Package: btrfs-tools Version: 3.12-1 Severity: important Dear Maintainer,
I run the following: btrfs send -p rsnapshots-subv-RO-2014-03-28_15\:20/ rsnapshots-subv-RO-2014-04-01_09\:18/ -f outDEL and it starts writing the differences in outDEL but after some time it hangs. It stops writing in the file outDEL, and an 'ls' at the folder where the snapshots reside also hangs. Some time later the following kernel messages appear. If I hit CTRL-C at the console where btrfs send runs it exits and the 'ls' unhangs. Thank you! Giorgos KERNEL MESSAGES: Apr 1 09:36:35 aris kernel: [ 5999.162802] INFO: task btrfs-endio-wri:1560 blocked for more than 120 seconds. Apr 1 09:36:35 aris kernel: [ 5999.162807] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:36:35 aris kernel: [ 5999.162809] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:36:35 aris kernel: [ 5999.162811] btrfs-endio-wri D ffff880129500350 0 1560 2 0x00000000 Apr 1 09:36:35 aris kernel: [ 5999.162816] ffff880129500010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:36:35 aris kernel: [ 5999.162820] ffff880128c19fd8 ffff880129500010 ffff88011da73298 ffff88012586e9e8 Apr 1 09:36:35 aris kernel: [ 5999.162823] ffff88012586e9e8 0000000000000001 0000000000000000 ffff880104a89740 Apr 1 09:36:35 aris kernel: [ 5999.162827] Call Trace: Apr 1 09:36:35 aris kernel: [ 5999.162857] [<ffffffffa02f1367>] ? wait_current_trans.isra.21+0x97/0xf0 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162860] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:36:35 aris kernel: [ 5999.162868] [<ffffffffa02f27a0>] ? start_transaction+0x270/0x550 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162876] [<ffffffffa030c1d5>] ? test_range_bit+0x25/0x150 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162883] [<ffffffffa02fa430>] ? btrfs_finish_ordered_io+0x250/0x560 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162891] [<ffffffffa031ca70>] ? worker_loop+0x140/0x520 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162894] [<ffffffff814a36c6>] ? __schedule+0x2b6/0x6f0 Apr 1 09:36:35 aris kernel: [ 5999.162901] [<ffffffffa031c930>] ? btrfs_queue_worker+0x300/0x300 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162903] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:36:35 aris kernel: [ 5999.162905] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:36:35 aris kernel: [ 5999.162907] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:36:35 aris kernel: [ 5999.162908] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:36:35 aris kernel: [ 5999.162910] INFO: task btrfs-transacti:1580 blocked for more than 120 seconds. Apr 1 09:36:35 aris kernel: [ 5999.162911] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:36:35 aris kernel: [ 5999.162912] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:36:35 aris kernel: [ 5999.162913] btrfs-transacti D ffff88012675f350 0 1580 2 0x00000000 Apr 1 09:36:35 aris kernel: [ 5999.162915] ffff88012675f010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:36:35 aris kernel: [ 5999.162916] ffff8800c5257fd8 ffff88012675f010 ffff880104a89ec0 ffff880126949800 Apr 1 09:36:35 aris kernel: [ 5999.162918] ffff8800c5257e48 ffff88011da73298 ffff88011da73308 ffff88012675f010 Apr 1 09:36:35 aris kernel: [ 5999.162920] Call Trace: Apr 1 09:36:35 aris kernel: [ 5999.162927] [<ffffffffa02f1eed>] ? btrfs_commit_transaction+0x30d/0x950 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162929] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:36:35 aris kernel: [ 5999.162935] [<ffffffffa02edecd>] ? transaction_kthread+0x1ad/0x240 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162941] [<ffffffffa02edd20>] ? btrfs_cleanup_transaction+0x510/0x510 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162943] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:36:35 