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    SubjectRe: 2.6.25-git2: BUG: unable to handle kernel paging request at ffffffffffffffff
    2008/4/22, Linus Torvalds <torvalds@linux-foundation.org>:
    >
    >
    > On Tue, 22 Apr 2008, Zdenek Kabelac wrote:
    > >
    > > Unsure how it is related to my orginal Oops post - but now when I've
    > > debug pagealloc enabled this appeared in my log after resume - should
    > > I open new bug for this - or could this be part of the problem I've
    > > experienced later?
    > >
    > > (Note - now I'm running commit: 8a81f2738f10ca817c975cec893aa58497e873b2
    > >
    > > sd 0:0:0:0: [sda] Starting disk
    > > mmc0: new SD card at address 5a61
    > > mmc mmc0:5a61: parent mmc0 is sleeping, will not add
    > > ------------[ cut here ]------------
    > > WARNING: at drivers/base/power/main.c:78 device_pm_add+0x6c/0xf0()
    >
    >
    > This is unrelated to the other issue, I think.
    >

    Hi

    This time I've got slightly larger mess with some other oopses - I'm
    not sure if they are just a consequence of the PM bad commit - or they
    are a separate issue ?

    Is there actually some patch I should test from those posted in the list ?

    Here goes the oops log:

    (SPIN LOCK already disabled is my personal trace ooops which is just
    checking if the spin_lock_irq is already called with disabled irq - in
    this place probably irqsave version should be used instead, otherwice
    it's not properly restored)

    PM: Syncing filesystems ... done.
    Freezing user space processes ... (elapsed 0.46 seconds) done.
    Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
    Suspending console(s)
    drm_sysfs_suspend
    ACPI: PCI interrupt for device 0000:00:02.0 disabled
    sd 0:0:0:0: [sda] Synchronizing SCSI cache
    sd 0:0:0:0: [sda] Stopping disk
    mmc0: card 5a61 removed
    MMC: killing requests for dead queue
    ACPI: PCI interrupt for device 0000:15:00.2 disabled
    ACPI: PCI interrupt for device 0000:00:1f.1 disabled
    ACPI: PCI interrupt for device 0000:00:1d.7 disabled
    ACPI: PCI interrupt for device 0000:00:1d.2 disabled
    ACPI: PCI interrupt for device 0000:00:1d.1 disabled
    ACPI: PCI interrupt for device 0000:00:1d.0 disabled
    ACPI: PCI interrupt for device 0000:00:1b.0 disabled
    ACPI: PCI interrupt for device 0000:00:1a.7 disabled
    ACPI: PCI interrupt for device 0000:00:1a.1 disabled
    ACPI: PCI interrupt for device 0000:00:1a.0 disabled
    ACPI: PCI interrupt for device 0000:00:19.0 disabled
    ACPI: Preparing to enter system sleep state S3
    Disabling non-boot CPUs ...
    kvm: disabling virtualization on CPU1
    CPU 1 is now offline
    lockdep: fixing up alternatives.
    SMP alternatives: switching to UP code
    CPU1 is down
    Extended CMOS year: 2000
    hwsleep-0322 [00] enter_sleep_state : Entering sleep state [S3]
    x86: PAT support disabled.
    Extended CMOS year: 2000
    Enabling non-boot CPUs ...
    lockdep: fixing up alternatives.
    SMP alternatives: switching to SMP code
    Booting processor 1/1 ip 6000
    Initializing CPU#1
    Calibrating delay using timer specific routine.. 4390.79 BogoMIPS (lpj=7314872)
    CPU: L1 I cache: 32K, L1 D cache: 32K
    CPU: L2 cache: 4096K
    CPU: Physical Processor ID: 0
    CPU: Processor Core ID: 1
    x86: PAT support disabled.
    SPIN IRQ ALREADY DISABLED
    Pid: 0, comm: swapper Not tainted 2.6.25 #57

    Call Trace:
    [_spin_lock_irq+126/128] _spin_lock_irq+0x7e/0x80
    [lock_ipi_call_lock+16/32] lock_ipi_call_lock+0x10/0x20
    CPU1: Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz
    [start_secondary+68/206] start_secondary+0x44/0xce
    stepping 0a

