* INFO: task btrfs-endio-wri:32643 blocked for more than 120 seconds
@ 2013-05-04 14:02 Konstantinos Skarlatos
0 siblings, 0 replies; only message in thread
From: Konstantinos Skarlatos @ 2013-05-04 14:02 UTC (permalink / raw)
To: linux-btrfs
I got these messages while I was rsyncing a large amount of data to my
btrfs filesystem
$ uname -r
3.9.0-2-ARCH
$ btrfs fi show --all-devices
Label: none uuid: 43da70c8-a76e-4d7f-8926-be5412b3d943
Total devices 5 FS bytes used 4.95TB
devid 2 size 1.82TB used 1.67TB path /dev/sdb
devid 3 size 1.82TB used 1.67TB path /dev/sda
devid 5 size 1.82TB used 1.67TB path /dev/sdc
devid 1 size 1.82TB used 1.67TB path /dev/sdd
devid 4 size 1.82TB used 1.67TB path /dev/sde
Btrfs v0.20-rc1-253-g7854c8b
$ btrfs fi df /storage/btrfs
Data, RAID0: total=7.98TB, used=4.93TB
Data: total=8.00MB, used=0.00
System, RAID1: total=8.00MB, used=448.00KB
System: total=4.00MB, used=0.00
Metadata, RAID1: total=187.00GB, used=18.70GB
Metadata: total=8.00MB, used=0.00
UUID=43da70c8-a76e-4d7f-8926-be5412b3d943 /storage/btrfs btrfs
noatime,compress-force=zlib,space_cache,inode_cache 0 1
[ 5.788101] Btrfs loaded
[ 5.788592] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 2
transid 82342 /dev/sdb
[ 5.788774] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 1
transid 82342 /dev/sdd
[ 5.789029] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 3
transid 82342 /dev/sda
[ 5.789551] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 5
transid 82342 /dev/sdc
[ 5.790003] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 4
transid 82342 /dev/sde
[ 6.085875] device fsid 43da70c8-a76e-4d7f-8926-be5412b3d943 devid 4
transid 82342 /dev/sde
[ 6.087891] btrfs: force zlib compression
[ 6.087907] btrfs: enabling inode map caching
[ 6.087912] btrfs: disk space caching is enabled
[ 6.188271] btrfs: bdev /dev/sdc errs: wr 335, rd 2, flush 0, corrupt
0, gen 0
[ 3263.277141] btrfs: csum mismatch on free space cache
[ 3263.277260] btrfs: failed to load free space cache for block group
40831549440
[ 3312.233565] btrfs: free space inode generation (0) did not match free
space cache generation (82330)
[221129.876129] INFO: task btrfs-endio-wri:32643 blocked for more than
120 seconds.
[221129.876271] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221129.876408] btrfs-endio-wri D ffff88000064cb60 0 32643 2 0x00000000
[221129.876419] ffff880002717c30 0000000000000046 0000000000014280
ffff880002717fd8
[221129.876429] ffff880002717fd8 0000000000014280 ffff88000064cb60
0000000000000000
[221129.876437] ffff880002717bc0 ffffffffa0a1540f 00007f5fa0a3523e
ffff880059434000
[221129.876445] Call Trace:
[221129.876482] [<ffffffffa0a1540f>] ? leaf_space_used+0xcf/0x110 [btrfs]
[221129.876516] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.876527] [<ffffffff81172b5a>] ? kmem_cache_free+0x1ea/0x210
[221129.876556] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.876565] [<ffffffff814d0649>] schedule+0x29/0x70
[221129.876592] [<ffffffffa0a2d50e>] btrfs_run_delayed_refs+0x31e/0x500
[btrfs]
[221129.876601] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221129.876630] [<ffffffffa0a3e4b7>] __btrfs_end_transaction+0xc7/0x310
[btrfs]
[221129.876659] [<ffffffffa0a3e710>] btrfs_end_transaction+0x10/0x20
[btrfs]
[221129.876688] [<ffffffffa0a4a304>]
btrfs_finish_ordered_io+0x114/0x9d0 [btrfs]
[221129.876697] [<ffffffff81123e97>] ? mempool_free_slab+0x17/0x20
[221129.876704] [<ffffffff81124439>] ? mempool_free+0x49/0x90
[221129.876731] [<ffffffffa0a7f368>] ?
end_compressed_bio_write+0xe8/0xf0 [btrfs]
[221129.876760] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221129.876788] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221129.876817] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221129.876824] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221129.876831] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.876838] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221129.876845] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.876858] INFO: task btrfs-endio-wri:1292 blocked for more than
120 seconds.