aris kernel: [ 5999.162945] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:36:35 aris kernel: [ 5999.162946] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:36:35 aris kernel: [ 5999.162948] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:36:35 aris kernel: [ 5999.162970] INFO: task btrfs:5682 blocked for more than 120 seconds. Apr 1 09:36:35 aris kernel: [ 5999.162971] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:36:35 aris kernel: [ 5999.162972] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:36:35 aris kernel: [ 5999.162973] btrfs D ffff88010de1cb40 0 5682 5361 0x00000000 Apr 1 09:36:35 aris kernel: [ 5999.162974] ffff88010de1c800 0000000000000082 0000000000014280 0000000000014280 Apr 1 09:36:35 aris kernel: [ 5999.162976] ffff880034e1ffd8 ffff88010de1c800 ffff8801204d1740 ffff8801204d16c8 Apr 1 09:36:35 aris kernel: [ 5999.162978] ffff880103f41ba0 0000000000000001 000000002e443000 0000000001665000 Apr 1 09:36:35 aris kernel: [ 5999.162979] Call Trace: Apr 1 09:36:35 aris kernel: [ 5999.162988] [<ffffffffa0308895>] ? btrfs_start_ordered_extent+0x65/0xf0 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.162989] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:36:35 aris kernel: [ 5999.162997] [<ffffffffa030906d>] ? btrfs_wait_ordered_range+0xbd/0x120 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.163004] [<ffffffffa03018bc>] ? prepare_pages.isra.17+0x15c/0x350 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.163011] [<ffffffffa030263a>] ? __btrfs_buffered_write+0x29a/0x4d0 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.163018] [<ffffffffa0302a85>] ? btrfs_file_aio_write+0x215/0x520 [btrfs] Apr 1 09:36:35 aris kernel: [ 5999.163021] [<ffffffff81178e77>] ? do_sync_write+0x57/0x90 Apr 1 09:36:35 aris kernel: [ 5999.163023] [<ffffffff8117957a>] ? vfs_write+0xaa/0x1e0 Apr 1 09:36:35 aris kernel: [ 5999.163025] [<ffffffff81179455>] ? vfs_read+0xe5/0x160 Apr 1 09:36:35 aris kernel: [ 5999.163027] [<ffffffff81179f83>] ? SyS_write+0x43/0xa0 Apr 1 09:36:35 aris kernel: [ 5999.163029] [<ffffffff814ae4f9>] ? system_call_fastpath+0x16/0x1b Apr 1 09:37:08 aris kernel: [ 6032.065853] type=1400 audit(1396334228.323:96): apparmor="DENIED" operation="open" profile="/usr/bin/skype" name="/var/lib/dbus/machine-id" pid=3461 comm="skype" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Apr 1 09:37:08 aris kernel: [ 6032.076631] type=1400 audit(1396334228.335:97): apparmor="DENIED" operation="open" profile="/usr/bin/skype" name="/var/lib/dbus/machine-id" pid=3461 comm="skype" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 Apr 1 09:38:35 aris kernel: [ 6119.137489] INFO: task btrfs-endio-wri:1560 blocked for more than 120 seconds. Apr 1 09:38:35 aris kernel: [ 6119.137494] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:38:35 aris kernel: [ 6119.137496] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:38:35 aris kernel: [ 6119.137498] btrfs-endio-wri D ffff880129500350 0 1560 2 0x00000000 Apr 1 09:38:35 aris kernel: [ 6119.137503] ffff880129500010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:38:35 aris kernel: [ 6119.137515] ffff880128c19fd8 ffff880129500010 ffff88011da73298 ffff88012586e9e8 Apr 1 09:38:35 aris kernel: [ 6119.137517] ffff88012586e9e8 0000000000000001 0000000000000000 ffff880104a89740 Apr 1 09:38:35 aris kernel: [ 6119.137519] Call Trace: Apr 1 09:38:35 aris kernel: [ 6119.137542] [<ffffffffa02f1367>] ? wait_current_trans.isra.21+0x97/0xf0 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137546] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:38:35 aris kernel: [ 6119.137554] [<ffffffffa02f27a0>] ? start_transaction+0x270/0x550 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137564] [<ffffffffa030c1d5>] ? test_range_bit+0x25/0x150 