Hi All,
Just found this stack trace in dmesg while running a scrub on one of my file
systems. I haven’t seen this reported yet so I thought I should report it ☺
All filesystems are raid1.
vm-server ~ # btrfs fi sh
Label: 'Root' uuid: 58d27dbd-7c1e-4ef7-8d43-e93df1537b08
Total devices 2 FS bytes used 21.29GiB
devid 3 size 40.00GiB used 40.00GiB path /dev/sde3
devid 4 size 40.00GiB used 40.00GiB path /dev/sdd3
Label: 'storage' uuid: df3d4a9c-ed6c-4867-8991-a018276f6f3c
Total devices 5 FS bytes used 2.24TiB
devid 6 size 2.69TiB used 2.10TiB path /dev/sda1
devid 7 size 901.92GiB used 422.00GiB path /dev/sdf1
devid 8 size 892.25GiB used 410.00GiB path /dev/sdg1
devid 9 size 892.25GiB used 412.00GiB path /dev/sdh1
devid 10 size 2.73TiB used 2.08TiB path /dev/sdb2
Label: 'Fast' uuid: 9baf63f7-a9d6-456c-8fdd-1a8fdb21958f
Total devices 2 FS bytes used 352.54GiB
devid 2 size 407.12GiB used 407.12GiB path /dev/sde1
devid 3 size 407.12GiB used 407.12GiB path /dev/sdd1
Linux vm-server 3.17.1-gentoo-r1 #1 SMP PREEMPT Sat Oct 18 16:53:06 AEDT 2014
x86_64 Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz GenuineIntel GNU/Linux
[ 4372.838272] BTRFS: checksum error at logical 14375409094656 on dev /dev/sdb2,
sector 1565551496, root 5, inode 3082523, offset 6035542016, length 4096, links
1 (path: shared/backup/Normal/Paul-PC_2014_07_06_13_00_27_323D24.TIB)
[ 4372.838277] BTRFS: bdev /dev/sdb2 errs: wr 0, rd 0, flush 0, corrupt 16, gen
0
[ 4374.425936] BTRFS: fixed up error at logical 14375409094656 on dev /dev/sdb2
[ 4374.442320] BTRFS: checksum error at logical 14375409098752 on dev /dev/sdb2,
sector 1565551504, root 5, inode 3082523, offset 6035546112, length 4096, links
1 (path: shared/backup/Normal/Paul-PC_2014_07_06_13_00_27_323D24.TIB)
[ 4374.442325] BTRFS: bdev /dev/sdb2 errs: wr 0, rd 0, flush 0, corrupt 17, gen
0
[ 4374.475939] BTRFS: fixed up error at logical 14375409098752 on dev /dev/sdb2
[ 4374.476219] BTRFS: checksum error at logical 14375409102848 on dev /dev/sdb2,
sector 1565551512, root 5, inode 3082523, offset 6035550208, length 4096, links
1 (path: shared/backup/Normal/Paul-PC_2014_07_06_13_00_27_323D24.TIB)
[ 4374.476222] BTRFS: bdev /dev/sdb2 errs: wr 0, rd 0, flush 0, corrupt 18, gen
0
[ 4374.500941] BTRFS: fixed up error at logical 14375409102848 on dev /dev/sdb2
[ 4374.501569] BTRFS: checksum error at logical 14375409106944 on dev /dev/sdb2,
sector 1565551520, root 5, inode 3082523, offset 6035554304, length 4096, links
1 (path: shared/backup/Normal/Paul-PC_2014_07_06_13_00_27_323D24.TIB)
[ 4374.501572] BTRFS: bdev /dev/sdb2 errs: wr 0, rd 0, flush 0, corrupt 19, gen
0
[ 4374.534256] BTRFS: fixed up error at logical 14375409106944 on dev /dev/sdb2
[ 4374.534586] BTRFS: checksum error at logical 14375409111040 on dev /dev/sdb2,
sector 1565551528, root 5, inode 3082523, offset 6035558400, length 4096, links
1 (path: shared/backup/Normal/Paul-PC_2014_07_06_13_00_27_323D24.TIB)
[ 4374.534589] BTRFS: bdev /dev/sdb2 errs: wr 0, rd 0, flush 0, corrupt 20, gen
0
[ 4374.567606] BTRFS: fixed up error at logical 14375409111040 on dev /dev/sdb2
[ 5396.970316] INFO: task kworker/u16:8:7540 blocked for more than 120 seconds.