[221129.876983] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221129.877118] btrfs-endio-wri D ffff880073b9dc20 0 1292 2 0x00000000
[221129.877125] ffff880015b65c30 0000000000000046 0000000000014280
ffff880015b65fd8
[221129.877132] ffff880015b65fd8 0000000000014280 ffff880073b9dc20
ffffffffa0a1da45
[221129.877139] 0000247b00001f93 ffff880015b65cc6 ffff8800176642d0
0000000000000296
[221129.877146] Call Trace:
[221129.877172] [<ffffffffa0a1da45>] ?
setup_items_for_insert+0x2c5/0x3c0 [btrfs]
[221129.877202] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.877210] [<ffffffff81172b5a>] ? kmem_cache_free+0x1ea/0x210
[221129.877239] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.877245] [<ffffffff814d0649>] schedule+0x29/0x70
[221129.877271] [<ffffffffa0a2d50e>] btrfs_run_delayed_refs+0x31e/0x500
[btrfs]
[221129.877278] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221129.877307] [<ffffffffa0a3e4b7>] __btrfs_end_transaction+0xc7/0x310
[btrfs]
[221129.877335] [<ffffffffa0a3e710>] btrfs_end_transaction+0x10/0x20
[btrfs]
[221129.877364] [<ffffffffa0a4a304>]
btrfs_finish_ordered_io+0x114/0x9d0 [btrfs]
[221129.877372] [<ffffffff81123e97>] ? mempool_free_slab+0x17/0x20
[221129.877379] [<ffffffff81124439>] ? mempool_free+0x49/0x90
[221129.877406] [<ffffffffa0a7f368>] ?
end_compressed_bio_write+0xe8/0xf0 [btrfs]
[221129.877435] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221129.877463] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221129.877472] [<ffffffff8108cb42>] ? default_wake_function+0x12/0x20
[221129.877500] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221129.877507] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221129.877513] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.877519] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221129.877526] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.877532] INFO: task btrfs-endio-wri:1293 blocked for more than
120 seconds.
[221129.877657] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221129.877791] btrfs-endio-wri D ffff880073b990c0 0 1293 2 0x00000000
[221129.877798] ffff880011359c30 0000000000000046 0000000000014280
ffff880011359fd8
[221129.877805] ffff880011359fd8 0000000000014280 ffff880073b990c0
ffffffffa0a1da45
[221129.877812] 00004a330000203b ffff880011359cc6 ffff880042667090
ffff8800734a4000
[221129.877818] Call Trace:
[221129.877843] [<ffffffffa0a1da45>] ?
setup_items_for_insert+0x2c5/0x3c0 [btrfs]
[221129.877873] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.877881] [<ffffffff81172b5a>] ? kmem_cache_free+0x1ea/0x210
[221129.877910] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.877916] [<ffffffff814d0649>] schedule+0x29/0x70
[221129.877942] [<ffffffffa0a2d50e>] btrfs_run_delayed_refs+0x31e/0x500
[btrfs]
[221129.877949] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221129.877977] [<ffffffffa0a3e4b7>] __btrfs_end_transaction+0xc7/0x310
[btrfs]
[221129.878006] [<ffffffffa0a3e710>] btrfs_end_transaction+0x10/0x20
[btrfs]
[221129.878036] [<ffffffffa0a4a304>]
btrfs_finish_ordered_io+0x114/0x9d0 [btrfs]
[221129.878044] [<ffffffff81068842>] ? del_timer_sync+0x52/0x60
[221129.878053] [<ffffffff814ce00c>] ? schedule_timeout+0x13c/0x290
[221129.878062] [<ffffffff81067c10>] ? call_timer_fn+0x190/0x190
[221129.878092] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221129.878120] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221129.878128] [<ffffffff8108cb42>] ? default_wake_function+0x12/0x20
[221129.878156] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221129.878162] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221129.878169] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.878176] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221129.878182] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.878187] INFO: task btrfs-endio-wri:1294 blocked for more than
120 seconds.