    kvm: enabling virtualization on CPU1
    CPU1 is up
    ACPI: EC: missing OBF confirmation, don't expect it any longer.
    ACPI: EC: missing write data confirmation, don't expect it any longer.
    ACPI: \_SB_.GDCK - docking
    ACPI: PCI Interrupt 0000:00:19.0[A] -> GSI 20 (level, low) -> IRQ 20
    ACPI: PCI Interrupt 0000:00:1a.0[A] -> GSI 20 (level, low) -> IRQ 20
    usb usb3: root hub lost power or was reset
    ACPI: PCI Interrupt 0000:00:1a.1[B] -> GSI 21 (level, low) -> IRQ 21
    usb usb4: root hub lost power or was reset
    ACPI: PCI Interrupt 0000:00:1a.7[C] -> GSI 22 (level, low) -> IRQ 22
    ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level, low) -> IRQ 17
    ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 16
    usb usb5: root hub lost power or was reset
    ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 17 (level, low) -> IRQ 17
    usb usb6: root hub lost power or was reset
    ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
    usb usb7: root hub lost power or was reset
    ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 19 (level, low) -> IRQ 19
    ACPI: PCI Interrupt 0000:00:1f.1[C] -> GSI 16 (level, low) -> IRQ 16
    ata4.00: ACPI cmd ef/03:42:00:00:00:a0 filtered out
    ata4.00: ACPI cmd ef/03:0c:00:00:00:a0 filtered out
    ata4.00: configured for UDMA/33
    ACPI: PCI Interrupt 0000:15:00.2[C] -> GSI 18 (level, low) -> IRQ 18
    sd 0:0:0:0: [sda] Starting disk
    mmc0: new SD card at address 5a61
    mmc mmc0:5a61: parent mmc0 is sleeping, will not add
    ------------[ cut here ]------------
    WARNING: at drivers/base/power/main.c:78 device_pm_add+0x6c/0xf0()
    Modules linked in: nls_iso8859_2 nls_cp852 vfat fat i915 drm
    ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state
    nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables
    bridge llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc
    binfmt_misc dm_mirror dm_log dm_multipath dm_mod uinput kvm_intel kvm
    snd_hda_intel snd_seq_oss arc4 snd_seq_midi_event ecb snd_seq
    crypto_blkcipher cryptomgr snd_seq_device crypto_algapi snd_pcm_oss
    iwl3945 snd_mixer_oss snd_pcm mac80211 video thinkpad_acpi psmouse
    snd_timer backlight i2c_i801 rtc_cmos snd rtc_core iTCO_wdt evdev
    i2c_core cfg80211 soundcore nvram snd_page_alloc e1000e output
    mmc_block serio_raw rtc_lib iTCO_vendor_support sdhci mmc_core ac
    battery intel_agp button uhci_hcd ohci_hcd ehci_hcd usbcore [last
    unloaded: microcode]
    Pid: 1090, comm: kmmcd Not tainted 2.6.25 #57

    Call Trace:
    [warn_on_slowpath+95/144] warn_on_slowpath+0x5f/0x90
    [device_pm_add+24/240] ? device_pm_add+0x18/0xf0
    [device_pm_add+108/240] device_pm_add+0x6c/0xf0
    [device_add+1092/1376] device_add+0x444/0x560
    [_end+509508458/2109230024] :mmc_core:mmc_add_card+0xa2/0x140
    [_end+509515815/2109230024] :mmc_core:mmc_attach_sd+0x17f/0x860
    [_end+509507064/2109230024] ? :mmc_core:mmc_rescan+0x0/0x1c0
    [_end+509507433/2109230024] :mmc_core:mmc_rescan+0x171/0x1c0
    [run_workqueue+246/560] run_workqueue+0xf6/0x230
    [worker_thread+167/288] worker_thread+0xa7/0x120
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [worker_thread+0/288] ? worker_thread+0x0/0x120
    [kthread+73/144] kthread+0x49/0x90
    [child_rip+10/18] child_rip+0xa/0x12
    [restore_args+0/48] ? restore_args+0x0/0x30
    [kthread+0/144] ? kthread+0x0/0x90
    [child_rip+0/18] ? child_rip+0x0/0x12

