[ 3618.608944] BUG: unable to handle kernel 
paging request
at 00000003661fa920
[ 3618.615776] IP:
[<ffffffff8104b9cf>] hrtick_start_fair+0x2f/0x100
[ 3618.615776] PGD 0 

[ 3618.615776] Thread overran stack, or stack corrupted
[ 3618.615776] Oops: 0000 [#1] 
SMP 

[ 3618.615776] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.3/i2c-0/0-002f/chassis
[ 3618.615776] CPU 1 

[ 3618.615776] Pid: 4921, comm: flush-65:64 Not tainted 2.6.33-020633-generic #020633 PDSM4+/PDSM4+
[ 3618.615776] RIP: 0010:[<ffffffff8104b9cf>] 
[<ffffffff8104b9cf>] hrtick_start_fair+0x2f/0x100
[ 3618.615776] RSP: 0018:ffff88007c8e8040  EFLAGS: 00010082
[ 3618.615776] RAX: 0000000000015bc0 RBX: ffff88007c8dadc0 RCX: 0000000000000000
[ 3618.615776] RDX: 000000007c8e81b0 RSI: ffff88007c8dadc0 RDI: ffff880006315bc0
[ 3618.615776] RBP: ffff88007c8e8060 R08: 000001a10d614c3a R09: 0000000000000000
[ 3618.615776] R10: ffff880006315c20 R11: 0000000000000001 R12: ffff880006315bc0
[ 3618.615776] R13: ffff880006315c20 R14: 000000000620a800 R15: ffff88007c8e81b0
[ 3618.615776] FS:  0000000000000000(0000) GS:ffff880006300000(0000) knlGS:0000000000000000
[ 3618.615776] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 3618.615776] CR2: 00000003661fa920 CR3: 00000000184e8000 CR4: 00000000000006e0
[ 3618.615776] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3618.615776] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 3618.615776] Process flush-65:64 (pid: 4921, threadinfo ffff88007c8e8000, task ffff88007c8dadc0)
[ 3618.615776] Stack:
[ 3618.615776]  ffff88007c8e8070
0000000000000000
ffff880006315bc0
0000000000000001

[ 3618.615776] <0>
ffff88007c8e8070
ffffffff8104bacf
ffff88007c8e8090
ffffffff81055355

[ 3618.615776] <0>
ffff88007ba75b80
ffff880006315bc0
ffff88007c8e80b0
ffffffff810413eb