[221129.878313] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221129.878447] btrfs-endio-wri D ffff880073b98860 0 1294 2 0x00000000
[221129.878453] ffff880007ddfc30 0000000000000046 0000000000014280
ffff880007ddffd8
[221129.878460] ffff880007ddffd8 0000000000014280 ffff880073b98860
0000000000000000
[221129.878466] ffff880007ddfbc0 ffffffffa0a1540f 00007f5fa0a3523e
ffff880059434000
[221129.878473] Call Trace:
[221129.878497] [<ffffffffa0a1540f>] ? leaf_space_used+0xcf/0x110 [btrfs]
[221129.878527] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.878534] [<ffffffff81172b5a>] ? kmem_cache_free+0x1ea/0x210
[221129.878563] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.878570] [<ffffffff814d0649>] schedule+0x29/0x70
[221129.878595] [<ffffffffa0a2d50e>] btrfs_run_delayed_refs+0x31e/0x500
[btrfs]
[221129.878602] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221129.878630] [<ffffffffa0a3e4b7>] __btrfs_end_transaction+0xc7/0x310
[btrfs]
[221129.878659] [<ffffffffa0a3e710>] btrfs_end_transaction+0x10/0x20
[btrfs]
[221129.878688] [<ffffffffa0a4a304>]
btrfs_finish_ordered_io+0x114/0x9d0 [btrfs]
[221129.878696] [<ffffffff81123e97>] ? mempool_free_slab+0x17/0x20
[221129.878703] [<ffffffff81124439>] ? mempool_free+0x49/0x90
[221129.878730] [<ffffffffa0a7f368>] ?
end_compressed_bio_write+0xe8/0xf0 [btrfs]
[221129.878759] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221129.878787] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221129.878795] [<ffffffff8108cb42>] ? default_wake_function+0x12/0x20
[221129.878823] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221129.878829] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221129.878836] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.878842] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221129.878849] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.878854] INFO: task btrfs-endio-wri:1295 blocked for more than
120 seconds.
[221129.878979] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221129.879113] btrfs-endio-wri D ffff880073b06ce0 0 1295 2 0x00000000
[221129.879119] ffff880052febc30 0000000000000046 0000000000014280
ffff880052febfd8
[221129.879126] ffff880052febfd8 0000000000014280 ffff880073b06ce0
0000000000000000
[221129.879132] ffff880052febbc0 ffffffffa0a1540f 00007f5fa0a3523e
ffff880059434000
[221129.879139] Call Trace:
[221129.879163] [<ffffffffa0a1540f>] ? leaf_space_used+0xcf/0x110 [btrfs]
[221129.879172] [<ffffffff814cf190>] ? __mutex_lock_slowpath+0x260/0x360
[221129.879201] [<ffffffffa0a57389>] ?
release_extent_buffer.isra.33+0xa9/0xd0 [btrfs]
[221129.879231] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.879237] [<ffffffff814d0649>] schedule+0x29/0x70
[221129.879263] [<ffffffffa0a2d50e>] btrfs_run_delayed_refs+0x31e/0x500
[btrfs]
[221129.879270] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221129.879298] [<ffffffffa0a3e4b7>] __btrfs_end_transaction+0xc7/0x310
[btrfs]
[221129.879326] [<ffffffffa0a3e710>] btrfs_end_transaction+0x10/0x20
[btrfs]
[221129.879355] [<ffffffffa0a4a304>]
btrfs_finish_ordered_io+0x114/0x9d0 [btrfs]
[221129.879363] [<ffffffff81068842>] ? del_timer_sync+0x52/0x60
[221129.879371] [<ffffffff814ce00c>] ? schedule_timeout+0x13c/0x290
[221129.879378] [<ffffffff81067c10>] ? call_timer_fn+0x190/0x190
[221129.879466] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221129.879494] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221129.879523] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221129.879529] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221129.879536] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.879543] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221129.879550] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.879576] INFO: task btrfs-endio-wri:1296 blocked for more than
120 seconds.