[ 5396.970318] Not tainted 3.17.1-gentoo-r1 #1
[ 5396.970319] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5396.970319] kworker/u16:8 D ffff880302e4a2a0 0 7540 2 0x00000000
[ 5396.970325] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-3)
[ 5396.970326] ffff88052741b6b8 0000000000000046 ffff8805fe758ab0
ffff8805fe758ab0
[ 5396.970328] 0000000000011480 0000000000004000 ffff8805ffa13610
ffff8805fe758ab0
[ 5396.970329] ffff8805fe758ab0 ffff88061f291480 0000000000011480
ffff8805fe758ab0
[ 5396.970331] Call Trace:
[ 5396.970336] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5396.970338] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5396.970341] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5396.970342] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5396.970343] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5396.970344] [<ffffffff811a6f5e>] run_delalloc_nocow+0x871/0x8bc
[ 5396.970346] [<ffffffff811a7009>] run_delalloc_range+0x60/0x2de
[ 5396.970348] [<ffffffff811b9462>] writepage_delalloc.isra.35+0xa1/0x125
[ 5396.970350] [<ffffffff811bb287>] __extent_writepage+0x135/0x1d9
[ 5396.970351] [<ffffffff811bb4c8>]
extent_write_cache_pages.isra.28.constprop.46+0x19d/0x2f0
[ 5396.970353] [<ffffffff811bba55>] extent_writepages+0x46/0x57
[ 5396.970354] [<ffffffff811a413b>] ? btrfs_update_inode_item+0xe9/0xe9
[ 5396.970355] [<ffffffff811a3097>] btrfs_writepages+0x23/0x25
[ 5396.970357] [<ffffffff810ac28b>] do_writepages+0x19/0x27
[ 5396.970358] [<ffffffff810fd1e9>] __writeback_single_inode+0x3e/0xf1
[ 5396.970359] [<ffffffff810fe089>] writeback_sb_inodes+0x1bf/0x2da
[ 5396.970360] [<ffffffff810fe213>] __writeback_inodes_wb+0x6f/0xb4
[ 5396.970361] [<ffffffff810fe359>] wb_writeback+0x101/0x192
[ 5396.970364] [<ffffffff810f2eac>] ? get_nr_inodes+0x3a/0x50
[ 5396.970365] [<ffffffff810fe5fc>] bdi_writeback_workfn+0x152/0x297
[ 5396.970367] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5396.970368] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5396.970369] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5396.970370] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5396.970372] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970374] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5396.970375] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970377] INFO: task kworker/u16:14:7688 blocked for more than 120 seconds.
[ 5396.970378] Not tainted 3.17.1-gentoo-r1 #1
[ 5396.970379] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5396.970379] kworker/u16:14 D ffff88061f211480 0 7688 2 0x00000000
[ 5396.970383] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5396.970384] ffff88051694bc28 0000000000000046 ffff88061f251480
ffff8805ffe3cf70
[ 5396.970385] 0000000000011480 0000000000004000 ffffffff817e2460
ffff8805ffe3cf70
[ 5396.970387] ffff88051694bb88 ffffffff811b7987 000004c8cb6bc278
ffff88040e81e930
[ 5396.970389] Call Trace:
[ 5396.970391] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5396.970392] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5396.970394] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5396.970396] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5396.970398] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5396.970399] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5396.970401] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5396.970403] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5396.970405] [<ffffffff8153a00c>] ? __schedule+0x6dc/0x847
[ 5396.970406] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5396.970408] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5396.970409] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5396.970410] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5396.970411] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5396.970412] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5396.970414] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5396.970415] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970416] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5396.970417] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970419] INFO: task kworker/u16:18:7692 blocked for more than 120 seconds.
[ 5396.970419] Not tainted 3.17.1-gentoo-r1 #1
[ 5396.970420] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5396.970420] kworker/u16:18 D ffff88061f211480 0 7692 2 0x00000000
[ 5396.970422] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5396.970423] ffff88051d573c28 0000000000000046 ffff88061f2d1480
ffff8805fe22e0d0
[ 5396.970424] 0000000000011480 0000000000004000 ffffffff817e2460
ffff8805fe22e0d0
[ 5396.970425] ffff88051d573b88 ffffffff811b7987 0000000000000bfc
ffff8805ec4e6930
[ 5396.970426] Call Trace:
[ 5396.970427] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5396.970428] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5396.970430] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5396.970431] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5396.970432] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5396.970433] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5396.970434] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5396.970435] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5396.970437] [<ffffffff8104b45b>] ? check_preempt_curr+0x3e/0x6d
[ 5396.970438] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5396.970440] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5396.970441] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5396.970442] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5396.970443] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5396.970444] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5396.970445] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5396.970447] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970448] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5396.970449] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970452] INFO: task kworker/u16:7:8315 blocked for more than 120 seconds.
