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SubjectRE: Oops: 17 SMP ARM (v3.16-rc2)
Date
Hi again,

The Oops seems to have been introduced somewhere between v3.12 and v3.13:

- The Oops is reproducible within seconds when running Linux 3.16-rc2.
- We have observed the Oops on 8 different hardware units and two different chipsets (Freescale i.MX6 and Xilinx Zynq).
- The Oops has not been seen on Linux 3.12 so it appears to be good.
- The Oops has been seen on Linux 3.13, 3.14, 3.15, 3.16-rc2 so these appear to be bad.

Configs and a couple of Oops reports are attached.

Best regards,
Mattis Lorentzon

> Hello kernel people,
>
> I have a similar issue with v3.16-rc2 as previously reported by Waldemar
> Brodkorb for v3.15-rc4.
> https://lkml.org/lkml/2014/5/9/330
>
> We are running a benchmark application, sometimes using perf, with heavy
> traffic over NFS.
> The error is sporadic and it seems to occur more frequently when using perf.
>
> Linux imx6-test0 3.16.0-rc2+ #1 SMP Wed Jun 25 15:04:16 CEST 2014 armv7l
> armv7l armv7l GNU/Linux
>
> Any help is greatly appreciated.
>
> Best regards,
> Mattis Lorentzon
>
> Unable to handle kernel paging request at virtual address ffffffff pgd =
> 9e338000 [ffffffff] *pgd=2fffd821, *pte=00000000, *ppte=00000000 Internal
> error: Oops: 17 [#1] SMP ARM Modules linked in:
> CPU: 0 PID: 146 Comm: stereo Not tainted 3.16.0-rc2+ #1
> task: 9e07a700 ti: 81c42000 task.ti: 81c42000 PC is at
> find_get_entry+0x60/0xfc LR is at radix_tree_lookup_slot+0x1c/0x2c
> pc : [<800a34d8>] lr : [<80290448>] psr: a0000013
> sp : 81c43d98 ip : 00000000 fp : 81c43dcc
> r10: 00000001 r9 : 9e30e3c0 r8 : 000002a7
> r7 : 9f3758a0 r6 : 00000000 r5 : 00000001 r4 : 00000000
> r3 : 81c43d84 r2 : 00000000 r1 : 000002a7 r0 : ffffffff
> Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
> Control: 10c5387d Table: 2e33804a DAC: 00000015 Process stereo (pid: 146,
> stack limit = 0x81c42240)
> Stack: (0x81c43d98 to 0x81c44000)
> 3d80: 00000000 00000000
> 3da0: 800a3478 000a6000 81c43ecc 00000000 9f37589c 00000000 806cb02a
> 000002a7
> 3dc0: 81c43e04 81c43dd0 800a406c 800a3484 80061ca0 9fc2dfe0 00000013
> 00000059
> 3de0: 9f37589c 9f375770 00000300 000002a7 9e30e3c0 000002a7 81c43e94
> 81c43e08
> 3e00: 800a50c4 800a4040 00000000 00000000 801d1818 00000000 00001000
> 00080001
> 3e20: 000002a6 9f3757f4 00000300 000a7000 00000000 801d1818 9e30e490
> 9f37567c
> 3e40: 81c43ee8 81c43ed4 00000000 00000000 804d87e0 80067098 00000004
> 9f375770
> 3e60: 81c43e94 81c43e70 801d491c 81c43ee8 9f375770 81c43ed4 9e30e3c0
> 9e07a700
> 3e80: 76907000 00000000 81c43ebc 81c43e98 801d1818 800a4dfc 80061ca0
> 80061b0c
> 3ea0: 9f375770 00200000 00000000 81c43f78 81c43f44 81c43ec0 800e1348
> 801d17b8
> 3ec0: 00100000 81c43ed0 800e1764 76907000 00100000 00000000 000a7000
> 00059000
> 3ee0: 81c43ecc 00000001 9e30e3c0 00000000 00000000 00000000 9e07a700
> 00000000
> 3f00: 00000000 00000000 00200000 00000000 00100000 00000000 00000000
> 00000000