[221129.879702] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221129.879836] btrfs-endio-wri D ffff880073b99920 0 1296 2 0x00000000
[221129.879843] ffff88006ec37c30 0000000000000046 0000000000014280
ffff88006ec37fd8
[221129.879849] ffff88006ec37fd8 0000000000014280 ffff880073b99920
0000000000000000
[221129.879856] ffff88006ec37bc0 ffffffffa0a1540f 00007f5fa0a3523e
ffff880059434000
[221129.879863] Call Trace:
[221129.879887] [<ffffffffa0a1540f>] ? leaf_space_used+0xcf/0x110 [btrfs]
[221129.879917] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.879924] [<ffffffff81172b5a>] ? kmem_cache_free+0x1ea/0x210
[221129.879954] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221129.879960] [<ffffffff814d0649>] schedule+0x29/0x70
[221129.879986] [<ffffffffa0a2d50e>] btrfs_run_delayed_refs+0x31e/0x500
[btrfs]
[221129.879993] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221129.880021] [<ffffffffa0a3e4b7>] __btrfs_end_transaction+0xc7/0x310
[btrfs]
[221129.880050] [<ffffffffa0a3e710>] btrfs_end_transaction+0x10/0x20
[btrfs]
[221129.880079] [<ffffffffa0a4a304>]
btrfs_finish_ordered_io+0x114/0x9d0 [btrfs]
[221129.880087] [<ffffffff81068842>] ? del_timer_sync+0x52/0x60
[221129.880095] [<ffffffff814ce00c>] ? schedule_timeout+0x13c/0x290
[221129.880102] [<ffffffff81067c10>] ? call_timer_fn+0x190/0x190
[221129.880131] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221129.880159] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221129.880187] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221129.880194] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221129.880200] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221129.880207] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221129.880213] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221850.952262] INFO: task btrfs-cleaner:241 blocked for more than 120
seconds.
[221850.952401] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221850.952539] btrfs-cleaner D ffff8800734a31e8 0 241 2 0x00000000
[221850.952549] ffff88006c779d08 0000000000000046 0000000000014280
ffff88006c779fd8
[221850.952559] ffff88006c779fd8 0000000000014280 ffff880073263240
ffffffffa0a1974d
[221850.952567] ffff88006c779d28 ffff88006d533500 000000196c779cb8
ffff88006c779fd8
[221850.952575] Call Trace:
[221850.952614] [<ffffffffa0a1974d>] ?
generic_bin_search.constprop.42+0x8d/0x1a0 [btrfs]
[221850.952645] [<ffffffffa0a2d51a>] ?
btrfs_run_delayed_refs+0x32a/0x500 [btrfs]
[221850.952655] [<ffffffff814d0649>] schedule+0x29/0x70
[221850.952684] [<ffffffffa0a3cc35>]
wait_current_trans.isra.20+0xa5/0xf0 [btrfs]
[221850.952692] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221850.952721] [<ffffffffa0a3df15>] start_transaction+0x165/0x530 [btrfs]
[221850.952750] [<ffffffffa0a3e5a8>] ?
__btrfs_end_transaction+0x1b8/0x310 [btrfs]
[221850.952779] [<ffffffffa0a3e2f8>] btrfs_start_transaction+0x18/0x20
[btrfs]
[221850.952805] [<ffffffffa0a2bd4b>] btrfs_drop_snapshot+0x52b/0x620
[btrfs]
[221850.952835] [<ffffffffa0a44182>] ?
btrfs_run_delayed_iputs+0xe2/0x100 [btrfs]
[221850.952864] [<ffffffffa0a3ee37>]
btrfs_clean_old_snapshots+0xa7/0x150 [btrfs]
[221850.952891] [<ffffffffa0a35098>] cleaner_kthread+0xa8/0x120 [btrfs]
[221850.952917] [<ffffffffa0a34ff0>] ? transaction_kthread+0x230/0x230
[btrfs]
[221850.952924] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221850.952932] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221850.952939] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221850.952946] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221850.952954] INFO: task rsync:14299 blocked for more than 120 seconds.
[221850.953067] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221850.953202] rsync D ffff88006ac7bbd0 0 14299 14293
0x00000000
[221850.953209] ffff88006ac7bb40 0000000000000082 0000000000014280
ffff88006ac7bfd8
[221850.953217] ffff88006ac7bfd8 0000000000014280 ffff88006c1a5c20
ffff88006ac7bb18
[221850.953224] ffffffffa0a4606e 0000000000000000 0000000000000050
ffff88006ac7bbd4
[221850.953231] Call Trace:
[221850.953261] [<ffffffffa0a4606e>] ? run_delalloc_range+0x19e/0x3a0
[btrfs]
[221850.953270] [<ffffffff8101c919>] ? read_tsc+0x9/0x20
[221850.953278] [<ffffffff81121450>] ? filemap_fdatawait+0x30/0x30
[221850.953285] [<ffffffff814d0649>] schedule+0x29/0x70
[221850.953291] [<ffffffff814d08ef>] io_schedule+0x8f/0xe0
[221850.953297] [<ffffffff8112145e>] sleep_on_page+0xe/0x20
[221850.953307] [<ffffffff814ce33b>] __wait_on_bit_lock+0x5b/0xc0
[221850.953314] [<ffffffff8112159a>] __lock_page+0x6a/0x70
[221850.953320] [<ffffffff8107c430>] ? autoremove_wake_function+0x40/0x40
[221850.953350] [<ffffffffa0a56e2e>] ? flush_write_bio+0xe/0x10 [btrfs]
[221850.953380] [<ffffffffa0a5ba51>]
extent_write_cache_pages.isra.31.constprop.47+0x391/0x3e0 [btrfs]
[221850.953411] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221850.953440] [<ffffffffa0a56f54>] ?
