[4982584.491588] ------------[ cut here ]------------
[4982584.491799] kernel BUG at /build/buildd/linux-2.6.32/fs/jbd2/commit.c:393!
[4982584.492064] invalid opcode: 0000 [#1] SMP 
[4982584.492354] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.1/0000:07:00.0/irq
[4982584.492671] CPU 10 
[4982584.492835] Modules linked in: nfsd exportfs nfs lockd nfs_acl auth_rpcgss sunrpc fbcon tileblit font bitblit softcursor vga16fb lp vgastate psmouse parport joydev ioatdma serio_raw dca raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov usbhid hid raid6_pq async_tx ahci e1000e 3w_9xxx raid1 raid0 multipath linear
[4982584.496531] Pid: 1087, comm: jbd2/sdb1-8 Not tainted 2.6.32-52-server #114-Ubuntu X8ST3
[4982584.496860] RIP: 0010:[<ffffffff812215b5>]  [<ffffffff812215b5>] jbd2_journal_commit_transaction+0xff5/0x1280
[4982584.497316] RSP: 0018:ffff880307295d30  EFLAGS: 00010246
[4982584.497537] RAX: 0000000000000008 RBX: ffff880311491000 RCX: ffff8803114910a0
[4982584.497841] RDX: ffff880308731000 RSI: 0000000000000286 RDI: ffff880311491000
[4982584.498146] RBP: ffff880307295e40 R08: ffff880312568000 R09: 0000000000000000
[4982584.498450] R10: 0000000000000400 R11: 0000000003c65400 R12: ffff880311491024
[4982584.498754] R13: 0000000000000000 R14: ffff880311491000 R15: ffff880307295e80
[4982584.499059] FS:  0000000000000000(0000) GS:ffff88000c940000(0000) knlGS:0000000000000000
[4982584.520849] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[4982584.532144] CR2: 00007f5385fd0000 CR3: 0000000001001000 CR4: 00000000000006e0
[4982584.554887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[4982584.578320] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[4982584.602314] Process jbd2/sdb1-8 (pid: 1087, threadinfo ffff880307294000, task ffff880311819700)
[4982584.626588] Stack:
[4982584.638496]  ffff88002ed91d90 ffff8800c1aa7700 ffff88031149139c 0011b38716b9d09b
[4982584.650714] <0> ffff8803114913b8 ffff88030e897000 0000000000000008 ffffffff00000fdc
[4982584.674425] <0> ffff880307294000 ffff880311491024 ffff880307295d90 ffffffff81039919
[4982584.709404] Call Trace:
[4982584.720953]  [<ffffffff81039919>] ? default_spin_lock_flags+0x9/0x10
[4982584.732443]  [<ffffffff8156bbef>] ? _spin_lock_irqsave+0x2f/0x40
[4982584.743742]  [<ffffffff8107801c>] ? lock_timer_base+0x3c/0x70
[4982584.754907]  [<ffffffff81078ae9>] ? try_to_del_timer_sync+0x79/0xd0
[4982584.766006]  [<ffffffff81227dfd>] kjournald2+0xbd/0x220
[4982584.776911]  [<ffffffff81086750>] ? autoremove_wake_function+0x0/0x40
[4982584.787663]  [<ffffffff81227d40>] ? kjournald2+0x0/0x220
[4982584.798209]  [<ffffffff810863d6>] kthread+0x96/0xa0
[4982584.808671]  [<ffffffff810141aa>] child_rip+0xa/0x20
[4982584.818734]  [<ffffffff81086340>] ? kthread+0x0/0xa0
[4982584.828716]  [<ffffffff810141a0>] ? child_rip+0x0/0x20
[4982584.838527] Code: f7 e8 d0 61 00 00 e9 f1 fa ff ff 49 3b 46 50 0f 84 82 fb ff ff 0f 0b eb fe f3 90 48 8b 02 a9 00 00 40 00 0f 84 52 fb ff ff eb ee <0f> 0b eb fe 4c 8b 25 e0 b0 67 00 4d 85 e4 74 83 49 8b 04 24 49 
[4982584.873339] RIP  [<ffffffff812215b5>] jbd2_journal_commit_transaction+0xff5/0x1280
[4982584.894080]  RSP <ffff880307295d30>
[4982584.911242] ---[ end trace d832cfd1840c5275 ]---