[Ocfs2-users] General protection fault
Sunil Mushran
sunil.mushran at oracle.com
Fri Sep 17 11:54:02 PDT 2010
It is oopsing 6-8 secs after the mount. ;)
The stack trace does not show ocfs2/drbd. It is pointing to slub. But
you have to read that with a pinch of salt. This just could be a case
of some memory being scribbled.
On 09/17/2010 11:39 AM, Andre Nathan wrote:
> Hello
>
> I have an active-active DRBD cluster using OCFS2 as the filesystem on
> the drbd devices.
>
> I started getting a "general protection fault error" when trying to
> mount any one of the ocfs2 volumes I have, even when running mount on a
> single node, with no mounted FSs on the other node.
>
> The kernel trace follows at the bottom of this message. Does anyone know
> what could have been happening here? The kernel version is below.
>
> # uname -a
> Linux box6.f1.k8.com.br 2.6.32-24-server #41-Ubuntu SMP Thu Aug 19
> 02:47:08 UTC 2010 x86_64 GNU/Linux
>
> Thanks in advance,
> Andre
>
> Kernel trace:
>
> Sep 17 15:26:10 box6 kernel: [ 1940.689605] ocfs2_dlm: Nodes in domain
> ("BB10CF0E9E7B458690D7245D6F10C39F"): 1
> Sep 17 15:26:10 box6 kernel: [ 1940.689738] (4941,1):ocfs2_find_slot:502
> slot 1 is already allocated to this node!
> Sep 17 15:26:10 box6 kernel: [ 1940.708142]
> (4941,1):ocfs2_check_volume:2338 File system was not unmounted cleanly,
> recovering volume.
> Sep 17 15:26:10 box6 kernel: [ 1940.733976] ocfs2: Mounting device
> (147,1) on (node 1, slot 1) with ordered data mode.
> Sep 17 15:26:10 box6 kernel: [ 1940.734213]
> (4958,1):ocfs2_replay_journal:1607 Recovering node 0 from slot 0 on
> device (147,1)
> Sep 17 15:26:12 box6 kernel: [ 1942.834964]
> (4958,1):ocfs2_begin_quota_recovery:376 Beginning quota recovery in slot
> 0
> Sep 17 15:26:12 box6 kernel: [ 1942.860063]
> (4656,2):ocfs2_finish_quota_recovery:569 Finishing quota recovery in
> slot 0
> Sep 17 15:26:18 box6 kernel: [ 1947.860683] general protection fault:
> 0000 [#1] SMP
> Sep 17 15:26:18 box6 kernel: [ 1947.882200] last sysfs
> file: /sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map
> Sep 17 15:26:18 box6 kernel: [ 1947.924056] CPU 1
> Sep 17 15:26:18 box6 kernel: [ 1947.944445] Modules linked in: ocfs2
> quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager
> ocfs2_stackglue configfs drbd fbcon tileblit font bitblit softcursor aoe
> joydev vga16fb vgastate shpchp ioatdma ixgbe mdio bonding lp parport
> raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov
> megaraid_sas usbhid e1000e hid igb dca raid6_pq async_tx raid1 raid0
> multipath linear [last unloaded: configfs]
> Sep 17 15:26:18 box6 kernel: [ 1948.069302] Pid: 4979, comm: sh Not
> tainted 2.6.32-24-server #41-Ubuntu S5520HC
> Sep 17 15:26:18 box6 kernel: [ 1948.108536] RIP:
> 0010:[<ffffffff8113647c>] [<ffffffff8113647c>] kmem_cache_alloc
> +0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.147419] RSP: 0018:ffff8802ce981e08
> EFLAGS: 00010082
> Sep 17 15:26:18 box6 kernel: [ 1948.166533] RAX: 0000000000000000 RBX:
> ffffffff817cd200 RCX: ffffffff8128525d
> Sep 17 15:26:18 box6 kernel: [ 1948.185647] RDX: ffffffffffffffe0 RSI:
> 00000000000080d0 RDI: ffffffff817cd200