> 3f20: 9e30e3c0 9e30e3c0 76907000 81c43f78 9e30e3c0 00100000 81c43f74
> 81c43f48
> 3f40: 800e1adc 800e12b8 00000000 0027cce0 00200000 00000000 9e30e3c0
> 9e30e3c0
> 3f60: 00100000 76907000 81c43fa4 81c43f78 800e2200 800e1a58 00200000
> 00000000
> 3f80: 0027cce0 00000000 0007cce0 00000003 8000ebc4 81c42000 00000000
> 81c43fa8
> 3fa0: 8000ea00 800e21c8 0027cce0 00000000 00000003 76907000 00100000
> 00000000
> 3fc0: 0027cce0 00000000 0007cce0 00000003 0142b5a0 00000000 00000000
> 00000000
> 3fe0: 00000000 7ec59d94 76dc26ac 76e1762c 60000010 00000003 00000000
> 00000000
> Backtrace:
> [<800a3478>] (find_get_entry) from [<800a406c>]
> (pagecache_get_page+0x38/0x1d8)
> r8:000002a7 r7:806cb02a r6:00000000 r5:9f37589c r4:00000000 [<800a4034>]
> (pagecache_get_page) from [<800a50c4>]
> (generic_file_read_iter+0x2d4/0x750)
> r10:000002a7 r9:9e30e3c0 r8:000002a7 r7:00000300 r6:9f375770 r5:9f37589c
> r4:00000059
> [<800a4df0>] (generic_file_read_iter) from [<801d1818>]
> (nfs_file_read+0x6c/0xa8)
> r10:00000000 r9:76907000 r8:9e07a700 r7:9e30e3c0 r6:81c43ed4 r5:9f375770
> r4:81c43ee8
> [<801d17ac>] (nfs_file_read) from [<800e1348>]
> (new_sync_read+0x9c/0xc4)
> r6:81c43f78 r5:00000000 r4:00200000
> [<800e12ac>] (new_sync_read) from [<800e1adc>] (vfs_read+0x90/0x150)
> r8:00100000 r7:9e30e3c0 r6:81c43f78 r5:76907000 r4:9e30e3c0 [<800e1a4c>]
> (vfs_read) from [<800e2200>] (SyS_read+0x44/0x98)
> r9:76907000 r8:00100000 r7:9e30e3c0 r6:9e30e3c0 r5:00000000 r4:00200000
> [<800e21bc>] (SyS_read) from [<8000ea00>] (ret_fast_syscall+0x0/0x48)
> r9:81c42000 r8:8000ebc4 r7:00000003 r6:0007cce0 r5:00000000 r4:0027cce0
> Code: e1a01008 eb07b3d6 e3500000 0a00001c (e5904000) ---[ end trace
> bebb56a5d6f464ed ]---

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Unable to handle kernel NULL pointer dereference at virtual address 00000037
pgd = 9e6cc000
[00000037] *pgd=2e744831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 246 Comm: top Not tainted 3.13.0+ #12
task: 9e646c00 ti: 97c50000 task.ti: 97c50000
PC is at lookup_fast+0x54/0x318
LR is at mark_held_locks+0x78/0x13c
pc : [<800e2838>] lr : [<8005b028>] psr: a0000013
sp : 97c51d20 ip : 636f7270 fp : 97c51d74
r10: 00000000 r9 : 97c51d98 r8 : 800e330c
r7 : 9e52a015 r6 : 9f402170 r5 : 97c51e60 r4 : 97c51d90
r3 : 9e52a015 r2 : 00000000 r1 : 9f458824 r0 : ffffffff
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c5387d Table: 2e6cc04a DAC: 00000015
Process top (pid: 246, stack limit = 0x97c50240)
Stack: (0x97c51d20 to 0x97c52000)
1d20: 00000003 9f8542e0 9e52a010 97c51e60 97c51e60 9f811c10 97c51d64 ffffffff
1d40: 800e2e70 00000004 60000013 97c51e60 97c51d98 97c51d90 9e52a015 97c50000
1d60: 9e52a016 00000000 97c51ddc 97c51d78 800e330c 800e27f0 8005b2e4 8005b0f8
1d80: 97c50038 97c51d90 800e41d0 8005b2dc 00000002 00000000 800e42d4 800bb7a8
1da0: 7eeb05f0 00000004 9e52a011 8005dbf8 9e646c00 00000041 9e52a010 97c51e60
1dc0: 97c51e60 97c50020 97c50000 00000000 97c51e3c 97c51de0 800e42fc 800e318c
