Hi,
I recently updated kernel to 3.14.2 and now I see i/o subsystem hang in
few minutes after I start VirtualBox 4.3.10 machines (with Windows7).
messages.log below. It looks like every process that tries to access
/dev/md3 (even kworker and md3_resync) hangs forever.
Anyone has similar problems?
May 13 12:35:29 serenity kernel: kworker/u16:9 D 0000000000000000
0 112 2 0x00000000
May 13 12:35:29 serenity kernel: Workqueue: writeback
bdi_writeback_workfn (flush-9:3)
May 13 12:35:29 serenity kernel: ffff8804175177c0 0000000000000046
ffff88042fc575a0 ffff880417518000
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff880417517fd8
00000000000146c0 ffff880417518000
May 13 12:35:29 serenity kernel: 0000000034ca04fb ffff880417517710
ffff880412a11e10 ffff8804175177b8
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff81292817>] ?
check_blkcg_changed+0x57/0x210
May 13 12:35:29 serenity kernel: [<ffffffff81145d35>] ?
mempool_alloc_slab+0x15/0x20
May 13 12:35:29 serenity kernel: [<ffffffff8128ce7f>] ?
blk_throtl_bio+0x35f/0x940
May 13 12:35:29 serenity kernel: [<ffffffff81145d35>] ?
mempool_alloc_slab+0x15/0x20
May 13 12:35:29 serenity kernel: [<ffffffff81145df1>] ?
mempool_alloc+0x61/0x170
May 13 12:35:29 serenity kernel: [<ffffffffa04fe523>] ?
__ext4_handle_dirty_metadata+0x83/0x1a0 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa048a666>]
wait_barrier+0xc6/0x190 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa048eca4>]
make_request+0x44/0x130 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffffa0458a83>]
md_make_request+0x103/0x260 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffff81145d35>] ?
mempool_alloc_slab+0x15/0x20
May 13 12:35:29 serenity kernel: [<ffffffff81145df1>] ?
mempool_alloc+0x61/0x170
May 13 12:35:29 serenity kernel: [<ffffffff8126f728>]
generic_make_request+0xf8/0x150
May 13 12:35:29 serenity kernel: [<ffffffff8126f7f8>] submit_bio+0x78/0x190
May 13 12:35:29 serenity kernel: [<ffffffff811ef800>]
_submit_bh+0x140/0x230
May 13 12:35:29 serenity kernel: [<ffffffff811f1379>]
__block_write_full_page+0x129/0x370
May 13 12:35:29 serenity kernel: [<ffffffff811f4c70>] ? I_BDEV+0x10/0x10
May 13 12:35:29 serenity kernel: [<ffffffff811f17d2>]
block_write_full_page_endio+0xb2/0x150
May 13 12:35:29 serenity kernel: [<ffffffff811f1885>]
block_write_full_page+0x15/0x20
May 13 12:35:29 serenity kernel: [<ffffffff811f53f8>]
blkdev_writepage+0x18/0x20
May 13 12:35:29 serenity kernel: [<ffffffff8114e0f3>] __writepage+0x13/0x40
May 13 12:35:29 serenity kernel: [<ffffffff8114e680>]
write_cache_pages+0x1e0/0x4d0
May 13 12:35:29 serenity kernel: [<ffffffff8114e0e0>] ?
mapping_tagged+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffff8114e9bd>]
generic_writepages+0x4d/0x80
May 13 12:35:29 serenity kernel: [<ffffffff811504ee>]
do_writepages+0x1e/0x30
May 13 12:35:29 serenity kernel: [<ffffffff811e5dc0>]
__writeback_single_inode+0x40/0x2b0
May 13 12:35:29 serenity kernel: [<ffffffff811e72ca>]
writeback_sb_inodes+0x26a/0x430
May 13 12:35:29 serenity kernel: [<ffffffff811e752f>]
__writeback_inodes_wb+0x9f/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff811e778b>]
wb_writeback+0x22b/0x360
May 13 12:35:29 serenity kernel: [<ffffffff811d4361>] ?