    ---[ end trace ca143223eefdc828 ]---
    BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
    IP: [klist_del+29/128] klist_del+0x1d/0x80
    PGD 0
    Oops: 0000 [1] PREEMPT SMP DEBUG_PAGEALLOC
    CPU 0
    Modules linked in: nls_iso8859_2 nls_cp852 vfat fat i915 drm
    ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state
    nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables
    bridge llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc
    binfmt_misc dm_mirror dm_log dm_multipath dm_mod uinput kvm_intel kvm
    snd_hda_intel snd_seq_oss arc4 snd_seq_midi_event ecb snd_seq
    crypto_blkcipher cryptomgr snd_seq_device crypto_algapi snd_pcm_oss
    iwl3945 snd_mixer_oss snd_pcm mac80211 video thinkpad_acpi psmouse
    snd_timer backlight i2c_i801 rtc_cmos snd rtc_core iTCO_wdt evdev
    i2c_core cfg80211 soundcore nvram snd_page_alloc e1000e output
    mmc_block serio_raw rtc_lib iTCO_vendor_support sdhci mmc_core ac
    battery intel_agp button uhci_hcd ohci_hcd ehci_hcd usbcore [last
    unloaded: microcode]
    Pid: 1090, comm: kmmcd Not tainted 2.6.25 #57
    RIP: 0010:[klist_del+29/128] [klist_del+29/128] klist_del+0x1d/0x80
    RSP: 0000:ffff81007c4f5d00 EFLAGS: 00010286
    RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
    RDX: 0000000000000008 RSI: ffffffffa006f308 RDI: 0000000000000000
    RBP: ffff81007c4f5d20 R08: 0000000000000001 R09: 0000000000000000
    R10: 0000000000000001 R11: ffff8100712cbc78 R12: ffff81007126aaa8
    R13: ffffffffa006f260 R14: ffff81007c4f5df0 R15: ffff81007126ab20
    FS: 0000000000000000(0000) GS:ffffffff8148c000(0000) knlGS:0000000000000000
    CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
    CR2: 0000000000000050 CR3: 0000000001001000 CR4: 00000000000026e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process kmmcd (pid: 1090, threadinfo ffff81007c4f4000, task ffff81007c028000)
    Stack: ffff81007c4f5d10 0000000000000050 ffff81007126a970 ffffffffa006f260
    ffff81007c4f5d50 ffffffff812012fe ffff81007c4f5d50 ffff81007126a970
    00000000fffffff0 ffff81007126ab68 ffff81007c4f5db0 ffffffff8120016e
    Call Trace:
    [bus_remove_device+158/208] bus_remove_device+0x9e/0xd0
    [device_add+1358/1376] device_add+0x54e/0x560
    [_end+509508458/2109230024] :mmc_core:mmc_add_card+0xa2/0x140
    [_end+509515815/2109230024] :mmc_core:mmc_attach_sd+0x17f/0x860
    [_end+509507064/2109230024] ? :mmc_core:mmc_rescan+0x0/0x1c0
    [_end+509507433/2109230024] :mmc_core:mmc_rescan+0x171/0x1c0
    [run_workqueue+246/560] run_workqueue+0xf6/0x230
    [worker_thread+167/288] worker_thread+0xa7/0x120
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [worker_thread+0/288] ? worker_thread+0x0/0x120
    [kthread+73/144] kthread+0x49/0x90
    [child_rip+10/18] child_rip+0xa/0x12
    [restore_args+0/48] ? restore_args+0x0/0x30
    [kthread+0/144] ? kthread+0x0/0x90
    [child_rip+0/18] ? child_rip+0x0/0x12


    Code: 8b 28 41 0f 95 c7 eb 87 66 0f 1f 44 00 00 55 48 89 e5 48 83 ec
    20 4c 89 65 f0 48 89 5d e8 4c 89 6d f8 49 89 fc 48 8b 1f 48 89 df <4c>
    8b 6b 50 e8 9a 40 01 00 49 8d 7c 24 18 48 c7 c6 20 a4 2d 81
    RIP [klist_del+29/128] klist_del+0x1d/0x80
    RSP <ffff81007c4f5d00>
    CR2: 0000000000000050
    ---[ end trace ca143223eefdc828 ]---
    ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
    ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out
    ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out
    ata1.00: configured for UDMA/100
    ata1.00: configured for UDMA/100
    ata1: EH complete
    sd 0:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
    sd 0:0:0:0: [sda] Write Protect is off
    sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
    support DPO or FUA
    sd 0:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
    sd 0:0:0:0: [sda] Write Protect is off
    sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
    support DPO or FUA
    ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
    Restarting tasks ... <6>usb 3-2: USB disconnect, address 2

    Apr 23 10:25:37 localhost hald[2469]: forcibly attempting to lazy
    unmount /dev/mmcblk0p1 as enclosing drive was disconnected
    Apr 23 10:25:37 localhost gnome-power-manager: (kabi) Probuzení počítače
    Apr 23 10:25:37 localhost kernel: [19631.081098] done.
    Apr 23 10:25:38 localhost hald: unmounted /dev/mmcblk0p1 from
    '/media/disk' on behalf of uid 0

    input: Virtual ThinkFinger Keyboard as /devices/virtual/input/input17
    usb 1-4: new high speed USB device using ehci_hcd and address 4
    usb 1-4: configuration #1 chosen from 1 choice
    hub 1-4:1.0: USB hub found
    hub 1-4:1.0: 4 ports detected
    usb 1-4: New USB device found, idVendor=04b3, idProduct=4485
    usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    usb 3-2: new full speed USB device using uhci_hcd and address 3

    Apr 23:25:38 localhost console-kit-daemon[2472]: WARNING: Couldn't
    read /proc/16639/environ: Failed to open file '/proc/16639/environ':
    No such file or directory
    usb 3-2: configuration #1 chosen from 1 choice
    usb 3-2: New USB device found, idVendor=0483, idProduct=2016
    usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
    usb 3-2: Product: Biometric Coprocessor
    usb 3-2: Manufacturer: STMicroelectronics
    ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level, low) -> IRQ 17
    =============================================================================
    BUG kmalloc-4096: Padding overwritten. 0x0000000000000000-0x00000000ffffffff
    -----------------------------------------------------------------------------

    INFO: Slab 0xffffe20000c09c00 used=7 fp=0x0000000000000000 flags=0x2200000004083
    Pid: 2621, comm: NetworkManager Tainted: G D 2.6.25 #57