1de0: 97c51df8 00000000 800bb7a8 9e646c00 00000008 00000fe8 00000000 97c51e08
1e00: 8029ebb4 800bb770 9e52a000 00000ff0 80b997f0 00000001 9e52a000 97c51e60
1e20: ffffff9c ffffff9c 97c50000 00000000 97c51e5c 97c51e40 800e49e8 800e42ac
1e40: 9e52a000 00000001 97c51e60 97c51f00 97c51ee4 97c51e60 800e7350 800e49cc
1e60: 9f811c10 9f402170 7eeb05f0 00000004 9e52a011 8005dbf8 9f811c10 9f402170
1e80: 9f8542e0 00000051 00000002 0000004c 00000000 00000000 00000001 00000000
1ea0: 9f827a80 9e4fa000 8062c340 800f6978 800f6c54 800f6b9c 00000010 00000000
1ec0: 97c51f04 7efe06c0 00000001 ffffff9c 7efe073c 97c51f40 97c51efc 97c51ee8
1ee0: 800e7394 800e7300 00000000 9f6ae420 97c51f2c 97c51f00 800dcb6c 800e7384
1f00: 800f6c54 800f695c 97c51f54 7efe06c0 00083633 00000017 000000c3 8000e9c4
1f20: 97c51f3c 97c51f30 800dcbe0 800dcb2c 97c51fa4 97c51f40 800dd2bc 800dcbcc
1f40: 8000e890 9e646c00 00000001 8000e9c4 97c50000 00000000 97c51f84 97c51f68
1f60: 8005b1f8 8005afbc 013bc048 00083633 00000017 000000c3 97c51f94 97c51f88
1f80: 8005b2e4 8005b0f8 00000000 97c51f98 8000e918 013bc048 00000000 97c51fa8
1fa0: 8000e800 800dd2ac 013bc048 00083633 7efe073c 7efe06c0 00000000 7efe073c
1fc0: 013bc048 00083633 00000017 000000c3 00083622 00133fa4 000003c0 7efe06b4
1fe0: 0000000a 7efe0698 000c15dc 000c1558 00000010 7efe073c 00000000 00000000
Backtrace:
[<800e27e4>] (lookup_fast+0x0/0x318) from [<800e330c>] (link_path_walk+0x18c/0x814)
[<800e3180>] (link_path_walk+0x0/0x814) from [<800e42fc>] (path_lookupat+0x5c/0x720)
[<800e42a0>] (path_lookupat+0x0/0x720) from [<800e49e8>] (filename_lookup.isra.55+0x28/0x68)
[<800e49c0>] (filename_lookup.isra.55+0x0/0x68) from [<800e7350>] (user_path_at_empty+0x5c/0x84)
r7:97c51f00 r6:97c51e60 r5:00000001 r4:9e52a000
[<800e72f4>] (user_path_at_empty+0x0/0x84) from [<800e7394>] (user_path_at+0x1c/0x24)
r8:97c51f40 r7:7efe073c r6:ffffff9c r5:00000001 r4:7efe06c0
[<800e7378>] (user_path_at+0x0/0x24) from [<800dcb6c>] (vfs_fstatat+0x4c/0xa0)
[<800dcb20>] (vfs_fstatat+0x0/0xa0) from [<800dcbe0>] (vfs_stat+0x20/0x24)
r8:8000e9c4 r7:000000c3 r6:00000017 r5:00083633 r4:7efe06c0
[<800dcbc0>] (vfs_stat+0x0/0x24) from [<800dd2bc>] (SyS_stat64+0x1c/0x38)
[<800dd2a0>] (SyS_stat64+0x0/0x38) from [<8000e800>] (ret_fast_syscall+0x0/0x48)
r4:013bc048
Code: eb0034a1 e3500000 e50b0038 0a000082 (e5903038)
---[ end trace 5b371848e2866ee2 ]---
NOHZ: local_softirq_pending 100
Unable to handle kernel NULL pointer dereference at virtual address 00000037
pgd = 80004000
[00000037] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.15.0+ #8
task: 9f470000 ti: 9f452000 task.ti: 9f452000
PC is at lookup_fast+0x54/0x338
LR is at trace_hardirqs_on_caller+0x10c/0x1e4
pc : [<800e8e68>] lr : [<80060b94>] psr: a0000113
sp : 9f453b48 ip : ffffffff fp : 9f453b9c
r10: 9f453c78 r9 : 9f453bc0 r8 : 800e9a7c
r7 : 9f504013 r6 : 9f0020b8 r5 : 9f453c78 r4 : 9f453bb8
r3 : 9f504010 r2 : 00000000 r1 : 9f0ba0f4 r0 : ffffffff
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c5387d Table: 1000404a DAC: 00000015