free_extent_state.part.34+0x34/0xc0 [btrfs]
[221850.953470] [<ffffffffa0a5753e>] ? free_extent_state+0x1e/0x30 [btrfs]
[221850.953499] [<ffffffffa0a5bd8d>] extent_writepages+0x4d/0x70 [btrfs]
[221850.953528] [<ffffffffa0a42230>] ? can_nocow_odirect+0x270/0x270
[btrfs]
[221850.953557] [<ffffffffa0a41188>] btrfs_writepages+0x28/0x30 [btrfs]
[221850.953565] [<ffffffff8112d55e>] do_writepages+0x1e/0x40
[221850.953573] [<ffffffff81122889>] __filemap_fdatawrite_range+0x59/0x60
[221850.953581] [<ffffffff81122953>] filemap_fdatawrite_range+0x13/0x20
[221850.953611] [<ffffffffa0a56117>]
btrfs_wait_ordered_range+0xf7/0x110 [btrfs]
[221850.953640] [<ffffffffa0a48492>] btrfs_truncate+0x72/0x2d0 [btrfs]
[221850.953648] [<ffffffff811302d9>] ? truncate_pagecache+0x59/0x60
[221850.953677] [<ffffffffa0a4b664>] btrfs_setattr+0x164/0x230 [btrfs]
[221850.953685] [<ffffffff811a5c1c>] notify_change+0x1dc/0x360
[221850.953693] [<ffffffff811896eb>] do_truncate+0x6b/0xa0
[221850.953702] [<ffffffff8118d1a9>] ? __sb_start_write+0x49/0x100
[221850.953709] [<ffffffff81189a68>]
do_sys_ftruncate.constprop.11+0x118/0x170
[221850.953716] [<ffffffff81189afe>] sys_ftruncate+0xe/0x10
[221850.953723] [<ffffffff814d93dd>] system_call_fastpath+0x1a/0x1f
[221850.953729] INFO: task flush-btrfs-1:15339 blocked for more than 120
seconds.
[221850.953853] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221850.953987] flush-btrfs-1 D ffff88005f6d5a70 0 15339 2 0x00000000
[221850.953994] ffff88005f6d59e0 0000000000000046 0000000000014280
ffff88005f6d5fd8
[221850.954001] ffff88005f6d5fd8 0000000000014280 ffff880073266ce0
ffffffffa0a4606e
[221850.954008] 0000000000000000 0000000000000050 ffff88005f6d5a6c
ffff880073266ce0
[221850.954015] Call Trace:
[221850.954045] [<ffffffffa0a4606e>] ? run_delalloc_range+0x19e/0x3a0
[btrfs]
[221850.954052] [<ffffffff8101c919>] ? read_tsc+0x9/0x20
[221850.954059] [<ffffffff81121450>] ? filemap_fdatawait+0x30/0x30
[221850.954066] [<ffffffff814d0649>] schedule+0x29/0x70
[221850.954071] [<ffffffff814d08ef>] io_schedule+0x8f/0xe0
[221850.954078] [<ffffffff8112145e>] sleep_on_page+0xe/0x20
[221850.954086] [<ffffffff814ce33b>] __wait_on_bit_lock+0x5b/0xc0
[221850.954093] [<ffffffff8112159a>] __lock_page+0x6a/0x70
[221850.954099] [<ffffffff8107c430>] ? autoremove_wake_function+0x40/0x40
[221850.954129] [<ffffffffa0a56e2e>] ? flush_write_bio+0xe/0x10 [btrfs]
[221850.954158] [<ffffffffa0a5ba51>]
extent_write_cache_pages.isra.31.constprop.47+0x391/0x3e0 [btrfs]
[221850.954189] [<ffffffffa0a5bd8d>] extent_writepages+0x4d/0x70 [btrfs]
[221850.954218] [<ffffffffa0a42230>] ? can_nocow_odirect+0x270/0x270
[btrfs]
[221850.954247] [<ffffffffa0a41188>] btrfs_writepages+0x28/0x30 [btrfs]
[221850.954253] [<ffffffff8112d55e>] do_writepages+0x1e/0x40
[221850.954262] [<ffffffff811b3890>] __writeback_single_inode+0x40/0x320
[221850.954270] [<ffffffff811b5d02>] writeback_sb_inodes+0x252/0x440
[221850.954278] [<ffffffff811b5f8f>] __writeback_inodes_wb+0x9f/0xd0
[221850.954286] [<ffffffff811b62eb>] wb_writeback+0x32b/0x360
[221850.954295] [<ffffffff811b6ac8>] wb_do_writeback+0x1b8/0x250
[221850.954303] [<ffffffff811b6bf3>] bdi_writeback_thread+0x93/0x2f0
[221850.954311] [<ffffffff811b6b60>] ? wb_do_writeback+0x250/0x250
[221850.954317] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221850.954323] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221850.954330] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221850.954336] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221850.954348] INFO: task btrfs-endio-wri:1294 blocked for more than
120 seconds.