[ 5396.970453] Not tainted 3.17.1-gentoo-r1 #1
[ 5396.970453] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5396.970454] kworker/u16:7 D ffff88061f211480 0 8315 2 0x00000000
[ 5396.970456] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5396.970456] ffff88038a06fc28 0000000000000046 ffff88061f391480
ffff8805fe780b30
[ 5396.970457] 0000000000011480 0000000000004000 ffffffff817e2460
ffff8805fe780b30
[ 5396.970459] ffff88038a06fb88 ffffffff811b7987 000004cc847fc5b9
ffff8800ae32c750
[ 5396.970460] Call Trace:
[ 5396.970461] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5396.970462] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5396.970463] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5396.970464] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5396.970465] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5396.970466] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5396.970467] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5396.970469] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5396.970470] [<ffffffff8153a00c>] ? __schedule+0x6dc/0x847
[ 5396.970471] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5396.970472] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5396.970474] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5396.970475] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5396.970476] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5396.970477] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5396.970478] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5396.970479] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5396.970480] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5396.970481] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5858.037250] BTRFS: defrag_file cancelled
[ 5996.595671] INFO: task kworker/u16:3:780 blocked for more than 120 seconds.
[ 5996.595673] Not tainted 3.17.1-gentoo-r1 #1
[ 5996.595674] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5996.595675] kworker/u16:3 D ffff88061f291480 0 780 2 0x00000000
[ 5996.595681] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5996.595682] ffff8805fe407c28 0000000000000046 ffff88061f2d1480
ffff8805fff4e3d0
[ 5996.595684] 0000000000011480 0000000000004000 ffff880600217150
ffff8805fff4e3d0
[ 5996.595685] ffff8805fe407b88 ffffffff811b7987 000005585c3cbe1b
ffff88000f6ef630
[ 5996.595686] Call Trace:
[ 5996.595689] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5996.595690] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5996.595693] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5996.595695] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5996.595698] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5996.595700] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5996.595701] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5996.595702] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5996.595704] [<ffffffff8153a00c>] ? __schedule+0x6dc/0x847
[ 5996.595705] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5996.595706] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5996.595708] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5996.595710] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5996.595711] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5996.595712] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5996.595713] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5996.595715] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595716] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5996.595717] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595742] INFO: task kworker/u16:6:6782 blocked for more than 120 seconds.
[ 5996.595743] Not tainted 3.17.1-gentoo-r1 #1
[ 5996.595743] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5996.595744] kworker/u16:6 D ffff88061f251480 0 6782 2 0x00000000
[ 5996.595746] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper
[ 5996.595746] ffff8800bce17cb8 0000000000000046 ffff88061f291480
ffff8800d7de8970
[ 5996.595747] 0000000000011480 0000000000004000 ffff88060020c0d0
ffff8800d7de8970
[ 5996.595749] ffff8800bce17c18 ffff8805f8d0bb20 0000000000000003
0000000000000000
[ 5996.595750] Call Trace:
[ 5996.595753] [<ffffffff8104dd11>] ? default_wake_function+0xd/0xf
[ 5996.595754] [<ffffffff8105b011>] ? autoremove_wake_function+0xf/0x32
[ 5996.595756] [<ffffffff8105aa54>] ? __wake_up_common+0x49/0x80
[ 5996.595757] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5996.595758] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5996.595759] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5996.595760] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5996.595761] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5996.595763] [<ffffffff811934e5>] delayed_ref_async_start+0x13/0x76
[ 5996.595765] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5996.595766] [<ffffffff811c7813>] btrfs_extent_refs_helper+0xd/0xf
[ 5996.595767] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5996.595768] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5996.595769] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5996.595770] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5996.595771] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595772] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5996.595773] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595775] INFO: task kworker/u16:1:7137 blocked for more than 120 seconds.
[ 5996.595775] Not tainted 3.17.1-gentoo-r1 #1
[ 5996.595776] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5996.595776] kworker/u16:1 D ffff88061f251480 0 7137 2 0x00000000
[ 5996.595778] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5996.595779] ffff88054d027c28 0000000000000046 ffff88061f3d1480
ffff8805ffd57510
[ 5996.595780] 0000000000011480 0000000000004000 ffff88060020c0d0
ffff8805ffd57510
[ 5996.595781] ffff88054d027b88 ffffffff811b7987 00000558e38a30b8
ffff8805f89fc4b0
[ 5996.595782] Call Trace:
[ 5996.595783] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5996.595784] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5996.595786] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5996.595787] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5996.595788] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5996.595789] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5996.595790] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5996.595791] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5996.595792] [<ffffffff8153a00c>] ? __schedule+0x6dc/0x847
[ 5996.595794] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5996.595795] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5996.595796] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5996.595797] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5996.595798] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5996.595799] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5996.595800] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5996.595802] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595803] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5996.595804] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595806] INFO: task kworker/u16:16:7690 blocked for more than 120 seconds.