Process swapper/0 (pid: 1, stack limit = 0x9f452240)
Stack: (0x9f453b48 to 0x9f454000)
3b40: 00000003 9f4542e8 00000076 9f453d04 9f504000 9f411b50
3b60: 9f453b8c ffffffff 800e95e0 00000004 800ea668 9f453bc0 00000003 9f453bb8
3b80: 9f504013 9f452000 9f504014 9f453c78 9f453c04 9f453ba0 800e9a7c 800e8e20
3ba0: 9f453bbc 9f453bb0 9f452020 80060a94 9f453c04 9f453bc0 800ea668 80060c78
3bc0: 00000001 00000000 00726176 00000003 9f504010 806993d8 800e0990 9f75c000
3be0: 9f453c78 9f453d04 9f504000 00000000 00000000 9f452000 9f453c6c 9f453c08
3c00: 800ec7a4 800e98fc 9f453c28 00000000 80060a60 9f453cf8 00000000 ffffff9c
3c20: 9f70265e 60000113 00000000 00000000 00000001 00000400 9f438000 81800040
3c40: 9f453c84 9f453d04 00000001 9f504000 ffffff9c 00000007 806787b8 81800040
3c60: 9f453cf4 9f453c70 800edd00 800ec71c 00000041 00000000 9f411b50 9f0020b8
3c80: 00726176 00000003 9f504010 806993d8 00000000 80065f74 9f4542e8 00000051
3ca0: 00000002 00000018 00000000 00000000 00000241 9f438040 00000241 00000241
3cc0: 9f504000 ffffff9c 806787b8 00000007 806787b8 81800040 00000241 9f504000
3ce0: ffffff9c 00000000 9f453d3c 9f453cf8 800de710 800edcd8 80649b3c 806491c8
3d00: 800db8dc 00000241 303081a4 00000022 00000300 00000001 806787b8 806787b8
3d20: 9f70265e 806787b8 00000007 806787b8 9f453d4c 9f453d40 800de7f4 800de608
3d40: 9f453d6c 9f453d50 8064a048 800de7e0 806787b8 806787b8 00005a10 806787b8
3d60: 9f453d8c 9f453d70 8064931c 80649f80 806787b8 00005a10 9f7025f0 00008000
3d80: 9f453db4 9f453d90 80649374 806492ec 9f700000 9f6ae040 00000000 8065fce8
3da0: 80649330 00008000 9f453df4 9f453db8 8065ffb4 8064933c 00000000 00000000
3dc0: 81800040 00008000 9f453df4 00000000 00000000 00bce825 81800040 806787b8
3de0: 806787b8 806bf9d4 9f453e44 9f453df8 80649798 8065fd08 00000000 806bf9d4
3e00: 80649198 806bf9d0 00000000 00000000 804c9744 805e7b88 805beaa0 8067ee90
3e20: 806bf9d0 00000000 806bf9cc 80649d34 80678728 806bf9d0 9f453ebc 9f453e48
3e40: 80649db0 80649620 806a0ca0 80661750 80678728 00000000 9f453e84 9f453e68
3e60: 804c9744 8006a69c 805eee98 9f453e8c ffffffff 9f453e8c 9f453ebc 9f453e98
3e80: 80661858 804c9718 805eee98 00000040 00000040 9f452000 00000005 806bf980
3ea0: 806bf980 80649d34 80678728 00000000 9f453f54 9f453ec0 800089a4 80649d40
3ec0: 9f453ee4 9f453ed0 804d0ea0 9f452000 00000000 806921fc 9f453f24 9f453ee8
3ee0: 9f453f0c 9f453ef0 80647500 8028e40c 80647558 9fffcb2d 804ee974 00000069
3f00: 9f453f54 9f453f10 80040d64 80647564 80678710 00000005 9fffcb41 00000005
3f20: 80644ed0 00000000 9f470000 8067eb44 00000005 806bf980 806bf980 80647558
3f40: 80678728 00000069 9f453f94 9f453f58 80647d00 800088a0 00000005 00000005
3f60: 80647558 00000000 8004a61c 806bf980 804c5848 00000000 00000000 00000000
3f80: 00000000 00000000 9f453fac 9f453f98 804c5860 80647bc8 00000000 00000000
3fa0: 00000000 9f453fb0 8000e9c8 804c5854 00000000 00000000 00000000 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 5a405a7b 0a611b6a