[ 3618.615776] Call Trace:
[ 3618.615776]  [<ffffffff8104bacf>] hrtick_update+0x2f/0x40
[ 3618.615776]  [<ffffffff81055355>] enqueue_task_fair+0x65/0x70
[ 3618.615776]  [<ffffffff810413eb>] enqueue_task+0x5b/0x70
[ 3618.615776]  [<ffffffff81041429>] activate_task+0x29/0x40
[ 3618.615776]  [<ffffffff8104c20c>] pull_task+0x3c/0x70
[ 3618.615776]  [<ffffffff810409f1>] ? can_migrate_task+0x71/0xb0
[ 3618.615776]  [<ffffffff8104c4ad>] balance_tasks+0xfd/0x140
[ 3618.615776]  [<ffffffff8104c52f>] __load_balance_fair+0x3f/0x50
[ 3618.615776]  [<ffffffff810543d0>] ? load_balance_start_fair+0x0/0x10
[ 3618.615776]  [<ffffffff810543c0>] ? load_balance_next_fair+0x0/0x10
[ 3618.615776]  [<ffffffff8104c623>] load_balance_fair+0xe3/0x130
[ 3618.615776]  [<ffffffff81040a9b>] move_tasks+0x6b/0xa0
[ 3618.615776]  [<ffffffff8107ffd6>] ? sched_clock_remote+0x26/0x70
[ 3618.615776]  [<ffffffff81052774>] load_balance_newidle+0x124/0x2d0
[ 3618.615776]  [<ffffffff8104bacf>] ? hrtick_update+0x2f/0x40
[ 3618.615776]  [<ffffffff810529be>] idle_balance+0x9e/0xf0
[ 3618.615776]  [<ffffffff8153dcdc>] schedule+0x4ec/0x650
[ 3618.615776]  [<ffffffff8153e317>] schedule_timeout+0x197/0x2d0
[ 3618.615776]  [<ffffffff8126dd3c>] ? generic_make_request+0x1cc/0x3e0
[ 3618.615776]  [<ffffffff810e58a8>] ? mempool_alloc+0x68/0x140
[ 3618.615776]  [<ffffffff8153dfe6>] wait_for_common+0xc6/0x170
[ 3618.615776]  [<ffffffff8126dfc3>] ? submit_bio+0x73/0x100
[ 3618.615776]  [<ffffffff8104f1c0>] ? default_wake_function+0x0/0x10
[ 3618.615776]  [<ffffffffa0221f9e>] ? _xfs_buf_read+0x4e/0x50 [xfs]
[ 3618.615776]  [<ffffffffa0217031>] ? xfs_trans_read_buf+0x1f1/0x450 [xfs]
[ 3618.615776]  [<ffffffff8153e128>] wait_for_completion+0x18/0x20
[ 3618.615776]  [<ffffffffa0221ee0>] xfs_buf_iowait+0x60/0xd0 [xfs]
[ 3618.615776]  [<ffffffffa0217031>] ? xfs_trans_read_buf+0x1f1/0x450 [xfs]
[ 3618.615776]  [<ffffffffa0221f9e>] _xfs_buf_read+0x4e/0x50 [xfs]
[ 3618.615776]  [<ffffffffa022203c>] xfs_buf_read+0x9c/0xf0 [xfs]
[ 3618.615776]  [<ffffffffa0217031>] xfs_trans_read_buf+0x1f1/0x450 [xfs]
[ 3618.615776]  [<ffffffffa01e5f38>] xfs_btree_read_buf_block+0x58/0xb0 [xfs]
[ 3618.615776]  [<ffffffffa01e5328>] ? xfs_btree_check_sblock+0xf8/0x160 [xfs]
[ 3618.615776]  [<ffffffffa01e65ef>] xfs_btree_lookup_get_block+0x7f/0xd0 [xfs]
[ 3618.615776]  [<ffffffffa01e6c3f>] xfs_btree_lookup+0xbf/0x450 [xfs]
[ 3618.615776]  [<ffffffffa01ce6f4>] xfs_alloc_lookup_eq+0x14/0x20 [xfs]
[ 3618.615776]  [<ffffffffa01cebb7>] xfs_alloc_fixup_trees+0x147/0x350 [xfs]
[ 3618.615776]  [<ffffffffa01d1c83>] ? xfs_allocbt_init_cursor+0x43/0xb0 [xfs]
[ 3618.615776]  [<ffffffffa01cfa89>] xfs_alloc_ag_vextent_size+0x369/0x520 [xfs]
[ 3618.615776]  [<ffffffffa01d0846>] xfs_alloc_ag_vextent+0xa6/0x120 [xfs]
[ 3618.615776]  [<ffffffffa01d1820>] xfs_alloc_vextent+0x260/0x5d0 [xfs]