get_nr_inodes+0x51/0x70
May 13 12:35:29 serenity kernel: [<ffffffff811e7d5f>]
bdi_writeback_workfn+0x33f/0x4c0
May 13 12:35:29 serenity kernel: [<ffffffff81088068>]
process_one_work+0x168/0x450
May 13 12:35:29 serenity kernel: [<ffffffff81088ac2>]
worker_thread+0x132/0x3e0
May 13 12:35:29 serenity kernel: [<ffffffff81088990>] ?
manage_workers.isra.23+0x2d0/0x2d0
May 13 12:35:29 serenity kernel: [<ffffffff8108f2ea>] kthread+0xea/0x100
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: [<ffffffff8151757c>]
ret_from_fork+0x7c/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: jbd2/md3-8 D 0000000000000000
0 496 2 0x00000000
May 13 12:35:29 serenity kernel: ffff8804136e5ca0 0000000000000046
0000000000000001 ffff88041963ce80
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8804136e5fd8
00000000000146c0 ffff88041963ce80
May 13 12:35:29 serenity kernel: ffff8804136e5bf0 ffffffff8119d6e6
0000000000000046 0000000000000000
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff8119d6e6>] ?
kmem_cache_free+0x216/0x240
May 13 12:35:29 serenity kernel: [<ffffffff810ba100>] ?
cpuacct_charge+0x50/0x60
May 13 12:35:29 serenity kernel: [<ffffffff810a991c>] ?
update_curr+0xec/0x1b0
May 13 12:35:29 serenity kernel: [<ffffffff810a9e8f>] ?
dequeue_entity+0x13f/0x580
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa049a7e5>]
jbd2_journal_commit_transaction+0x215/0x19c0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8101567f>] ?
__switch_to+0x1af/0x540
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffff8107928e>] ?
try_to_del_timer_sync+0x5e/0x90
May 13 12:35:29 serenity kernel: [<ffffffffa04a1c4c>]
kjournald2+0xec/0x2a0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa04a1b60>] ?
commit_timeout+0x10/0x10 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8108f2ea>] kthread+0xea/0x100
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: [<ffffffff8151757c>]
ret_from_fork+0x7c/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: md3_resync D 0000000000000000
0 1297 2 0x00000000
May 13 12:35:29 serenity kernel: ffff8800c3fb1b48 0000000000000046
ffff88042fff9d80 ffff88040634ebf0
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8800c3fb1fd8
00000000000146c0 ffff88040634ebf0
May 13 12:35:29 serenity kernel: ffffffff81b0acc0 0000000000011200
0000000000000000 ffff88040634ebf0
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff81190861>] ?
alloc_pages_current+0xb1/0x160
May 13 12:35:29 serenity kernel: [<ffffffffa048af79>] ?
r10buf_pool_alloc+0x1b9/0x2b0 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa048a505>]
raise_barrier+0x135/0x1a0 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa048b2cf>]
sync_request+0x25f/0x19b0 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffffa045cdb6>] ?
is_mddev_idle+0x136/0x170 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffffa0460593>]
md_do_sync+0x8c3/0xe40 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa045ca90>] ?
md_register_thread+0xe0/0xe0 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffffa045cbe5>]
md_thread+0x155/0x160 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffffa045ca90>] ?
md_register_thread+0xe0/0xe0 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffff8108f2ea>] kthread+0xea/0x100
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: [<ffffffff8151757c>]
ret_from_fork+0x7c/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: thunderbird D 0000000000000000
0 1323 1 0x00000004
May 13 12:35:29 serenity kernel: ffff8804044b3b60 0000000000000086
ffff880419674000 ffff88040634ce80
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8804044b3fd8
00000000000146c0 ffff88040634ce80
May 13 12:35:29 serenity kernel: ffffffff810b3aa4 0000000000000000
ffff8804044ef400 0000000070efd2c9
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff810b3aa4>] ?
add_wait_queue+0x44/0x50
May 13 12:35:29 serenity kernel: [<ffffffff810b3b4d>] ?
remove_wait_queue+0x4d/0x60
May 13 12:35:29 serenity kernel: [<ffffffff811ce4f3>] ?
poll_freewait+0x53/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff811cf6fa>] ?
do_sys_poll+0x14a/0x570
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa049708d>]
wait_transaction_locked+0x8d/0xd0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa04973c2>]
start_this_handle+0x262/0x610 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8119c95a>] ?
kmem_cache_alloc+0x1fa/0x220
May 13 12:35:29 serenity kernel: [<ffffffffa0497b8b>]
jbd2__journal_start+0xfb/0x210 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>] ?