> Sep 17 15:26:18 box6 kernel: [ 1948.204719] RBP: ffff8802ce981e48 R08:
> ffff8802f58123a0 R09: 0000000000000010
> Sep 17 15:26:18 box6 kernel: [ 1948.223614] R10: 00007fff498cdd40 R11:
> 0000000000000000 R12: e026e026e026e026
> Sep 17 15:26:18 box6 kernel: [ 1948.242650] R13: 00000000000080d0 R14:
> 0000000000000202 R15: 00000000000080d0
> Sep 17 15:26:18 box6 kernel: [ 1948.261694] FS: 00007f70f7d3d700(0000)
> GS:ffff8802f5800000(0000) knlGS:0000000000000000
> Sep 17 15:26:18 box6 kernel: [ 1948.299443] CS: 0010 DS: 0000 ES: 0000
> CR0: 0000000080050033
> Sep 17 15:26:18 box6 kernel: [ 1948.318349] CR2: 00007f70f7885d90 CR3:
> 000000044c1c7000 CR4: 00000000000006e0
> Sep 17 15:26:18 box6 kernel: [ 1948.337237] DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000
> Sep 17 15:26:18 box6 kernel: [ 1948.356066] DR3: 0000000000000000 DR6:
> 00000000ffff0ff0 DR7: 0000000000000400
> Sep 17 15:26:18 box6 kernel: [ 1948.374536] Process sh (pid: 4979,
> threadinfo ffff8802ce980000, task ffff8802db592de0)
> Sep 17 15:26:18 box6 kernel: [ 1948.410826] Stack:
> Sep 17 15:26:18 box6 kernel: [ 1948.428548] 00000002f577f025
> 0000000000000202 0000000000000000 ffff88046641d5c0
> Sep 17 15:26:18 box6 kernel: [ 1948.446931]<0> ffff880441aa2000
> ffff88046641cfc0 ffff8802ce981f48 0000000000000000
> Sep 17 15:26:18 box6 kernel: [ 1948.483393]<0> ffff8802ce981e88
> ffffffff8128525d ffff880464ddc4b0 ffff8804000000c0
> Sep 17 15:26:18 box6 kernel: [ 1948.539021] Call Trace:
> Sep 17 15:26:18 box6 kernel: [ 1948.557130] [<ffffffff8128525d>]
> apparmor_file_alloc_security+0x2d/0xa0
> Sep 17 15:26:18 box6 kernel: [ 1948.575351] [<ffffffff81252ec6>]
> security_file_alloc+0x16/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.593469] [<ffffffff81145d51>]
> get_empty_filp+0xa1/0x170
> Sep 17 15:26:18 box6 kernel: [ 1948.611178] [<ffffffff8114c934>]
> create_read_pipe+0x24/0xb0
> Sep 17 15:26:18 box6 kernel: [ 1948.628524] [<ffffffff8114daac>]
> do_pipe_flags+0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.645374] [<ffffffff8155d6b3>] ?
> do_page_fault+0x153/0x3b0
> Sep 17 15:26:18 box6 kernel: [ 1948.662055] [<ffffffff8114db94>]
> sys_pipe2+0x24/0x70
> Sep 17 15:26:18 box6 kernel: [ 1948.678520] [<ffffffff8155afd5>] ?
> page_fault+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.694891] [<ffffffff8114dbf0>]
> sys_pipe+0x10/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.710975] [<ffffffff810131b2>]
> system_call_fastpath+0x16/0x1b
> Sep 17 15:26:18 box6 kernel: [ 1948.726836] Code: 0f 1f 44 00 00 65 8b
> 04 25 18 e4 00 00 48 98 4c 8b 84 c7 f0 02 00 00 4d 8b 20 45 8b 48 18 4d
> 85 e4 0f 84 84 00 00 00 41 8b 40 14<49> 8b 04 c4 49 89 00 4c 89 f7 57
> 9d 0f 1f 44 00 00 4d 85 e4 0f
> Sep 17 15:26:18 box6 kernel: [ 1948.780968] RIP [<ffffffff8113647c>]
> kmem_cache_alloc+0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.797228] RSP<ffff8802ce981e08>
> Sep 17 15:26:18 box6 kernel: [ 1948.825936] general protection fault:
> 0000 [#2]
> Sep 17 15:26:18 box6 kernel: [ 1948.825939] general protection fault:
> 0000 [#3] SMP
> Sep 17 15:26:18 box6 kernel: [ 1948.825942] last sysfs
> file: /sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map