[ 3618.615776]  [<ffffffffa01db991>] xfs_bmap_btalloc+0x431/0x9d0 [xfs]
[ 3618.615776]  [<ffffffffa01feda7>] ? xfs_iext_bno_to_ext+0x97/0x180 [xfs]
[ 3618.615776]  [<ffffffffa01dc2ac>] xfs_bmap_alloc+0x1c/0x30 [xfs]
[ 3618.615776]  [<ffffffffa01e29e6>] xfs_bmapi+0x4a6/0x1120 [xfs]
[ 3618.615776]  [<ffffffff8111d83e>] ? new_slab+0x11e/0x190
[ 3618.615776]  [<ffffffffa02099b9>] ? xlog_grant_log_space+0x2d9/0x440 [xfs]
[ 3618.615776]  [<ffffffff8153f079>] ? down_write+0x19/0x20
[ 3618.615776]  [<ffffffffa0204448>] xfs_iomap_write_allocate+0x238/0x3b0 [xfs]
[ 3618.615776]  [<ffffffff810e58a8>] ? mempool_alloc+0x68/0x140
[ 3618.615776]  [<ffffffff812854a6>] ? __up_read+0x46/0xc0
[ 3618.615776]  [<ffffffffa020513d>] xfs_iomap+0x34d/0x410 [xfs]
[ 3618.615776]  [<ffffffffa021d937>] xfs_map_blocks+0x27/0x30 [xfs]
[ 3618.615776]  [<ffffffffa021edc5>] xfs_page_state_convert+0x2d5/0x6b0 [xfs]
[ 3618.615776]  [<ffffffffa021f332>] xfs_vm_writepage+0x82/0x150 [xfs]
[ 3618.615776]  [<ffffffff810f0738>] pageout+0xd8/0x1a0
[ 3618.615776]  [<ffffffff810f0a77>] shrink_page_list+0x277/0x540
[ 3618.615776]  [<ffffffff8128d477>] ? __sg_alloc_table+0x77/0x130
[ 3618.615776]  [<ffffffff810f12a5>] shrink_inactive_list+0x295/0x680
[ 3618.615776]  [<ffffffff81271620>] ? pre_flush_end_io+0x0/0x40
[ 3618.615776]  [<ffffffff8127129e>] ? queue_flush+0x7e/0x90
[ 3618.615776]  [<ffffffff81271154>] ? blk_ordered_complete_seq+0x34/0x80
[ 3618.615776]  [<ffffffff812713d7>] ? blk_do_ordered+0x127/0x2f0
[ 3618.615776]  [<ffffffff810f16e1>] shrink_list+0x51/0xa0
[ 3618.615776]  [<ffffffff810f18f9>] shrink_zone+0x1c9/0x1e0
[ 3618.615776]  [<ffffffff810f2423>] shrink_zones+0x63/0xf0
[ 3618.615776]  [<ffffffffa01e9f16>] ? xfs_btree_delete+0x36/0xc0 [xfs]
[ 3618.615776]  [<ffffffff810f2520>] do_try_to_free_pages+0x70/0x270
[ 3618.615776]  [<ffffffff810e9e4b>] ? get_page_from_freelist+0x2db/0x450
[ 3618.615776]  [<ffffffff810f2960>] try_to_free_pages+0xa0/0xc0
[ 3618.615776]  [<ffffffff810f0fc0>] ? isolate_pages_global+0x0/0x50
[ 3618.615776]  [<ffffffff810ea21d>] __alloc_pages_slowpath+0x25d/0x540
[ 3618.615776]  [<ffffffff81030899>] ? default_spin_lock_flags+0x9/0x10
[ 3618.615776]  [<ffffffff810ea646>] __alloc_pages_nodemask+0x146/0x180
[ 3618.615776]  [<ffffffff81118657>] alloc_pages_current+0x87/0xd0
[ 3618.615776]  [<ffffffff8111d697>] allocate_slab+0x117/0x1a0
[ 3618.615776]  [<ffffffff8111d74b>] new_slab+0x2b/0x190
[ 3618.615776]  [<ffffffff8111f931>] __slab_alloc+0x121/0x240
[ 3618.615776]  [<ffffffffa021d10d>] ? kmem_zone_alloc+0x5d/0xd0 [xfs]
[ 3618.615776]  [<ffffffffa021d10d>] ? kmem_zone_alloc+0x5d/0xd0 [xfs]
[ 3618.615776]  [<ffffffff8111fe50>] kmem_cache_alloc+0xf0/0x130
[ 3618.615776]  [<ffffffffa021d10d>] kmem_zone_alloc+0x5d/0xd0 [xfs]
[ 3618.615776]  [<ffffffffa021d199>] kmem_zone_zalloc+0x19/0x50 [xfs]