    Call Trace:
    [slab_err+167/192] slab_err+0xa7/0xc0
    [__free_pages_ok+420/1216] ? __free_pages_ok+0x1a4/0x4c0
    [kernel_map_pages+168/368] ? kernel_map_pages+0xa8/0x170
    [add_partial+33/112] ? add_partial+0x21/0x70
    [slab_pad_check+287/368] slab_pad_check+0x11f/0x170
    [check_slab+34/112] check_slab+0x22/0x70
    [__slab_free+458/944] __slab_free+0x1ca/0x3b0
    [skb_release_data+133/208] ? skb_release_data+0x85/0xd0
    [kfree+180/304] kfree+0xb4/0x130
    [skb_release_data+133/208] ? skb_release_data+0x85/0xd0
    [skb_release_data+133/208] skb_release_data+0x85/0xd0
    [skb_release_all+158/240] skb_release_all+0x9e/0xf0
    [__kfree_skb+17/160] __kfree_skb+0x11/0xa0
    [_end+510662350/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x306/0x940
    [kfree_skb+23/64] kfree_skb+0x17/0x40
    [_end+510638598/2109230024] :iwl3945:iwl3945_rx_queue_reset+0xae/0x130
    [_end+510662510/2109230024] :iwl3945:iwl3945_hw_nic_init+0x3a6/0x940
    [_end+510613961/2109230024] :iwl3945:__iwl3945_up+0x91/0x640
    [_end+510616880/2109230024] :iwl3945:iwl3945_mac_start+0x568/0x790
    [lock_hrtimer_base+44/96] ? lock_hrtimer_base+0x2c/0x60
    [rb_insert_color+265/320] ? rb_insert_color+0x109/0x140
    [_end+510327174/2109230024] :mac80211:ieee80211_open+0x13e/0x590
    [dev_set_rx_mode+72/96] ? dev_set_rx_mode+0x48/0x60
    [dev_open+121/176] dev_open+0x79/0xb0
    [dev_change_flags+153/464] dev_change_flags+0x99/0x1d0
    [do_setlink+524/928] do_setlink+0x20c/0x3a0
    [_read_unlock+48/96] ? _read_unlock+0x30/0x60
    [rtnl_setlink+269/336] rtnl_setlink+0x10d/0x150
    [rtnetlink_rcv_msg+397/576] rtnetlink_rcv_msg+0x18d/0x240
    [rtnetlink_rcv_msg+0/576] ? rtnetlink_rcv_msg+0x0/0x240
    [netlink_rcv_skb+137/176] netlink_rcv_skb+0x89/0xb0
    [rtnetlink_rcv+41/64] rtnetlink_rcv+0x29/0x40
    [netlink_unicast+709/736] netlink_unicast+0x2c5/0x2e0
    [__alloc_skb+110/336] ? __alloc_skb+0x6e/0x150
    [netlink_sendmsg+498/752] netlink_sendmsg+0x1f2/0x2f0
    [_read_unlock+78/96] ? _read_unlock+0x4e/0x60
    [sock_sendmsg+295/320] sock_sendmsg+0x127/0x140
    [sock_recvmsg+313/336] ? sock_recvmsg+0x139/0x150
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [move_addr_to_kernel+87/96] ? move_addr_to_kernel+0x57/0x60
    [verify_iovec+60/208] ? verify_iovec+0x3c/0xd0
    [sys_sendmsg+393/800] sys_sendmsg+0x189/0x320
    [sys_sendto+253/288] ? sys_sendto+0xfd/0x120
    [trace_hardirqs_on_thunk+53/58] ? trace_hardirqs_on_thunk+0x35/0x3a
    [system_call_after_swapgs+123/128] system_call_after_swapgs+0x7b/0x80

    Padding 0xffff8100201a0000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    6b 6b 6b kkkkkkkkkkkkkkkk
    Padding 0xffff8100201a0010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    6b 6b 6b kkkkkkkkkkkkkkkk
    Padding 0xffff8100201a0020: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    6b 6b 6b kkkkkkkkkkkkkkkk
    ........... a lots of these .......
    Padding 0xffff8100201a7190: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    6b 6b 6b kkkkkkkkkkkkkkkk
    Padding 0xffff8100201a71a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
    6b 6b a5 kkkkkkkkkkkkkkk¥
    Padding 0xffff8100201a71b0: cc cc cc cc cc cc cc cc 00 00 1a 20 00
    81 ff ff ÌÌÌÌÌÌÌÌ......ÿÿ
    Padding 0xffff8100201a71c0: cd 70 17 a0 ff ff ff ff 00 00 00 00 73
    05 00 00 Íp..ÿÿÿÿ....s...
    Padding 0xffff8100201a71d0: b6 54 58 00 01 00 00 00 d5 71 26 81 ff
    ff ff ff ¶TX.....Õq&.ÿÿÿÿ
    Padding 0xffff8100201a71e0: 00 00 00 00 7c 05 00 00 97 54 58 00 01
    00 00 00 ....|....TX.....
    Padding 0xffff8100201a71f0: 5a 5a 5a 5a 5a 5a 5a 5a
    ZZZZZZZZ
    FIX kmalloc-4096: Restoring 0xffff8100201a0000-0xffff8100201a7e16=0x5a

    =============================================================================
    BUG kmalloc-4096: Redzone overwritten
    -----------------------------------------------------------------------------