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137573] [<ffffffffa02fa430>] ? btrfs_finish_ordered_io+0x250/0x560 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137582] [<ffffffffa031ca70>] ? worker_loop+0x140/0x520 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137585] [<ffffffff814a36c6>] ? __schedule+0x2b6/0x6f0 Apr 1 09:38:35 aris kernel: [ 6119.137594] [<ffffffffa031c930>] ? btrfs_queue_worker+0x300/0x300 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137596] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:38:35 aris kernel: [ 6119.137598] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:38:35 aris kernel: [ 6119.137601] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:38:35 aris kernel: [ 6119.137603] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:38:35 aris kernel: [ 6119.137605] INFO: task btrfs-transacti:1580 blocked for more than 120 seconds. Apr 1 09:38:35 aris kernel: [ 6119.137606] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:38:35 aris kernel: [ 6119.137607] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:38:35 aris kernel: [ 6119.137608] btrfs-transacti D ffff88012675f350 0 1580 2 0x00000000 Apr 1 09:38:35 aris kernel: [ 6119.137610] ffff88012675f010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:38:35 aris kernel: [ 6119.137612] ffff8800c5257fd8 ffff88012675f010 ffff880104a89ec0 ffff880126949800 Apr 1 09:38:35 aris kernel: [ 6119.137614] ffff8800c5257e48 ffff88011da73298 ffff88011da73308 ffff88012675f010 Apr 1 09:38:35 aris kernel: [ 6119.137616] Call Trace: Apr 1 09:38:35 aris kernel: [ 6119.137624] [<ffffffffa02f1eed>] ? btrfs_commit_transaction+0x30d/0x950 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137627] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:38:35 aris kernel: [ 6119.137635] [<ffffffffa02edecd>] ? transaction_kthread+0x1ad/0x240 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137642] [<ffffffffa02edd20>] ? btrfs_cleanup_transaction+0x510/0x510 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137644] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:38:35 aris kernel: [ 6119.137646] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:38:35 aris kernel: [ 6119.137648] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:38:35 aris kernel: [ 6119.137650] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:38:35 aris kernel: [ 6119.137673] INFO: task btrfs:5682 blocked for more than 120 seconds. Apr 1 09:38:35 aris kernel: [ 6119.137674] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:38:35 aris kernel: [ 6119.137675] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:38:35 aris kernel: [ 6119.137676] btrfs D ffff88010de1cb40 0 5682 5361 0x00000000 Apr 1 09:38:35 aris kernel: [ 6119.137678] ffff88010de1c800 0000000000000082 0000000000014280 0000000000014280 Apr 1 09:38:35 aris kernel: [ 6119.137680] ffff880034e1ffd8 ffff88010de1c800 ffff8801204d1740 ffff8801204d16c8 Apr 1 09:38:35 aris kernel: [ 6119.137682] ffff880103f41ba0 0000000000000001 000000002e443000 0000000001665000 Apr 1 09:38:35 aris kernel: [ 6119.137684] Call Trace: Apr 1 09:38:35 aris kernel: [ 6119.137694] [<ffffffffa0308895>] ? btrfs_start_ordered_extent+0x65/0xf0 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137696] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:38:35 aris kernel: [ 6119.137705] [<ffffffffa030906d>] ? btrfs_wait_ordered_range+0xbd/0x120 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137713] [<ffffffffa03018bc>] ? prepare_pages.isra.17+0x15c/0x350 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137722] [<ffffffffa030263a>] ? __btrfs_buffered_write+0x29a/0x4d0 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137730] [<ffffffffa0302a85>] ? btrfs_file_aio_write+0x215/0x520 [btrfs] Apr 1 09:38:35 aris kernel: [ 6119.137734] [<ffffffff81178e77>] ? do_sync_write+0x57/0x90 