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04fdead>]
__ext4_journal_start_sb+0x6d/0x110 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>]
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811e65d8>]
__mark_inode_dirty+0x38/0x2d0
May 13 12:35:29 serenity kernel: [<ffffffff811d55e1>] update_time+0x81/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff811d5729>]
touch_atime+0xf9/0x170
May 13 12:35:29 serenity kernel: [<ffffffff81145b1a>]
generic_file_aio_read+0x54a/0x720
May 13 12:35:29 serenity kernel: [<ffffffff811ba137>]
do_sync_read+0x67/0xa0
May 13 12:35:29 serenity kernel: [<ffffffff811ba797>] vfs_read+0x97/0x160
May 13 12:35:29 serenity kernel: [<ffffffff811bb2e9>] SyS_read+0x59/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff81517629>]
system_call_fastpath+0x16/0x1b
May 13 12:35:29 serenity kernel: Chrome_FileUser D 0000000000000000
0 1410 1 0x00000000
May 13 12:35:29 serenity kernel: ffff8803f9a79b60 0000000000000082
ffffffff810a98a9 ffff8803fa9b2740
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8803f9a79fd8
00000000000146c0 ffff8803fa9b2740
May 13 12:35:29 serenity kernel: ffff8803fb2e7000 ffff8803fb2e6e00
ffff88042fcd4738 ffff8803fb2e6e00
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff810a98a9>] ?
update_curr+0x79/0x1b0
May 13 12:35:29 serenity kernel: [<ffffffff810a9e8f>] ?
dequeue_entity+0x13f/0x580
May 13 12:35:29 serenity kernel: [<ffffffff810a57f8>] ?
__enqueue_entity+0x78/0x80
May 13 12:35:29 serenity kernel: [<ffffffff810aa3f0>] ?
dequeue_task_fair+0x120/0x530
May 13 12:35:29 serenity kernel: [<ffffffff810a41a5>] ?
sched_clock_cpu+0xb5/0xe0
May 13 12:35:29 serenity kernel: [<ffffffff810156c1>] ?
__switch_to+0x1f1/0x540
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa049708d>]
wait_transaction_locked+0x8d/0xd0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa04973c2>]
start_this_handle+0x262/0x610 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8119c95a>] ?
kmem_cache_alloc+0x1fa/0x220
May 13 12:35:29 serenity kernel: [<ffffffffa0497b8b>]
jbd2__journal_start+0xfb/0x210 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>] ?
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04fdead>]
__ext4_journal_start_sb+0x6d/0x110 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>]
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811e65d8>]
__mark_inode_dirty+0x38/0x2d0
May 13 12:35:29 serenity kernel: [<ffffffff811d55e1>] update_time+0x81/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff811d5729>]
touch_atime+0xf9/0x170
May 13 12:35:29 serenity kernel: [<ffffffff81145b1a>]
generic_file_aio_read+0x54a/0x720
May 13 12:35:29 serenity kernel: [<ffffffff811ba137>]
do_sync_read+0x67/0xa0
May 13 12:35:29 serenity kernel: [<ffffffff811ba797>] vfs_read+0x97/0x160
May 13 12:35:29 serenity kernel: [<ffffffff811bb2e9>] SyS_read+0x59/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff81517629>]
system_call_fastpath+0x16/0x1b
May 13 12:35:29 serenity kernel: Chrome_CacheThr D 0000000000000000
0 1412 1 0x00000000
May 13 12:35:29 serenity kernel: ffff8803faf09ab0 0000000000000082
0000000000000001 ffff8803fa9b3ae0
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8803faf09fd8
00000000000146c0 ffff8803fa9b3ae0
May 13 12:35:29 serenity kernel: ffffffff810acfa3 00000000cb458df0
ffff880419600700 00000000000146c0
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff810acfa3>] ?
find_busiest_group+0x143/0x8b0
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa049708d>]
wait_transaction_locked+0x8d/0xd0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa04973c2>]
start_this_handle+0x262/0x610 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8119c95a>] ?
kmem_cache_alloc+0x1fa/0x220
May 13 12:35:29 serenity kernel: [<ffffffffa0497b8b>]
jbd2__journal_start+0xfb/0x210 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>] ?