> Sep 17 15:26:18 box6 kernel: [ 1948.825944] CPU 1
> Sep 17 15:26:18 box6 kernel: [ 1948.825945] Modules linked in: ocfs2
> quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager
> ocfs2_stackglue configfs drbd fbcon tileblit font bitblit softcursor aoe
> joydev vga16fb vgastate shpchp ioatdma ixgbe mdio bonding lp parport
> raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov
> megaraid_sas usbhid e1000e hid igb dca raid6_pq async_tx raid1 raid0
> multipath linear [last unloaded: configfs]
> Sep 17 15:26:18 box6 kernel: [ 1948.825968] Pid: 4979, comm: sh Not
> tainted 2.6.32-24-server #41-Ubuntu S5520HC
> Sep 17 15:26:18 box6 kernel: [ 1948.825970] RIP:
> 0010:[<ffffffff81137337>] [<ffffffff81137337>] __kmalloc+0x87/0x1a0
> Sep 17 15:26:18 box6 kernel: [ 1948.825975] RSP: 0018:ffff8802ce981478
> EFLAGS: 00010082
> Sep 17 15:26:18 box6 kernel: [ 1948.825977] RAX: 0000000000000000 RBX:
> ffffffff817cd200 RCX: ffffffffa0137e12
> Sep 17 15:26:18 box6 kernel: [ 1948.825979] RDX: 0000000000000001 RSI:
> 0000000000000020 RDI: 0000000000000004
> Sep 17 15:26:18 box6 kernel: [ 1948.825982] RBP: ffff8802ce9814b8 R08:
> ffff8802f58123a0 R09: 0000000000000020
> Sep 17 15:26:18 box6 kernel: [ 1948.825984] R10: 0000000000000010 R11:
> 0000000000000000 R12: e026e026e026e026
> Sep 17 15:26:18 box6 kernel: [ 1948.825986] R13: 0000000000000020 R14:
> 0000000000000010 R15: 0000000000000002
> Sep 17 15:26:18 box6 kernel: [ 1948.825989] FS: 00007f70f7d3d700(0000)
> GS:ffff8802f5800000(0000) knlGS:0000000000000000
> Sep 17 15:26:18 box6 kernel: [ 1948.825991] CS: 0010 DS: 0000 ES: 0000
> CR0: 0000000080050033
> Sep 17 15:26:18 box6 kernel: [ 1948.825993] CR2: 00007f70f7885d90 CR3:
> 000000044c1c7000 CR4: 00000000000006e0
> Sep 17 15:26:18 box6 kernel: [ 1948.825995] DR0: 0000000000000000 DR1:
> 0000000000000000 DR2: 0000000000000000
> Sep 17 15:26:18 box6 kernel: [ 1948.825997] DR3: 0000000000000000 DR6:
> 00000000ffff0ff0 DR7: 0000000000000400
> Sep 17 15:26:18 box6 kernel: [ 1948.826000] Process sh (pid: 4979,
> threadinfo ffff8802ce980000, task ffff8802db592de0)
> Sep 17 15:26:18 box6 kernel: [ 1948.826001] Stack:
> Sep 17 15:26:18 box6 kernel: [ 1948.826002] 0000000000000002
> ffff880465b2dbc0 0000000000000000 ffff8802efc04000
> Sep 17 15:26:18 box6 kernel: [ 1948.826005]<0> ffff8804669b7800
> ffff8802e371ac00 0000000000000001 0000000000000001
> Sep 17 15:26:18 box6 kernel: [ 1948.826008]<0> ffff8802ce9815b8
> ffffffffa0137e12 ffff8802ce981538 ffffffffa00e728b
> Sep 17 15:26:18 box6 kernel: [ 1948.826011] Call Trace:
> Sep 17 15:26:18 box6 kernel: [ 1948.826016] [<ffffffffa0137e12>]
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826021] [<ffffffffa00e728b>] ?
> vga_imageblit_expand+0x34b/0x420 [vga16fb]
> Sep 17 15:26:18 box6 kernel: [ 1948.826025] [<ffffffffa00e7385>] ?
> vga16fb_imageblit+0x25/0x30 [vga16fb]
> Sep 17 15:26:18 box6 kernel: [ 1948.826029] [<ffffffffa013783e>] ?
> bit_putcs+0x41e/0x6c0 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826034] [<ffffffff812ba3bc>] ?
> put_dec+0x10c/0x110
> Sep 17 15:26:18 box6 kernel: [ 1948.826037] [<ffffffff812ba6ae>] ?