    INFO: 0xffff8100201a2048-0xffff8100201a204f. First byte 0x5a instead of 0xcc
    INFO: Allocated in 0x5a5a5a5a5a5a5a5a age=11936128522583413382
    cpu=1515870810 pid=1515870810
    INFO: Freed in 0x5a5a5a5a5a5a5a5a age=11936128522583413382
    cpu=1515870810 pid=1515870810
    INFO: Slab 0xffffe20000c09c00 used=7 fp=0x0000000000000000 flags=0x2200000004083
    INFO: Object 0xffff8100201a1048 @offset=4168 fp=0x5a5a5a5a5a5a5a5a

    Bytes b4 0xffff8100201a1038: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a1048: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a1058: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a1068: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a1078: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a1088: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a1098: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a10a8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Object 0xffff8100201a10b8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
    5a 5a 5a ZZZZZZZZZZZZZZZZ
    Redzone 0xffff8100201a2048: 5a 5a 5a 5a 5a 5a 5a 5a
    ZZZZZZZZ
    Padding 0xffff8100201a2088: 5a 5a 5a 5a 5a 5a 5a 5a
    ZZZZZZZZ
    Pid: 2621, comm: NetworkManager Tainted: G D 2.6.25 #57

    Call Trace:
    [print_trailer+330/448] print_trailer+0x14a/0x1c0
    [check_bytes_and_report+293/384] check_bytes_and_report+0x125/0x180
    [check_object+102/624] check_object+0x66/0x270
    [__slab_free+683/944] __slab_free+0x2ab/0x3b0
    [skb_release_data+133/208] ? skb_release_data+0x85/0xd0
    [kfree+180/304] kfree+0xb4/0x130
    [skb_release_data+133/208] ? skb_release_data+0x85/0xd0
    [skb_release_data+133/208] skb_release_data+0x85/0xd0
    [skb_release_all+158/240] skb_release_all+0x9e/0xf0
    [__kfree_skb+17/160] __kfree_skb+0x11/0xa0
    [_end+510662350/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x306/0x940
    [kfree_skb+23/64] kfree_skb+0x17/0x40
    [_end+510638598/2109230024] :iwl3945:iwl3945_rx_queue_reset+0xae/0x130
    [_end+510662510/2109230024] :iwl3945:iwl3945_hw_nic_init+0x3a6/0x940
    [_end+510613961/2109230024] :iwl3945:__iwl3945_up+0x91/0x640
    [_end+510616880/2109230024] :iwl3945:iwl3945_mac_start+0x568/0x790
    [lock_hrtimer_base+44/96] ? lock_hrtimer_base+0x2c/0x60
    [rb_insert_color+265/320] ? rb_insert_color+0x109/0x140
    [_end+510327174/2109230024] :mac80211:ieee80211_open+0x13e/0x590
    [dev_set_rx_mode+72/96] ? dev_set_rx_mode+0x48/0x60
    [dev_open+121/176] dev_open+0x79/0xb0
    [dev_change_flags+153/464] dev_change_flags+0x99/0x1d0
    [do_setlink+524/928] do_setlink+0x20c/0x3a0
    [_read_unlock+48/96] ? _read_unlock+0x30/0x60
    [rtnl_setlink+269/336] rtnl_setlink+0x10d/0x150
    [rtnetlink_rcv_msg+397/576] rtnetlink_rcv_msg+0x18d/0x240
    [rtnetlink_rcv_msg+0/576] ? rtnetlink_rcv_msg+0x0/0x240
    [netlink_rcv_skb+137/176] netlink_rcv_skb+0x89/0xb0
    [rtnetlink_rcv+41/64] rtnetlink_rcv+0x29/0x40
    [netlink_unicast+709/736] netlink_unicast+0x2c5/0x2e0
    [__alloc_skb+110/336] ? __alloc_skb+0x6e/0x150
    [netlink_sendmsg+498/752] netlink_sendmsg+0x1f2/0x2f0
    [_read_unlock+78/96] ? _read_unlock+0x4e/0x60
    [sock_sendmsg+295/320] sock_sendmsg+0x127/0x140
    [sock_recvmsg+313/336] ? sock_recvmsg+0x139/0x150
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [move_addr_to_kernel+87/96] ? move_addr_to_kernel+0x57/0x60
    [verify_iovec+60/208] ? verify_iovec+0x3c/0xd0
    [sys_sendmsg+393/800] sys_sendmsg+0x189/0x320
    [sys_sendto+253/288] ? sys_sendto+0xfd/0x120
    [trace_hardirqs_on_thunk+53/58] ? trace_hardirqs_on_thunk+0x35/0x3a
    [system_call_after_swapgs+123/128] system_call_after_swapgs+0x7b/0x80