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04fdead>]
__ext4_journal_start_sb+0x6d/0x110 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>]
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811e65d8>]
__mark_inode_dirty+0x38/0x2d0
May 13 12:35:29 serenity kernel: [<ffffffff811d55e1>] update_time+0x81/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff811d5840>]
file_update_time+0xa0/0xf0
May 13 12:35:29 serenity kernel: [<ffffffff81144a2c>]
__generic_file_aio_write+0x14c/0x3e0
May 13 12:35:29 serenity kernel: [<ffffffff81144d13>]
generic_file_aio_write+0x53/0xe0
May 13 12:35:29 serenity kernel: [<ffffffffa04c6261>]
ext4_file_write+0xb1/0x4e0 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811c3a59>] ?
pipe_read+0x509/0x520
May 13 12:35:29 serenity kernel: [<ffffffff811ba1d7>]
do_sync_write+0x67/0xa0
May 13 12:35:29 serenity kernel: [<ffffffff811ba91a>] vfs_write+0xba/0x1e0
May 13 12:35:29 serenity kernel: [<ffffffff811bb58a>]
SyS_pwrite64+0x9a/0xc0
May 13 12:35:29 serenity kernel: [<ffffffff81517629>]
system_call_fastpath+0x16/0x1b
May 13 12:35:29 serenity kernel: BrowserBlocking D 0000000000000000
0 1431 1 0x00000000
May 13 12:35:29 serenity kernel: ffff8800c0871ab8 0000000000000082
0000000000000000 ffff8803fc463ae0
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8800c0871fd8
00000000000146c0 ffff8803fc463ae0
May 13 12:35:29 serenity kernel: ffff8800cb458f40 ffff8800c0871a10
ffffffff8114323f ffff8800cb458d00
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff8114323f>] ?
find_get_page+0x5f/0xc0
May 13 12:35:29 serenity kernel: [<ffffffff811ed988>] ?
__find_get_block_slow+0xc8/0x170
May 13 12:35:29 serenity kernel: [<ffffffff811ed2b0>] ?
generic_block_bmap+0x70/0x70
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffff8150b8f4>] io_schedule+0x94/0xf0
May 13 12:35:29 serenity kernel: [<ffffffff811ed2be>]
sleep_on_buffer+0xe/0x20
May 13 12:35:29 serenity kernel: [<ffffffff8150bce3>]
__wait_on_bit+0x83/0xa0
May 13 12:35:29 serenity kernel: [<ffffffff811ed2b0>] ?
generic_block_bmap+0x70/0x70
May 13 12:35:29 serenity kernel: [<ffffffff8150bd87>]
out_of_line_wait_on_bit+0x87/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff810b4060>] ?
autoremove_wake_function+0x40/0x40
May 13 12:35:29 serenity kernel: [<ffffffff811ed3aa>]
__wait_on_buffer+0x2a/0x30
May 13 12:35:29 serenity kernel: [<ffffffffa04d6b3d>]
ext4_find_entry+0x3bd/0x4f0 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04d6cda>]
ext4_lookup+0x6a/0x170 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811c46ed>] lookup_real+0x1d/0x70
May 13 12:35:29 serenity kernel: [<ffffffff811c9229>]
do_last.isra.36+0x539/0xe30
May 13 12:35:29 serenity kernel: [<ffffffff811c7785>] ?
path_init+0x335/0x410
May 13 12:35:29 serenity kernel: [<ffffffff811c9be7>]
path_openat+0xc7/0x6e0
May 13 12:35:29 serenity kernel: [<ffffffff810a0c0f>] ?
try_to_wake_up+0x1ff/0x2e0
May 13 12:35:29 serenity kernel: [<ffffffff811cb40d>]
do_filp_open+0x4d/0xc0
May 13 12:35:29 serenity kernel: [<ffffffff811d82d7>] ?