Backtrace:
[<800e8e14>] (lookup_fast) from [<800e9a7c>] (link_path_walk+0x18c/0x804)
r10:9f453c78 r9:9f504014 r8:9f452000 r7:9f504013 r6:9f453bb8 r5:00000003
r4:9f453bc0
[<800e98f0>] (link_path_walk) from [<800ec7a4>] (path_openat+0x94/0x624)
r10:9f452000 r9:00000000 r8:00000000 r7:9f504000 r6:9f453d04 r5:9f453c78
r4:9f75c000
[<800ec710>] (path_openat) from [<800edd00>] (do_filp_open+0x34/0x88)
r10:81800040 r9:806787b8 r8:00000007 r7:ffffff9c r6:9f504000 r5:00000001
r4:9f453d04
[<800edccc>] (do_filp_open) from [<800de710>] (do_sys_open+0x114/0x1d8)
r7:00000000 r6:ffffff9c r5:9f504000 r4:00000241
[<800de5fc>] (do_sys_open) from [<800de7f4>] (SyS_open+0x20/0x24)
r9:806787b8 r8:00000007 r7:806787b8 r6:9f70265e r5:806787b8 r4:806787b8
[<800de7d4>] (SyS_open) from [<8064a048>] (do_name+0xd4/0x230)
[<80649f74>] (do_name) from [<8064931c>] (write_buffer+0x3c/0x50)
r7:806787b8 r6:00005a10 r5:806787b8 r4:806787b8
[<806492e0>] (write_buffer) from [<80649374>] (flush_buffer+0x44/0xa8)
r6:00008000 r5:9f7025f0 r4:00005a10 r3:806787b8
[<80649330>] (flush_buffer) from [<8065ffb4>] (gunzip+0x2b8/0x378)
r9:00008000 r8:80649330 r7:8065fce8 r6:00000000 r5:9f6ae040 r4:9f700000
[<8065fcfc>] (gunzip) from [<80649798>] (unpack_to_rootfs+0x184/0x2a8)
r10:806bf9d4 r9:806787b8 r8:806787b8 r7:81800040 r6:00bce825 r5:00000000
r4:00000000
[<80649614>] (unpack_to_rootfs) from [<80649db0>] (populate_rootfs+0x7c/0x240)
r10:806bf9d0 r9:80678728 r8:80649d34 r7:806bf9cc r6:00000000 r5:806bf9d0
r4:8067ee90
[<80649d34>] (populate_rootfs) from [<800089a4>] (do_one_initcall+0x110/0x160)
r10:00000000 r9:80678728 r8:80649d34 r7:806bf980 r6:806bf980 r5:00000005
r4:9f452000
[<80008894>] (do_one_initcall) from [<80647d00>] (kernel_init_freeable+0x144/0x1e8)
r10:00000069 r9:80678728 r8:80647558 r7:806bf980 r6:806bf980 r5:00000005
r4:8067eb44
[<80647bbc>] (kernel_init_freeable) from [<804c5860>] (kernel_init+0x18/0xf0)
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:804c5848
r4:806bf980
[<804c5848>] (kernel_init) from [<8000e9c8>] (ret_from_fork+0x14/0x2c)
r4:00000000 r3:00000000
Code: eb00361c e3500000 e50b0038 0a00008a (e5903038)
---[ end trace dd723d1d10b06b5b ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

CPU0: stopping
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 3.15.0+ #8
Backtrace:
[<8001219c>] (dump_backtrace) from [<80012478>] (show_stack+0x18/0x1c)
r6:00000000 r5:00000000 r4:8069fe84 r3:00000000
[<80012460>] (show_stack) from [<804cb798>] (dump_stack+0x8c/0x9c)
[<804cb70c>] (dump_stack) from [<80014fa8>] (handle_IPI+0x154/0x164)
r5:8067fffc r4:00000000
[<80014e54>] (handle_IPI) from [<800085c0>] (gic_handle_irq+0x60/0x64)
r6:80683f20 r5:8068aa40 r4:f400010c r3:8068d6e8
[<80008560>] (gic_handle_irq) from [<80012fc4>] (__irq_svc+0x44/0x58)
Exception stack(0x80683f20 to 0x80683f68)
3f20: 8000f5b8 80682000 00000000 00000000 8068a530 80682000 8068a4e0 806bf81e
3f40: 804d40f0 80682000 80682000 80683f74 80683f58 80683f68 80060c80 8000f5bc