    FIX kmalloc-4096: Restoring 0xffff8100201a2048-0xffff8100201a204f=0xcc

    general protection fault: 0000 [2] PREEMPT SMP DEBUG_PAGEALLOC
    CPU 1
    Modules linked in: nls_iso8859_2 nls_cp852 vfat fat i915 drm
    ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state
    nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables
    bridge llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc
    binfmt_misc dm_mirror dm_log dm_multipath dm_mod uinput kvm_intel kvm
    snd_hda_intel snd_seq_oss arc4 snd_seq_midi_event ecb snd_seq
    crypto_blkcipher cryptomgr snd_seq_device crypto_algapi snd_pcm_oss
    iwl3945 snd_mixer_oss snd_pcm mac80211 video thinkpad_acpi psmouse
    snd_timer backlight i2c_i801 rtc_cmos snd rtc_core iTCO_wdt evdev
    i2c_core cfg80211 soundcore nvram snd_page_alloc e1000e output
    mmc_block serio_raw rtc_lib iTCO_vendor_support sdhci mmc_core ac
    battery intel_agp button uhci_hcd ohci_hcd ehci_hcd usbcore [last
    unloaded: microcode]
    Pid: 2621, comm: NetworkManager Tainted: G D 2.6.25 #57
    RIP: 0010:[put_page+14/256] [put_page+14/256] put_page+0xe/0x100
    RSP: 0018:ffff81007c3bb5f8 EFLAGS: 00010046
    RAX: 0000000000000000 RBX: 5a5a5a5a5a5a5a5a RCX: 0000000000000000
    RDX: ffff8100201a5d28 RSI: 00000000201a516c RDI: 5a5a5a5a5a5a5a5a
    RBP: ffff81007c3bb618 R08: ffff81007d355bd0 R09: ffff81006a96b0d8
    R10: ffffe200027f8820 R11: ffff81006a96b000 R12: ffff81006a96b3c0
    R13: ffff81007d352ba0 R14: ffff81007d351f00 R15: ffff81007d355bd0
    FS: 00007f59fb63e780(0000) GS:ffff81007e02e190(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: 0000003a6cf6ade0 CR3: 0000000073960000 CR4: 00000000000026a0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process NetworkManager (pid: 2621, threadinfo ffff81007c3ba000, task
    ffff81007245c000)
    Stack: 0000000000000001 ffff81006a96b3c0 ffff81007d352ba0 ffff81007d351f00
    ffff81007c3bb638 ffffffff812671fb ffff81006a96b3c0 00000000000000b1
    ffff81007c3bb658 ffffffff81267bee ffff81007d351f00 ffff81006a96b3c0
    Call Trace:
    [skb_release_data+171/208] skb_release_data+0xab/0xd0
    [skb_release_all+158/240] skb_release_all+0x9e/0xf0
    [__kfree_skb+17/160] __kfree_skb+0x11/0xa0
    [_end+510662350/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x306/0x940
    [kfree_skb+23/64] kfree_skb+0x17/0x40
    [_end+510638598/2109230024] :iwl3945:iwl3945_rx_queue_reset+0xae/0x130
    [_end+510662510/2109230024] :iwl3945:iwl3945_hw_nic_init+0x3a6/0x940
    [_end+510613961/2109230024] :iwl3945:__iwl3945_up+0x91/0x640
    [_end+510616880/2109230024] :iwl3945:iwl3945_mac_start+0x568/0x790
    [lock_hrtimer_base+44/96] ? lock_hrtimer_base+0x2c/0x60
    [rb_insert_color+265/320] ? rb_insert_color+0x109/0x140
    [_end+510327174/2109230024] :mac80211:ieee80211_open+0x13e/0x590
    [dev_set_rx_mode+72/96] ? dev_set_rx_mode+0x48/0x60
    [dev_open+121/176] dev_open+0x79/0xb0
    [dev_change_flags+153/464] dev_change_flags+0x99/0x1d0
    [do_setlink+524/928] do_setlink+0x20c/0x3a0
    [_read_unlock+48/96] ? _read_unlock+0x30/0x60
    [rtnl_setlink+269/336] rtnl_setlink+0x10d/0x150
    [rtnetlink_rcv_msg+397/576] rtnetlink_rcv_msg+0x18d/0x240
    [rtnetlink_rcv_msg+0/576] ? rtnetlink_rcv_msg+0x0/0x240
    [netlink_rcv_skb+137/176] netlink_rcv_skb+0x89/0xb0
    [rtnetlink_rcv+41/64] rtnetlink_rcv+0x29/0x40
    [netlink_unicast+709/736] netlink_unicast+0x2c5/0x2e0
    [__alloc_skb+110/336] ? __alloc_skb+0x6e/0x150
    [netlink_sendmsg+498/752] netlink_sendmsg+0x1f2/0x2f0
    [_read_unlock+78/96] ? _read_unlock+0x4e/0x60
    [sock_sendmsg+295/320] sock_sendmsg+0x127/0x140
    [sock_recvmsg+313/336] ? sock_recvmsg+0x139/0x150
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [move_addr_to_kernel+87/96] ? move_addr_to_kernel+0x57/0x60
    [verify_iovec+60/208] ? verify_iovec+0x3c/0xd0
    [sys_sendmsg+393/800] sys_sendmsg+0x189/0x320
    [sys_sendto+253/288] ? sys_sendto+0xfd/0x120
    [trace_hardirqs_on_thunk+53/58] ? trace_hardirqs_on_thunk+0x35/0x3a
    [system_call_after_swapgs+123/128] system_call_after_swapgs+0x7b/0x80