__alloc_fd+0xa7/0x130
May 13 12:35:29 serenity kernel: [<ffffffff811b9cbe>]
do_sys_open+0x14e/0x250
May 13 12:35:29 serenity kernel: [<ffffffff811b9dde>] SyS_open+0x1e/0x20
May 13 12:35:29 serenity kernel: [<ffffffff81517629>]
system_call_fastpath+0x16/0x1b
May 13 12:35:29 serenity kernel: BrowserBlocking D 0000000000000000
0 1432 1 0x00000000
May 13 12:35:29 serenity kernel: ffff8803fa099b60 0000000000000082
ffff88041f00be00 ffff8800bf7af5c0
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8803fa099fd8
00000000000146c0 ffff8800bf7af5c0
May 13 12:35:29 serenity kernel: ffff8803fa099aa8 ffffffff8109cb2a
ffff880419600700 ffff88041f00be00
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff8109cb2a>] ?
update_rq_clock.part.78+0x1a/0x130
May 13 12:35:29 serenity kernel: [<ffffffff8101f575>] ?
native_sched_clock+0x35/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff8101f5f9>] ?
sched_clock+0x9/0x10
May 13 12:35:29 serenity kernel: [<ffffffff810a41a5>] ?
sched_clock_cpu+0xb5/0xe0
May 13 12:35:29 serenity kernel: [<ffffffff810156c1>] ?
__switch_to+0x1f1/0x540
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa049708d>]
wait_transaction_locked+0x8d/0xd0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa04973c2>]
start_this_handle+0x262/0x610 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8119c95a>] ?
kmem_cache_alloc+0x1fa/0x220
May 13 12:35:29 serenity kernel: [<ffffffffa0497b8b>]
jbd2__journal_start+0xfb/0x210 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>] ?
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04fdead>]
__ext4_journal_start_sb+0x6d/0x110 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04d233a>]
ext4_dirty_inode+0x2a/0x60 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811e65d8>]
__mark_inode_dirty+0x38/0x2d0
May 13 12:35:29 serenity kernel: [<ffffffff811d55e1>] update_time+0x81/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff811d5729>]
touch_atime+0xf9/0x170
May 13 12:35:29 serenity kernel: [<ffffffff81145b1a>]
generic_file_aio_read+0x54a/0x720
May 13 12:35:29 serenity kernel: [<ffffffff811ba137>]
do_sync_read+0x67/0xa0
May 13 12:35:29 serenity kernel: [<ffffffff811ba797>] vfs_read+0x97/0x160
May 13 12:35:29 serenity kernel: [<ffffffff811bb2e9>] SyS_read+0x59/0xd0
May 13 12:35:29 serenity kernel: [<ffffffff81517629>]
system_call_fastpath+0x16/0x1b
May 13 12:35:29 serenity kernel: loop0 D 0000000000000000
0 1660 2 0x00000000
May 13 12:35:29 serenity kernel: ffff8803fc1d58a8 0000000000000046
ffff8803fc1d58b8 ffff88041963b110
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8803fc1d5fd8
00000000000146c0 ffff88041963b110
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff88041963b110
ffff8800cbb93e68 ffff880417806f78
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff810a0d52>] ?
default_wake_function+0x12/0x20
May 13 12:35:29 serenity kernel: [<ffffffff810b4032>] ?
autoremove_wake_function+0x12/0x40
May 13 12:35:29 serenity kernel: [<ffffffff810b3915>] ?
__wake_up_common+0x55/0x90
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa048a666>]
wait_barrier+0xc6/0x190 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa048eca4>]
make_request+0x44/0x130 [raid10]
May 13 12:35:29 serenity kernel: [<ffffffffa0458a83>]
md_make_request+0x103/0x260 [md_mod]
May 13 12:35:29 serenity kernel: [<ffffffff81145df1>] ?
mempool_alloc+0x61/0x170
May 13 12:35:29 serenity kernel: [<ffffffff8126f728>]
generic_make_request+0xf8/0x150
May 13 12:35:29 serenity kernel: [<ffffffff8126f7f8>] submit_bio+0x78/0x190
May 13 12:35:29 serenity kernel: [<ffffffff8114e02f>] ?
test_set_page_writeback+0x14f/0x1e0
May 13 12:35:29 serenity kernel: [<ffffffffa04d3125>]
ext4_io_submit+0x25/0x50 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04d3393>]
ext4_bio_write_page+0x213/0x320 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04cad7a>]
mpage_submit_page+0x5a/0x80 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04caeb0>]
mpage_process_page_bufs+0x110/0x120 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04cb0a0>]
mpage_prepare_extent_to_map+0x1e0/0x300 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa0497b8b>] ?
jbd2__journal_start+0xfb/0x210 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffffa04cf400>] ?
ext4_writepages+0x3c0/0xd20 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04fdead>] ?
