) from [<c002960c>] (__dabt_svc+0x4c/0x80)
    Exception stack(0xc7a9dca0 to 0xc7a9dce8)
    dca0: 00000027 00000003 00000002 00000000 c7a9dd78 c0331f60 00001000 00000000
    dcc0: 00000000 00000000 c789a440 c7a9dcf4 c7a9dc30 c7a9dce8 c003e2b0 c002cbf0
    dce0: 60000013 ffffffff
    r8:00000000 r7:00000000 r6:00001000 r5:c7a9dcd4 r4:ffffffff
    [<c002cbcc>] (__bug+0x0/0x30) from [<c0076658>] (iov_iter_copy_from_user_atomic+0x44/0xdc)
    [<c0076614>] (iov_iter_copy_from_user_atomic+0x0/0xdc) from [<c00767d8>] (generic_perform_write+0xe8/0x1c4)
    r7:c02507a0 r6:00001000 r5:c7a69180 r4:c7a9dd78
    [<c00766f0>] (generic_perform_write+0x0/0x1c4) from [<c0076910>] (generic_file_buffered_write+0x5c/0x88)
    [<c00768b4>] (generic_file_buffered_write+0x0/0x88) from [<c0078b0c>] (__generic_file_aio_write+0x468/0x4b4)
    r8:00001000 r7:c7a690d0 r6:c789a440 r5:00000000 r4:00000000
    [<c00786a4>] (__generic_file_aio_write+0x0/0x4b4) from [<c0078bd0>] (generic_file_aio_write+0x78/0xe8)
    [<c0078b58>] (generic_file_aio_write+0x0/0xe8) from [<c00a04d0>] (do_sync_write+0xa8/0xe4)
    [<c00a0428>] (do_sync_write+0x0/0xe4) from [<c00a0c24>] (vfs_write+0xbc/0x148)
    r8:00001000 r7:c7a9df70 r6:4007d000 r5:c789a440 r4:00001000
    [<c00a0b68>] (vfs_write+0x0/0x148) from [<c00a0ea8>] (sys_write+0x44/0x70)
    r8:00001000 r7:00000000 r6:00000000 r5:4007d000 r4:c789a440
    [<c00a0e64>] (sys_write+0x0/0x70) from [<c0029aa0>] (ret_fast_syscall+0x0/0x30)
    r8:c0029c24 r7:00000004 r6:4007d000 r5:402415c8 r4:00001000
    BUG: scheduling while atomic: udevadm/233/0x40000002
    Modules linked in: netx_reset(+) dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
    Backtrace:
    [<c002cdf8>] (dump_backtrace+0x0/0x110) from [<c0247674>] (dump_stack+0x18/0x1c)
    r6:c7a9c000 r5:c0302a18 r4:00000000 r3:20000113
    [<c024765c>] (dump_stack+0x0/0x1c) from [<c003504c>] (__schedule_bug+0x58/0x64)
    [<c0034ff4>] (__schedule_bug+0x0/0x64) from [<c0247970>] (__schedule+0x60/0x2f0)
    r4:c789ba00 r3:00000000
    [<c0247910>] (__schedule+0x0/0x2f0) from [<c00357bc>] (__cond_resched+0x24/0x3c)
    [<c0035798>] (__cond_resched+0x0/0x3c) from [<c0247ca4>] (_cond_resched+0x38/0x48)
    r4:c787b820 r3:00000001
    [<c0247c6c>] (_cond_resched+0x0/0x48) from [<c0040760>] (put_files_struct+0x94/0xec)
    [<c00406cc>] (put_files_struct+0x0/0xec) from [<c0040864>] (exit_files+0x58/0x5c)
    [<c004080c>] (exit_files+0x0/0x5c) from [<c0040a70>] (do_exit+0x208/0x2d8)
    r5:0000000b r4:c789ba00
    [<c0040868>] (do_exit+0x0/0x2d8) from [<c002d348>] (die+0x114/0x128)
    [<c002d234>] (die+0x0/0x128) from [<c002f0e8>] (__do_kernel_fault+0x6c/0x8c)
    r7:c7a9dca0 r6:c7a01c60 r5:00000817 r4:00000000
    [<c002f07c>] (__do_kernel_fault+0x0/0x8c) from [<c002f23c>] (do_page_fault+0x134/0x14c)
    r8:00000000 r7:c03010c4 r6:c789

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