> number+0x2ee/0x320
> Sep 17 15:26:18 box6 kernel: [ 1948.826043] [<ffffffffa0195338>]
> fbcon_cursor+0x1d8/0x340 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826046] [<ffffffffa0137ae0>] ?
> bit_cursor+0x0/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826052] [<ffffffff8133fba9>]
> hide_cursor+0x29/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826056] [<ffffffff81342335>]
> vt_console_print+0x2e5/0x310
> Sep 17 15:26:18 box6 kernel: [ 1948.826063] [<ffffffff81066fe5>]
> __call_console_drivers+0x75/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826066] [<ffffffff8106704a>]
> _call_console_drivers+0x4a/0x80
> Sep 17 15:26:18 box6 kernel: [ 1948.826070] [<ffffffff810673dd>]
> release_console_sem+0xbd/0x220
> Sep 17 15:26:18 box6 kernel: [ 1948.826073] [<ffffffff810679e3>]
> vprintk+0x1c3/0x470
> Sep 17 15:26:18 box6 kernel: [ 1948.826078] [<ffffffffa00e7385>] ?
> vga16fb_imageblit+0x25/0x30 [vga16fb]
> Sep 17 15:26:18 box6 kernel: [ 1948.826084] [<ffffffff81557efa>] printk
> +0x41/0x47
> Sep 17 15:26:18 box6 kernel: [ 1948.826088] [<ffffffff8155c0ae>] ?
> perf_event_nmi_handler+0xe/0x60
> Sep 17 15:26:18 box6 kernel: [ 1948.826091] [<ffffffff8155bb08>] __die
> +0x48/0xf0
> Sep 17 15:26:18 box6 kernel: [ 1948.826095] [<ffffffff81017108>] die
> +0x48/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826098] [<ffffffff8155b7e2>]
> do_general_protection+0x152/0x160
> Sep 17 15:26:18 box6 kernel: [ 1948.826102] [<ffffffff8155afa5>]
> general_protection+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826105] [<ffffffffa0137e12>] ?
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826109] [<ffffffff81137337>] ?
> __kmalloc+0x87/0x1a0
> Sep 17 15:26:18 box6 kernel: [ 1948.826113] [<ffffffffa0137e12>]
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826118] [<ffffffffa0194a30>] ?
> fbcon_putcs+0x200/0x300 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826122] [<ffffffffa0195338>]
> fbcon_cursor+0x1d8/0x340 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826126] [<ffffffffa0137ae0>] ?
> bit_cursor+0x0/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826130] [<ffffffff8133fc7c>]
> set_cursor+0x6c/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826133] [<ffffffff81342b31>]
> redraw_screen+0x1e1/0x220
> Sep 17 15:26:18 box6 kernel: [ 1948.826138] [<ffffffffa0196446>]
> fbcon_blank+0x156/0x250 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826145] [<ffffffff810397a9>] ?
> default_spin_lock_flags+0x9/0x10
> Sep 17 15:26:18 box6 kernel: [ 1948.826148] [<ffffffff8155aa2f>] ?
> _spin_lock_irqsave+0x2f/0x40
> Sep 17 15:26:18 box6 kernel: [ 1948.826154] [<ffffffff81076c7c>] ?
> lock_timer_base+0x3c/0x70
> Sep 17 15:26:18 box6 kernel: [ 1948.826157] [<ffffffff81077d17>] ?
> mod_timer+0x147/0x230
> Sep 17 15:26:18 box6 kernel: [ 1948.826161] [<ffffffff8134350e>]
> do_unblank_screen+0x9e/0x170
> Sep 17 15:26:18 box6 kernel: [ 1948.826165] [<ffffffff813435f0>]
> unblank_screen+0x10/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826169] [<ffffffff812be8ad>]
> bust_spinlocks+0x1d/0x40
> Sep 17 15:26:18 box6 kernel: [ 1948.826172] [<ffffffff8155bbef>]
> oops_end+0x3f/0xf0
> Sep 17 15:26:18 box6 kernel: [ 1948.826175] [<ffffffff8101711b>] die
> +0x5b/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826179] [<ffffffff8155b7e2>]
> do_general_protection+0x152/0x160
> Sep 17 15:26:18 box6 kernel: [ 1948.826182] [<ffffffff8155afa5>]
> general_protection+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826186] [<ffffffff8128525d>] ?