__ext4_journal_start_sb+0x6d/0x110 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffffa04cf42b>]
ext4_writepages+0x3eb/0xd20 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811504ee>]
do_writepages+0x1e/0x30
May 13 12:35:29 serenity kernel: [<ffffffff811445ed>]
__filemap_fdatawrite_range+0x5d/0x80
May 13 12:35:29 serenity kernel: [<ffffffff8114470a>]
filemap_write_and_wait_range+0x2a/0x70
May 13 12:35:29 serenity kernel: [<ffffffffa04c67a0>]
ext4_sync_file+0x110/0x370 [ext4]
May 13 12:35:29 serenity kernel: [<ffffffff811eb8a6>] vfs_fsync+0x26/0x40
May 13 12:35:29 serenity kernel: [<ffffffffa0eaefb2>]
loop_thread+0x392/0x6a0 [loop]
May 13 12:35:29 serenity kernel: [<ffffffffa0eae8e0>] ?
__do_lo_send_write+0x120/0x120 [loop]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa0eaec20>] ?
lo_receive+0x210/0x210 [loop]
May 13 12:35:29 serenity kernel: [<ffffffff8108f2ea>] kthread+0xea/0x100
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: [<ffffffff8151757c>]
ret_from_fork+0x7c/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: jbd2/dm-0-8 D 0000000000000000
0 1732 2 0x00000000
May 13 12:35:29 serenity kernel: ffff8803fc331bb8 0000000000000046
0000000000000000 ffff8803fa4f6220
May 13 12:35:29 serenity kernel: 00000000000146c0 ffff8803fc331fd8
00000000000146c0 ffff8803fa4f6220
May 13 12:35:29 serenity kernel: ffff8803fc331b18 ffffffff810b3ba4
ffff88041892d200 0000000000000001
May 13 12:35:29 serenity kernel: Call Trace:
May 13 12:35:29 serenity kernel: [<ffffffff810b3ba4>] ? __wake_up+0x44/0x50
May 13 12:35:29 serenity kernel: [<ffffffffa0eae70d>] ?
loop_make_request+0x11d/0x1d0 [loop]
May 13 12:35:29 serenity kernel: [<ffffffff811ed2b0>] ?
generic_block_bmap+0x70/0x70
May 13 12:35:29 serenity kernel: [<ffffffff8150b609>] schedule+0x29/0x70
May 13 12:35:29 serenity kernel: [<ffffffff8150b8f4>] io_schedule+0x94/0xf0
May 13 12:35:29 serenity kernel: [<ffffffff811ed2be>]
sleep_on_buffer+0xe/0x20
May 13 12:35:29 serenity kernel: [<ffffffff8150bce3>]
__wait_on_bit+0x83/0xa0
May 13 12:35:29 serenity kernel: [<ffffffff811ed2b0>] ?
generic_block_bmap+0x70/0x70
May 13 12:35:29 serenity kernel: [<ffffffff8150bd87>]
out_of_line_wait_on_bit+0x87/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff810b4060>] ?
autoremove_wake_function+0x40/0x40
May 13 12:35:29 serenity kernel: [<ffffffff811ed3aa>]
__wait_on_buffer+0x2a/0x30
May 13 12:35:29 serenity kernel: [<ffffffffa049bf4a>]
jbd2_journal_commit_transaction+0x197a/0x19c0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffffa04a1c4c>]
kjournald2+0xec/0x2a0 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff810b4020>] ?
__wake_up_sync+0x20/0x20
May 13 12:35:29 serenity kernel: [<ffffffffa04a1b60>] ?
commit_timeout+0x10/0x10 [jbd2]
May 13 12:35:29 serenity kernel: [<ffffffff8108f2ea>] kthread+0xea/0x100
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
May 13 12:35:29 serenity kernel: [<ffffffff8151757c>]
ret_from_fork+0x7c/0xb0
May 13 12:35:29 serenity kernel: [<ffffffff8108f200>] ?
kthread_create_on_node+0x1a0/0x1a0