Apr 1 09:38:35 aris kernel: [ 6119.137736] [<ffffffff8117957a>] ? vfs_write+0xaa/0x1e0 Apr 1 09:38:35 aris kernel: [ 6119.137738] [<ffffffff81179455>] ? vfs_read+0xe5/0x160 Apr 1 09:38:35 aris kernel: [ 6119.137740] [<ffffffff81179f83>] ? SyS_write+0x43/0xa0 Apr 1 09:38:35 aris kernel: [ 6119.137743] [<ffffffff814ae4f9>] ? system_call_fastpath+0x16/0x1b Apr 1 09:40:35 aris kernel: [ 6239.112138] INFO: task btrfs-endio-wri:1560 blocked for more than 120 seconds. Apr 1 09:40:35 aris kernel: [ 6239.112141] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:40:35 aris kernel: [ 6239.112142] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:40:35 aris kernel: [ 6239.112143] btrfs-endio-wri D ffff880129500350 0 1560 2 0x00000000 Apr 1 09:40:35 aris kernel: [ 6239.112146] ffff880129500010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:40:35 aris kernel: [ 6239.112148] ffff880128c19fd8 ffff880129500010 ffff88011da73298 ffff88012586e9e8 Apr 1 09:40:35 aris kernel: [ 6239.112150] ffff88012586e9e8 0000000000000001 0000000000000000 ffff880104a89740 Apr 1 09:40:35 aris kernel: [ 6239.112152] Call Trace: Apr 1 09:40:35 aris kernel: [ 6239.112174] [<ffffffffa02f1367>] ? wait_current_trans.isra.21+0x97/0xf0 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112177] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:40:35 aris kernel: [ 6239.112185] [<ffffffffa02f27a0>] ? start_transaction+0x270/0x550 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112193] [<ffffffffa030c1d5>] ? test_range_bit+0x25/0x150 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112200] [<ffffffffa02fa430>] ? btrfs_finish_ordered_io+0x250/0x560 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112208] [<ffffffffa031ca70>] ? worker_loop+0x140/0x520 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112211] [<ffffffff814a36c6>] ? __schedule+0x2b6/0x6f0 Apr 1 09:40:35 aris kernel: [ 6239.112218] [<ffffffffa031c930>] ? btrfs_queue_worker+0x300/0x300 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112220] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:40:35 aris kernel: [ 6239.112222] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:40:35 aris kernel: [ 6239.112224] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:40:35 aris kernel: [ 6239.112226] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:40:35 aris kernel: [ 6239.112228] INFO: task btrfs-transacti:1580 blocked for more than 120 seconds. Apr 1 09:40:35 aris kernel: [ 6239.112229] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:40:35 aris kernel: [ 6239.112229] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:40:35 aris kernel: [ 6239.112230] btrfs-transacti D ffff88012675f350 0 1580 2 0x00000000 Apr 1 09:40:35 aris kernel: [ 6239.112232] ffff88012675f010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:40:35 aris kernel: [ 6239.112234] ffff8800c5257fd8 ffff88012675f010 ffff880104a89ec0 ffff880126949800 Apr 1 09:40:35 aris kernel: [ 6239.112235] ffff8800c5257e48 ffff88011da73298 ffff88011da73308 ffff88012675f010 Apr 1 09:40:35 aris kernel: [ 6239.112237] Call Trace: Apr 1 09:40:35 aris kernel: [ 6239.112244] [<ffffffffa02f1eed>] ? btrfs_commit_transaction+0x30d/0x950 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112246] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:40:35 aris kernel: [ 6239.112253] [<ffffffffa02edecd>] ? transaction_kthread+0x1ad/0x240 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112259] [<ffffffffa02edd20>] ? btrfs_cleanup_transaction+0x510/0x510 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112261] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:40:35 aris kernel: [ 6239.112262] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:40:35 aris kernel: [ 6239.112264] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:40:35 