> apparmor_file_alloc_security+0x2d/0xa0
> Sep 17 15:26:18 box6 kernel: [ 1948.826190] [<ffffffff8113647c>] ?
> kmem_cache_alloc+0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.826193] [<ffffffff8128525d>]
> apparmor_file_alloc_security+0x2d/0xa0
> Sep 17 15:26:18 box6 kernel: [ 1948.826198] [<ffffffff81252ec6>]
> security_file_alloc+0x16/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826201] [<ffffffff81145d51>]
> get_empty_filp+0xa1/0x170
> Sep 17 15:26:18 box6 kernel: [ 1948.826204] [<ffffffff8114c934>]
> create_read_pipe+0x24/0xb0
> Sep 17 15:26:18 box6 kernel: [ 1948.826207] [<ffffffff8114daac>]
> do_pipe_flags+0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.826211] [<ffffffff8155d6b3>] ?
> do_page_fault+0x153/0x3b0
> Sep 17 15:26:18 box6 kernel: [ 1948.826214] [<ffffffff8114db94>]
> sys_pipe2+0x24/0x70
> Sep 17 15:26:18 box6 kernel: [ 1948.826216] [<ffffffff8155afd5>] ?
> page_fault+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826219] [<ffffffff8114dbf0>]
> sys_pipe+0x10/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826223] [<ffffffff810131b2>]
> system_call_fastpath+0x16/0x1b
> Sep 17 15:26:18 box6 kernel: [ 1948.826225] Code: 0f 1f 44 00 00 65 8b
> 04 25 18 e4 00 00 48 98 4c 8b 84 c3 f0 02 00 00 4d 8b 20 45 8b 50 18 4d
> 85 e4 0f 84 d4 00 00 00 41 8b 40 14<49> 8b 04 c4 49 89 00 4c 89 ff 57
> 9d 0f 1f 44 00 00 4d 85 e4 0f
> Sep 17 15:26:18 box6 kernel: [ 1948.826247] RIP [<ffffffff81137337>]
> __kmalloc+0x87/0x1a0
> Sep 17 15:26:18 box6 kernel: [ 1948.826251] RSP<ffff8802ce981478>
> Sep 17 15:26:18 box6 kernel: [ 1948.826253] ---[ end trace
> b6ccf23d40727e98 ]---
> Sep 17 15:26:18 box6 kernel: [ 1948.826334] ------------[ cut
> here ]------------
> Sep 17 15:26:18 box6 kernel: [ 1948.826344] WARNING:
> at /build/buildd/linux-2.6.32/mm/slub.c:2929 ksize+0xc3/0xd0()
> Sep 17 15:26:18 box6 kernel: [ 1948.826351] Hardware name: S5520HC
> Sep 17 15:26:18 box6 kernel: [ 1948.826355] Modules linked in: ocfs2
> quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager
> ocfs2_stackglue configfs drbd fbcon tileblit font bitblit softcursor aoe
> joydev vga16fb vgastate shpchp ioatdma ixgbe mdio bonding lp parport
> raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov
> megaraid_sas usbhid e1000e hid igb dca raid6_pq async_tx raid1 raid0
> multipath linear [last unloaded: configfs]
> Sep 17 15:26:18 box6 kernel: [ 1948.826432] Pid: 4979, comm: sh Tainted:
> G D 2.6.32-24-server #41-Ubuntu
> Sep 17 15:26:18 box6 kernel: [ 1948.826440] Call Trace:
> Sep 17 15:26:18 box6 kernel: [ 1948.826446] [<ffffffff81066dab>]
> warn_slowpath_common+0x7b/0xc0
> Sep 17 15:26:18 box6 kernel: [ 1948.826455] [<ffffffff81066e04>]
> warn_slowpath_null+0x14/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826463] [<ffffffff81133273>] ksize
> +0xc3/0xd0
> Sep 17 15:26:18 box6 kernel: [ 1948.826471] [<ffffffff8110cd8c>] kzfree
> +0x1c/0x40
> Sep 17 15:26:18 box6 kernel: [ 1948.826479] [<ffffffff812851aa>]
> apparmor_file_free_security+0x3a/0x50
> Sep 17 15:26:18 box6 kernel: [ 1948.826488] [<ffffffff81252ee6>]
> security_file_free+0x16/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826496] [<ffffffff81145fa7>] __fput
> +0xe7/0x1f0
> Sep 17 15:26:18 box6 kernel: [ 1948.826504] [<ffffffff811460d5>] fput
> +0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826514] [<ffffffff81117efc>]
> remove_vma+0x3c/0x80
> Sep 17 15:26:18 box6 kernel: [ 1948.826522] [<ffffffff81118038>]
> exit_mmap+0xf8/0x190
> Sep 17 15:26:18 box6 kernel: [ 1948.826530] [<ffffffff81064bf2>] mmput
> +0x42/0x110
> Sep 17 15:26:18 box6 kernel: [ 1948.826539] [<ffffffff8106b072>]
> exit_mm+0x112/0x150
> Sep 17 15:26:18 box6 kernel: [ 1948.826547] [<ffffffff8155aa55>] ?