[ 5996.595807] Not tainted 3.17.1-gentoo-r1 #1
[ 5996.595807] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5996.595808] kworker/u16:16 D ffff88061f251480 0 7690 2 0x00000000
[ 5996.595810] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5996.595810] ffff8800af957c28 0000000000000046 ffff88061f2d1480
ffff8805f09552d0
[ 5996.595811] 0000000000011480 0000000000004000 ffff88060020c0d0
ffff8805f09552d0
[ 5996.595812] ffff8800af957b88 ffffffff811b7987 00000558e652445e
ffff8805f89fca50
[ 5996.595814] Call Trace:
[ 5996.595815] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5996.595816] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5996.595817] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5996.595818] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5996.595819] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5996.595820] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5996.595821] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5996.595822] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5996.595824] [<ffffffff8153a00c>] ? __schedule+0x6dc/0x847
[ 5996.595825] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5996.595826] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5996.595827] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5996.595828] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5996.595829] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5996.595830] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5996.595832] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5996.595833] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595834] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5996.595835] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595837] INFO: task kworker/u16:24:7771 blocked for more than 120 seconds.
[ 5996.595837] Not tainted 3.17.1-gentoo-r1 #1
[ 5996.595838] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5996.595838] kworker/u16:24 D ffff88061f211480 0 7771 2 0x00000000
[ 5996.595840] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5996.595840] ffff88034fe77c28 0000000000000046 ffff88061f2d1480
ffff8805fdb5d210
[ 5996.595842] 0000000000011480 0000000000004000 ffffffff817e2460
ffff8805fdb5d210
[ 5996.595843] ffff88034fe77b88 ffffffff811b7987 ffff8803699a3940
ffff8805ec4c0ab0
[ 5996.595844] Call Trace:
[ 5996.595845] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5996.595846] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5996.595847] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5996.595848] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5996.595850] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5996.595851] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5996.595852] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5996.595853] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5996.595854] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5996.595855] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5996.595856] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5996.595857] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5996.595858] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5996.595859] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5996.595861] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5996.595862] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595863] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5996.595864] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595866] INFO: task kworker/u16:7:8315 blocked for more than 120 seconds.
[ 5996.595866] Not tainted 3.17.1-gentoo-r1 #1
[ 5996.595867] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 5996.595867] kworker/u16:7 D ffff88061f211480 0 8315 2 0x00000000
[ 5996.595869] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[ 5996.595870] ffff88038a06fc28 0000000000000046 ffff88061f351480
ffff8805fe780b30
[ 5996.595871] 0000000000011480 0000000000004000 ffffffff817e2460
ffff8805fe780b30
[ 5996.595872] ffff88038a06fb88 ffffffff811b7987 00000558154ec912
ffff88061c7be330
[ 5996.595873] Call Trace:
[ 5996.595874] [<ffffffff811b7987>] ? split_state+0xb1/0xd1
[ 5996.595875] [<ffffffff811b7f4d>] ? __set_extent_bit+0x3ac/0x406
[ 5996.595876] [<ffffffff8153a263>] schedule+0x65/0x67
[ 5996.595877] [<ffffffff811a0649>] wait_current_trans.isra.32+0x94/0xec
[ 5996.595879] [<ffffffff8105b002>] ? add_wait_queue+0x44/0x44
[ 5996.595880] [<ffffffff811a195e>] start_transaction+0x206/0x472
[ 5996.595881] [<ffffffff811a1c53>] btrfs_join_transaction+0x12/0x14
[ 5996.595882] [<ffffffff811a834a>] btrfs_finish_ordered_io+0x1c9/0x452
[ 5996.595883] [<ffffffff8153a00c>] ? __schedule+0x6dc/0x847
[ 5996.595884] [<ffffffff811a85e3>] finish_ordered_fn+0x10/0x12
[ 5996.595885] [<ffffffff811c7661>] normal_work_helper+0xbb/0x170
[ 5996.595887] [<ffffffff811c77c8>] btrfs_endio_write_helper+0xd/0xf
[ 5996.595888] [<ffffffff8104354f>] process_one_work+0x18a/0x2ad
[ 5996.595889] [<ffffffff810438fe>] worker_thread+0x262/0x361
[ 5996.595890] [<ffffffff8104369c>] ? process_scheduled_works+0x2a/0x2a
[ 5996.595891] [<ffffffff810470c9>] kthread+0xcd/0xd5
[ 5996.595892] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
[ 5996.595893] [<ffffffff8153d46c>] ret_from_fork+0x7c/0xb0
[ 5996.595894] [<ffffffff81046ffc>] ?
kthread_freezable_should_stop+0x43/0x43
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