    Code: ff 41 54 9d eb e4 48 8b 47 10 0f 1f 00 e9 62 ff ff ff 66 66 2e
    0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb <48>
    8b 07 f6 c4 40 75 26 8b 4f 08 85 c9 75 0b 0f 0b eb fe 0f 1f
    RIP [put_page+14/256] put_page+0xe/0x100
    RSP <ffff81007c3bb5f8>
    ---[ end trace ca143223eefdc828 ]---
    SPIN IRQ ALREADY DISABLED
    Pid: 2621, comm: NetworkManager Tainted: G D 2.6.25 #57

    Call Trace:
    [_spin_lock_irq+126/128] _spin_lock_irq+0x7e/0x80
    [exit_signals+85/304] exit_signals+0x55/0x130
    [do_exit+133/2192] do_exit+0x85/0x890
    [rotate_reclaimable_page+211/240] ? rotate_reclaimable_page+0xd3/0xf0
    [do_unblank_screen+29/368] ? do_unblank_screen+0x1d/0x170
    [oops_end+136/144] oops_end+0x88/0x90
    [die+94/144] die+0x5e/0x90
    [do_general_protection+344/368] do_general_protection+0x158/0x170
    [error_exit+0/169] error_exit+0x0/0xa9
    [put_page+14/256] ? put_page+0xe/0x100
    [skb_release_data+171/208] ? skb_release_data+0xab/0xd0
    [skb_release_all+158/240] ? skb_release_all+0x9e/0xf0
    [__kfree_skb+17/160] ? __kfree_skb+0x11/0xa0
    [_end+510662350/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x306/0x940
    [kfree_skb+23/64] ? kfree_skb+0x17/0x40
    [_end+510638598/2109230024] ? :iwl3945:iwl3945_rx_queue_reset+0xae/0x130
    [_end+510662510/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x3a6/0x940
    [_end+510613961/2109230024] ? :iwl3945:__iwl3945_up+0x91/0x640
    [_end+510616880/2109230024] ? :iwl3945:iwl3945_mac_start+0x568/0x790
    [lock_hrtimer_base+44/96] ? lock_hrtimer_base+0x2c/0x60
    [rb_insert_color+265/320] ? rb_insert_color+0x109/0x140
    [_end+510327174/2109230024] ? :mac80211:ieee80211_open+0x13e/0x590
    [dev_set_rx_mode+72/96] ? dev_set_rx_mode+0x48/0x60
    [dev_open+121/176] ? dev_open+0x79/0xb0
    [dev_change_flags+153/464] ? dev_change_flags+0x99/0x1d0
    [do_setlink+524/928] ? do_setlink+0x20c/0x3a0
    [_read_unlock+48/96] ? _read_unlock+0x30/0x60
    [rtnl_setlink+269/336] ? rtnl_setlink+0x10d/0x150
    [rtnetlink_rcv_msg+397/576] ? rtnetlink_rcv_msg+0x18d/0x240
    [rtnetlink_rcv_msg+0/576] ? rtnetlink_rcv_msg+0x0/0x240
    [netlink_rcv_skb+137/176] ? netlink_rcv_skb+0x89/0xb0
    [rtnetlink_rcv+41/64] ? rtnetlink_rcv+0x29/0x40
    [netlink_unicast+709/736] ? netlink_unicast+0x2c5/0x2e0
    [__alloc_skb+110/336] ? __alloc_skb+0x6e/0x150
    [netlink_sendmsg+498/752] ? netlink_sendmsg+0x1f2/0x2f0
    [_read_unlock+78/96] ? _read_unlock+0x4e/0x60
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [sock_recvmsg+313/336] ? sock_recvmsg+0x139/0x150
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [move_addr_to_kernel+87/96] ? move_addr_to_kernel+0x57/0x60
    [verify_iovec+60/208] ? verify_iovec+0x3c/0xd0
    [sys_sendmsg+393/800] ? sys_sendmsg+0x189/0x320
    [sys_sendto+253/288] ? sys_sendto+0xfd/0x120
    [trace_hardirqs_on_thunk+53/58] ? trace_hardirqs_on_thunk+0x35/0x3a
    [system_call_after_swapgs+123/128] ? system_call_after_swapgs+0x7b/0x80

    note: NetworkManager[2621] exited with preempt_count 1
    BUG: sleeping function called from invalid context at kernel/rwsem.c:21
    in_atomic():1, irqs_disabled():0
    INFO: lockdep is turned off.
    Pid: 2621, comm: NetworkManager Tainted: G D 2.6.25 #57