> _spin_lock_irq+0x15/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826556] [<ffffffff8106b2e5>]
> do_exit+0x125/0x380
> Sep 17 15:26:18 box6 kernel: [ 1948.826563] [<ffffffff8155bc60>]
> oops_end+0xb0/0xf0
> Sep 17 15:26:18 box6 kernel: [ 1948.826570] [<ffffffff8101711b>] die
> +0x5b/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826578] [<ffffffff8155b7e2>]
> do_general_protection+0x152/0x160
> Sep 17 15:26:18 box6 kernel: [ 1948.826586] [<ffffffff8155afa5>]
> general_protection+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826595] [<ffffffffa0137e12>] ?
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826603] [<ffffffff81137337>] ?
> __kmalloc+0x87/0x1a0
> Sep 17 15:26:18 box6 kernel: [ 1948.826612] [<ffffffffa0137e12>]
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826622] [<ffffffffa00e728b>] ?
> vga_imageblit_expand+0x34b/0x420 [vga16fb]
> Sep 17 15:26:18 box6 kernel: [ 1948.826633] [<ffffffffa00e7385>] ?
> vga16fb_imageblit+0x25/0x30 [vga16fb]
> Sep 17 15:26:18 box6 kernel: [ 1948.826642] [<ffffffffa013783e>] ?
> bit_putcs+0x41e/0x6c0 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826650] [<ffffffff812ba3bc>] ?
> put_dec+0x10c/0x110
> Sep 17 15:26:18 box6 kernel: [ 1948.826656] [<ffffffff812ba6ae>] ?
> number+0x2ee/0x320
> Sep 17 15:26:18 box6 kernel: [ 1948.826677] [<ffffffffa0195338>]
> fbcon_cursor+0x1d8/0x340 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826686] [<ffffffffa0137ae0>] ?
> bit_cursor+0x0/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826695] [<ffffffff8133fba9>]
> hide_cursor+0x29/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826703] [<ffffffff81342335>]
> vt_console_print+0x2e5/0x310
> Sep 17 15:26:18 box6 kernel: [ 1948.826712] [<ffffffff81066fe5>]
> __call_console_drivers+0x75/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826720] [<ffffffff8106704a>]
> _call_console_drivers+0x4a/0x80
> Sep 17 15:26:18 box6 kernel: [ 1948.826729] [<ffffffff810673dd>]
> release_console_sem+0xbd/0x220
> Sep 17 15:26:18 box6 kernel: [ 1948.826738] [<ffffffff810679e3>]
> vprintk+0x1c3/0x470
> Sep 17 15:26:18 box6 kernel: [ 1948.826747] [<ffffffffa00e7385>] ?
> vga16fb_imageblit+0x25/0x30 [vga16fb]
> Sep 17 15:26:18 box6 kernel: [ 1948.826756] [<ffffffff81557efa>] printk
> +0x41/0x47
> Sep 17 15:26:18 box6 kernel: [ 1948.826763] [<ffffffff8155c0ae>] ?
> perf_event_nmi_handler+0xe/0x60
> Sep 17 15:26:18 box6 kernel: [ 1948.826771] [<ffffffff8155bb08>] __die
> +0x48/0xf0
> Sep 17 15:26:18 box6 kernel: [ 1948.826778] [<ffffffff81017108>] die
> +0x48/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826785] [<ffffffff8155b7e2>]
> do_general_protection+0x152/0x160
> Sep 17 15:26:18 box6 kernel: [ 1948.826793] [<ffffffff8155afa5>]
> general_protection+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826801] [<ffffffffa0137e12>] ?
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826810] [<ffffffff81137337>] ?