[ 3618.615776]  [<ffffffffa0214aac>] _xfs_trans_alloc+0x2c/0x70 [xfs]
[ 3618.615776]  [<ffffffffa0214c57>] xfs_trans_alloc+0x97/0xb0 [xfs]
[ 3618.615776]  [<ffffffffa01fd1e6>] ? xfs_iunlock+0x86/0xf0 [xfs]
[ 3618.615776]  [<ffffffffa02042f1>] xfs_iomap_write_allocate+0xe1/0x3b0 [xfs]
[ 3618.615776]  [<ffffffff810e5831>] ? mempool_alloc_slab+0x11/0x20
[ 3618.615776]  [<ffffffff812854a6>] ? __up_read+0x46/0xc0
[ 3618.615776]  [<ffffffffa020513d>] xfs_iomap+0x34d/0x410 [xfs]
[ 3618.615776]  [<ffffffff8126dfc3>] ? submit_bio+0x73/0x100
[ 3618.615776]  [<ffffffffa021d937>] xfs_map_blocks+0x27/0x30 [xfs]
[ 3618.615776]  [<ffffffffa021edc5>] xfs_page_state_convert+0x2d5/0x6b0 [xfs]
[ 3618.615776]  [<ffffffff81284a30>] ? radix_tree_gang_lookup_tag_slot+0x90/0xd0
[ 3618.615776]  [<ffffffffa021f332>] xfs_vm_writepage+0x82/0x150 [xfs]
[ 3618.615776]  [<ffffffff810eb2d2>] __writepage+0x12/0x40
[ 3618.615776]  [<ffffffff810ec612>] write_cache_pages+0x262/0x3b0
[ 3618.615776]  [<ffffffff810eb2c0>] ? __writepage+0x0/0x40
[ 3618.615776]  [<ffffffff810ec77f>] generic_writepages+0x1f/0x30
[ 3618.615776]  [<ffffffffa021d8fa>] xfs_vm_writepages+0x5a/0x70 [xfs]
[ 3618.615776]  [<ffffffff810ec7ac>] do_writepages+0x1c/0x30
[ 3618.615776]  [<ffffffff8114bf55>] writeback_single_inode+0xb5/0x270
[ 3618.615776]  [<ffffffff8114c6e6>] writeback_inodes_wb+0xf6/0x1b0
[ 3618.615776]  [<ffffffff8114c8ef>] wb_writeback+0x14f/0x200
[ 3618.615776]  [<ffffffff810bd0b9>] ? call_rcu+0x9/0x10
[ 3618.615776]  [<ffffffff8114ca9e>] ? wb_work_complete+0x2e/0x60
[ 3618.615776]  [<ffffffff8114cb6c>] wb_do_writeback+0x2c/0xc0
[ 3618.615776]  [<ffffffff8114cc38>] bdi_writeback_task+0x38/0xc0
[ 3618.615776]  [<ffffffff810fbf00>] ? bdi_start_fn+0x0/0x100
[ 3618.615776]  [<ffffffff810fbf87>] bdi_start_fn+0x87/0x100
[ 3618.615776]  [<ffffffff810fbf00>] ? bdi_start_fn+0x0/0x100
[ 3618.615776]  [<ffffffff8107992e>] kthread+0x8e/0xa0
[ 3618.615776]  [<ffffffff8100ad24>] kernel_thread_helper+0x4/0x10
[ 3618.615776]  [<ffffffff810798a0>] ? kthread+0x0/0xa0
[ 3618.615776]  [<ffffffff8100ad20>] ? kernel_thread_helper+0x0/0x10
[ 3618.615776] Code: 
c0 
5b 
01 
00 
48 
89 
e5 
48 
83 
ec 
20 
48 
89 
5d 
e8 
4c 
89 
65 
f0 
48 
89 
f3 
4c 
89 
6d 
f8 
48 
8b 
56 
08 
49 
89 
fc 
4c 
8b 
ae 
a0 
01 
00 
00 
8b 
52 
18 

03 
04 
d5 
a0 
9b 
ab 
81 
48 
39 
0f 
85 
a2 
00 
00 
00 
f6 
05 
9b 
e7 

[ 3618.615776] RIP 
[<ffffffff8104b9cf>] hrtick_start_fair+0x2f/0x100
[ 3618.615776]  RSP <ffff88007c8e8040>
[ 3618.615776] CR2: 00000003661fa920
[ 3618.615776] ---[ end trace b4d7a2e5571c1a12 ]---
[ 3618.615776] Kernel panic - not syncing: Fatal exception in interrupt
[ 3618.615776] Pid: 4921, comm: flush-65:64 Tainted: G      D    2.6.33-020633-generic #020633
[ 3618.615776] Call Trace:
[ 3618.615776] Rebooting in 300 seconds..