    Call Trace:
    [__debug_show_held_locks+35/48] ? __debug_show_held_locks+0x23/0x30
    [__might_sleep+209/256] __might_sleep+0xd1/0x100
    [down_read+32/112] down_read+0x20/0x70
    [futex_wake+60/304] futex_wake+0x3c/0x130
    [sprintf+104/112] ? sprintf+0x68/0x70
    [do_futex+159/3440] do_futex+0x9f/0xd70
    [_spin_unlock_irqrestore+133/144] ? _spin_unlock_irqrestore+0x85/0x90
    [release_console_sem+524/544] ? release_console_sem+0x20c/0x220
    [vprintk+1008/1232] ? vprintk+0x3f0/0x4d0
    [sys_futex+180/320] sys_futex+0xb4/0x140
    [acct_collect+435/496] ? acct_collect+0x1b3/0x1f0
    [acct_collect+435/496] ? acct_collect+0x1b3/0x1f0
    [mm_release+142/160] mm_release+0x8e/0xa0
    [exit_mm+29/304] exit_mm+0x1d/0x130
    [do_exit+461/2192] do_exit+0x1cd/0x890
    [rotate_reclaimable_page+211/240] ? rotate_reclaimable_page+0xd3/0xf0
    [do_unblank_screen+29/368] ? do_unblank_screen+0x1d/0x170
    [oops_end+136/144] oops_end+0x88/0x90
    [die+94/144] die+0x5e/0x90
    [do_general_protection+344/368] do_general_protection+0x158/0x170
    [error_exit+0/169] error_exit+0x0/0xa9
    [put_page+14/256] ? put_page+0xe/0x100
    [skb_release_data+171/208] ? skb_release_data+0xab/0xd0
    [skb_release_all+158/240] ? skb_release_all+0x9e/0xf0
    [__kfree_skb+17/160] ? __kfree_skb+0x11/0xa0
    [_end+510662350/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x306/0x940
    [kfree_skb+23/64] ? kfree_skb+0x17/0x40
    [_end+510638598/2109230024] ? :iwl3945:iwl3945_rx_queue_reset+0xae/0x130
    [_end+510662510/2109230024] ? :iwl3945:iwl3945_hw_nic_init+0x3a6/0x940
    [_end+510613961/2109230024] ? :iwl3945:__iwl3945_up+0x91/0x640
    [_end+510616880/2109230024] ? :iwl3945:iwl3945_mac_start+0x568/0x790
    [lock_hrtimer_base+44/96] ? lock_hrtimer_base+0x2c/0x60
    [rb_insert_color+265/320] ? rb_insert_color+0x109/0x140
    [_end+510327174/2109230024] ? :mac80211:ieee80211_open+0x13e/0x590
    [dev_set_rx_mode+72/96] ? dev_set_rx_mode+0x48/0x60
    [dev_open+121/176] ? dev_open+0x79/0xb0
    [dev_change_flags+153/464] ? dev_change_flags+0x99/0x1d0
    [do_setlink+524/928] ? do_setlink+0x20c/0x3a0
    [_read_unlock+48/96] ? _read_unlock+0x30/0x60
    [rtnl_setlink+269/336] ? rtnl_setlink+0x10d/0x150
    [rtnetlink_rcv_msg+397/576] ? rtnetlink_rcv_msg+0x18d/0x240
    [rtnetlink_rcv_msg+0/576] ? rtnetlink_rcv_msg+0x0/0x240
    [netlink_rcv_skb+137/176] ? netlink_rcv_skb+0x89/0xb0
    [rtnetlink_rcv+41/64] ? rtnetlink_rcv+0x29/0x40
    [netlink_unicast+709/736] ? netlink_unicast+0x2c5/0x2e0
    [__alloc_skb+110/336] ? __alloc_skb+0x6e/0x150
    [netlink_sendmsg+498/752] ? netlink_sendmsg+0x1f2/0x2f0
    [_read_unlock+78/96] ? _read_unlock+0x4e/0x60
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [sock_recvmsg+313/336] ? sock_recvmsg+0x139/0x150
    [autoremove_wake_function+0/64] ? autoremove_wake_function+0x0/0x40
    [sock_sendmsg+295/320] ? sock_sendmsg+0x127/0x140
    [move_addr_to_kernel+87/96] ? move_addr_to_kernel+0x57/0x60
    [verify_iovec+60/208] ? verify_iovec+0x3c/0xd0
    [sys_sendmsg+393/800] ? sys_sendmsg+0x189/0x320
    [sys_sendto+253/288] ? sys_sendto+0xfd/0x120
    [trace_hardirqs_on_thunk+53/58] ? trace_hardirqs_on_thunk+0x35/0x3a
    [system_call_after_swapgs+123/128] ? system_call_after_swapgs+0x7b/0x80

    NetworkManager used greatest stack depth: 2928 bytes left
    eth0: Link is Up 1000 Mbps Full Duplex, Flow Control: None
    ACPI: \_SB_.GDCK - undocking
    usb 1-4: USB disconnect, address 4
    ACPI: \_SB_.GDCK - docking
    usb 1-4: new high speed USB device using ehci_hcd and address 5
    usb 1-4: configuration #1 chosen from 1 choice
    hub 1-4:1.0: USB hub found
    hub 1-4:1.0: 4 ports detected
    usb 1-4: New USB device found, idVendor=04b3, idProduct=4485
    usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
    SysRq : Emergency Sync
    Emergency Sync complete
    SysRq : Emergency Remount R/O
    --
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