> __kmalloc+0x87/0x1a0
> Sep 17 15:26:18 box6 kernel: [ 1948.826817] [<ffffffffa0137e12>]
> bit_cursor+0x332/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826827] [<ffffffffa0194a30>] ?
> fbcon_putcs+0x200/0x300 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826835] [<ffffffffa0195338>]
> fbcon_cursor+0x1d8/0x340 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826851] [<ffffffffa0137ae0>] ?
> bit_cursor+0x0/0x6b8 [bitblit]
> Sep 17 15:26:18 box6 kernel: [ 1948.826860] [<ffffffff8133fc7c>]
> set_cursor+0x6c/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826868] [<ffffffff81342b31>]
> redraw_screen+0x1e1/0x220
> Sep 17 15:26:18 box6 kernel: [ 1948.826877] [<ffffffffa0196446>]
> fbcon_blank+0x156/0x250 [fbcon]
> Sep 17 15:26:18 box6 kernel: [ 1948.826886] [<ffffffff810397a9>] ?
> default_spin_lock_flags+0x9/0x10
> Sep 17 15:26:18 box6 kernel: [ 1948.826895] [<ffffffff8155aa2f>] ?
> _spin_lock_irqsave+0x2f/0x40
> Sep 17 15:26:18 box6 kernel: [ 1948.826903] [<ffffffff81076c7c>] ?
> lock_timer_base+0x3c/0x70
> Sep 17 15:26:18 box6 kernel: [ 1948.826911] [<ffffffff81077d17>] ?
> mod_timer+0x147/0x230
> Sep 17 15:26:18 box6 kernel: [ 1948.826919] [<ffffffff8134350e>]
> do_unblank_screen+0x9e/0x170
> Sep 17 15:26:18 box6 kernel: [ 1948.826927] [<ffffffff813435f0>]
> unblank_screen+0x10/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826935] [<ffffffff812be8ad>]
> bust_spinlocks+0x1d/0x40
> Sep 17 15:26:18 box6 kernel: [ 1948.826942] [<ffffffff8155bbef>]
> oops_end+0x3f/0xf0
> Sep 17 15:26:18 box6 kernel: [ 1948.826950] [<ffffffff8101711b>] die
> +0x5b/0x90
> Sep 17 15:26:18 box6 kernel: [ 1948.826957] [<ffffffff8155b7e2>]
> do_general_protection+0x152/0x160
> Sep 17 15:26:18 box6 kernel: [ 1948.826965] [<ffffffff8155afa5>]
> general_protection+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.826969] [<ffffffff8128525d>] ?
> apparmor_file_alloc_security+0x2d/0xa0
> Sep 17 15:26:18 box6 kernel: [ 1948.826972] [<ffffffff8113647c>] ?
> kmem_cache_alloc+0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.826976] [<ffffffff8128525d>]
> apparmor_file_alloc_security+0x2d/0xa0
> Sep 17 15:26:18 box6 kernel: [ 1948.826980] [<ffffffff81252ec6>]
> security_file_alloc+0x16/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.826984] [<ffffffff81145d51>]
> get_empty_filp+0xa1/0x170
> Sep 17 15:26:18 box6 kernel: [ 1948.826992] [<ffffffff8114c934>]
> create_read_pipe+0x24/0xb0
> Sep 17 15:26:18 box6 kernel: [ 1948.826999] [<ffffffff8114daac>]
> do_pipe_flags+0x6c/0x130
> Sep 17 15:26:18 box6 kernel: [ 1948.827008] [<ffffffff8155d6b3>] ?
> do_page_fault+0x153/0x3b0
> Sep 17 15:26:18 box6 kernel: [ 1948.827016] [<ffffffff8114db94>]
> sys_pipe2+0x24/0x70
> Sep 17 15:26:18 box6 kernel: [ 1948.827024] [<ffffffff8155afd5>] ?
> page_fault+0x25/0x30
> Sep 17 15:26:18 box6 kernel: [ 1948.827031] [<ffffffff8114dbf0>]
> sys_pipe+0x10/0x20
> Sep 17 15:26:18 box6 kernel: [ 1948.827040] [<ffffffff810131b2>]
> system_call_fastpath+0x16/0x1b
> Sep 17 15:26:18 box6 kernel: [ 1948.827046] ---[ end trace
> b6ccf23d40727e99 ]---
>
>
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