[221850.954473] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[221850.954608] btrfs-endio-wri D ffff8800734a79e8 0 1294 2 0x00000000
[221850.954614] ffff880007ddfc88 0000000000000046 0000000000014280
ffff880007ddffd8
[221850.954621] ffff880007ddffd8 0000000000014280 ffff880073b98860
ffff880007ddfbf0
[221850.954627] 0000000000000297 ffffea000038dc40 0000000000000000
0000000000000001
[221850.954634] Call Trace:
[221850.954642] [<ffffffff811299a7>] ? __free_pages+0x47/0x50
[221850.954648] [<ffffffff81129bb2>] ? __free_memcg_kmem_pages+0x22/0x50
[221850.954679] [<ffffffffa0a56704>] ? tree_insert+0x54/0x60 [btrfs]
[221850.954708] [<ffffffffa0a5655e>] ? set_state_bits+0x3e/0x80 [btrfs]
[221850.954715] [<ffffffff814d0649>] schedule+0x29/0x70
[221850.954743] [<ffffffffa0a3cc35>]
wait_current_trans.isra.20+0xa5/0xf0 [btrfs]
[221850.954749] [<ffffffff8107c3f0>] ? wake_up_bit+0x30/0x30
[221850.954778] [<ffffffffa0a3e0e8>] start_transaction+0x338/0x530 [btrfs]
[221850.954807] [<ffffffffa0a594e8>] ? test_range_bit+0xe8/0x130 [btrfs]
[221850.954836] [<ffffffffa0a3e337>] btrfs_join_transaction+0x17/0x20
[btrfs]
[221850.954865] [<ffffffffa0a4a580>]
btrfs_finish_ordered_io+0x390/0x9d0 [btrfs]
[221850.954872] [<ffffffff81172b5a>] ? kmem_cache_free+0x1ea/0x210
[221850.954880] [<ffffffff81123e97>] ? mempool_free_slab+0x17/0x20
[221850.954887] [<ffffffff81124439>] ? mempool_free+0x49/0x90
[221850.954895] [<ffffffff811c1ce5>] ? bio_put+0x75/0x90
[221850.954922] [<ffffffffa0a7f368>] ?
end_compressed_bio_write+0xe8/0xf0 [btrfs]
[221850.954951] [<ffffffffa0a4ada5>] finish_ordered_fn+0x15/0x20 [btrfs]
[221850.954979] [<ffffffffa0a69edc>] worker_loop+0x12c/0x550 [btrfs]
[221850.954988] [<ffffffff8108cb42>] ? default_wake_function+0x12/0x20
[221850.955017] [<ffffffffa0a69db0>] ? btrfs_queue_worker+0x330/0x330
[btrfs]
[221850.955023] [<ffffffff8107b5d0>] kthread+0xc0/0xd0
[221850.955030] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
[221850.955036] [<ffffffff814d932c>] ret_from_fork+0x7c/0xb0
[221850.955043] [<ffffffff8107b510>] ? kthread_create_on_node+0x120/0x120
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2013-05-04 14:02 INFO: task btrfs-endio-wri:32643 blocked for more than 120 seconds Konstantinos Skarlatos
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