3f60: 60000113 ffffffff
r7:80683f54 r6:ffffffff r5:60000113 r4:8000f5bc
[<8000f590>] (arch_cpu_idle) from [<8005c504>] (cpu_startup_entry+0x108/0x160)
[<8005c3fc>] (cpu_startup_entry) from [<804c5838>] (rest_init+0xc8/0xd8)
r7:80678928 r3:00000000
[<804c5770>] (rest_init) from [<80647bb0>] (start_kernel+0x374/0x380)
r5:00000001 r4:8068a5d8
[<8064783c>] (start_kernel) from [<10008074>] (0x10008074)
r9:412fc09a r8:1000406a r7:8068ed84 r6:80678924 r5:8068a4d0 r4:10c5387d
CPU2: stopping
CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 3.15.0+ #8
Backtrace:
[<8001219c>] (dump_backtrace) from [<80012478>] (show_stack+0x18/0x1c)
r6:00000000 r5:00000000 r4:8069fe84 r3:00000000
[<80012460>] (show_stack) from [<804cb798>] (dump_stack+0x8c/0x9c)
[<804cb70c>] (dump_stack) from [<80014fa8>] (handle_IPI+0x154/0x164)
r5:8067fffc r4:00000002
[<80014e54>] (handle_IPI) from [<800085c0>] (gic_handle_irq+0x60/0x64)
r6:9f49bf70 r5:8068aa40 r4:f400010c r3:9f476180
[<80008560>] (gic_handle_irq) from [<80012fc4>] (__irq_svc+0x44/0x58)
Exception stack(0x9f49bf70 to 0x9f49bfb8)
bf60: 8000f5b8 9f49a000 00000000 00000000
bf80: 8068a530 9f49a000 8068a4e0 806bf81e 804d40f0 9f49a000 9f49a000 9f49bfc4
bfa0: 9f49bfa8 9f49bfb8 80060c80 8000f5bc 60000113 ffffffff
r7:9f49bfa4 r6:ffffffff r5:60000113 r4:8000f5bc
[<8000f590>] (arch_cpu_idle) from [<8005c504>] (cpu_startup_entry+0x108/0x160)
[<8005c3fc>] (cpu_startup_entry) from [<80014bf8>] (secondary_start_kernel+0x140/0x148)
r7:806bfc88 r3:9f476180
[<80014ab8>] (secondary_start_kernel) from [<10008664>] (0x10008664)
r5:00000015 r4:2f48806a
CPU3: stopping
CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 3.15.0+ #8
Backtrace:
[<8001219c>] (dump_backtrace) from [<80012478>] (show_stack+0x18/0x1c)
r6:00000000 r5:00000000 r4:8069fe84 r3:00000000
[<80012460>] (show_stack) from [<804cb798>] (dump_stack+0x8c/0x9c)
[<804cb70c>] (dump_stack) from [<80014fa8>] (handle_IPI+0x154/0x164)
r5:8067fffc r4:00000003
[<80014e54>] (handle_IPI) from [<800085c0>] (gic_handle_irq+0x60/0x64)
r6:9f49df70 r5:8068aa40 r4:f400010c r3:9f476b40
[<80008560>] (gic_handle_irq) from [<80012fc4>] (__irq_svc+0x44/0x58)
Exception stack(0x9f49df70 to 0x9f49dfb8)
df60: 8000f5b8 9f49c000 00000000 00000000
df80: 8068a530 9f49c000 8068a4e0 806bf81e 804d40f0 9f49c000 9f49c000 9f49dfc4
dfa0: 9f49dfa8 9f49dfb8 80060c80 8000f5bc 60000113 ffffffff
r7:9f49dfa4 r6:ffffffff r5:60000113 r4:8000f5bc
[<8000f590>] (arch_cpu_idle) from [<8005c504>] (cpu_startup_entry+0x108/0x160)
[<8005c3fc>] (cpu_startup_entry) from [<80014bf8>] (secondary_start_kernel+0x140/0x148)
r7:806bfc88 r3:9f476b40
[<80014ab8>] (secondary_start_kernel) from [<10008664>] (0x10008664)
r5:00000015 r4:2f48806a
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b[unhandled content-type:application/x-gzip][unhandled content-type:application/x-gzip][unhandled content-type:application/x-gzip][unhandled content-type:application/x-gzip]
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