aris kernel: [ 6239.112265] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:40:35 aris kernel: [ 6239.112287] INFO: task btrfs:5682 blocked for more than 120 seconds. Apr 1 09:40:35 aris kernel: [ 6239.112288] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:40:35 aris kernel: [ 6239.112289] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:40:35 aris kernel: [ 6239.112290] btrfs D ffff88010de1cb40 0 5682 5361 0x00000000 Apr 1 09:40:35 aris kernel: [ 6239.112291] ffff88010de1c800 0000000000000082 0000000000014280 0000000000014280 Apr 1 09:40:35 aris kernel: [ 6239.112293] ffff880034e1ffd8 ffff88010de1c800 ffff8801204d1740 ffff8801204d16c8 Apr 1 09:40:35 aris kernel: [ 6239.112295] ffff880103f41ba0 0000000000000001 000000002e443000 0000000001665000 Apr 1 09:40:35 aris kernel: [ 6239.112296] Call Trace: Apr 1 09:40:35 aris kernel: [ 6239.112304] [<ffffffffa0308895>] ? btrfs_start_ordered_extent+0x65/0xf0 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112306] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:40:35 aris kernel: [ 6239.112314] [<ffffffffa030906d>] ? btrfs_wait_ordered_range+0xbd/0x120 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112321] [<ffffffffa03018bc>] ? prepare_pages.isra.17+0x15c/0x350 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112328] [<ffffffffa030263a>] ? __btrfs_buffered_write+0x29a/0x4d0 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112335] [<ffffffffa0302a85>] ? btrfs_file_aio_write+0x215/0x520 [btrfs] Apr 1 09:40:35 aris kernel: [ 6239.112338] [<ffffffff81178e77>] ? do_sync_write+0x57/0x90 Apr 1 09:40:35 aris kernel: [ 6239.112340] [<ffffffff8117957a>] ? vfs_write+0xaa/0x1e0 Apr 1 09:40:35 aris kernel: [ 6239.112342] [<ffffffff81179455>] ? vfs_read+0xe5/0x160 Apr 1 09:40:35 aris kernel: [ 6239.112344] [<ffffffff81179f83>] ? SyS_write+0x43/0xa0 Apr 1 09:40:35 aris kernel: [ 6239.112346] [<ffffffff814ae4f9>] ? system_call_fastpath+0x16/0x1b Apr 1 09:42:35 aris kernel: [ 6359.086851] INFO: task btrfs-endio-wri:1560 blocked for more than 120 seconds. Apr 1 09:42:35 aris kernel: [ 6359.086856] Tainted: G O 3.13-1-amd64 #1 Apr 1 09:42:35 aris kernel: [ 6359.086857] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 1 09:42:35 aris kernel: [ 6359.086859] btrfs-endio-wri D ffff880129500350 0 1560 2 0x00000000 Apr 1 09:42:35 aris kernel: [ 6359.086864] ffff880129500010 0000000000000046 0000000000014280 0000000000014280 Apr 1 09:42:35 aris kernel: [ 6359.086869] ffff880128c19fd8 ffff880129500010 ffff88011da73298 ffff88012586e9e8 Apr 1 09:42:35 aris kernel: [ 6359.086872] ffff88012586e9e8 0000000000000001 0000000000000000 ffff880104a89740 Apr 1 09:42:35 aris kernel: [ 6359.086884] Call Trace: Apr 1 09:42:35 aris kernel: [ 6359.086905] [<ffffffffa02f1367>] ? wait_current_trans.isra.21+0x97/0xf0 [btrfs] Apr 1 09:42:35 aris kernel: [ 6359.086909] [<ffffffff81096f40>] ? prepare_to_wait_event+0xf0/0xf0 Apr 1 09:42:35 aris kernel: [ 6359.086917] [<ffffffffa02f27a0>] ? start_transaction+0x270/0x550 [btrfs] Apr 1 09:42:35 aris kernel: [ 6359.086926] [<ffffffffa030c1d5>] ? test_range_bit+0x25/0x150 [btrfs] Apr 1 09:42:35 aris kernel: [ 6359.086934] [<ffffffffa02fa430>] ? btrfs_finish_ordered_io+0x250/0x560 [btrfs] Apr 1 09:42:35 aris kernel: [ 6359.086943] [<ffffffffa031ca70>] ? worker_loop+0x140/0x520 [btrfs] Apr 1 09:42:35 aris kernel: [ 6359.086946] [<ffffffff814a36c6>] ? __schedule+0x2b6/0x6f0 Apr 1 09:42:35 aris kernel: [ 6359.086954] [<ffffffffa031c930>] ? btrfs_queue_worker+0x300/0x300 [btrfs] Apr 1 09:42:35 aris kernel: [ 6359.086956] [<ffffffff8107bb41>] ? kthread+0xc1/0xe0 Apr 1 09:42:35 aris kernel: [ 6359.086958] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 Apr 1 09:42:35 aris kernel: [ 6359.086960] [<ffffffff814ae44c>] ? ret_from_fork+0x7c/0xb0 Apr 1 09:42:35 aris kernel: [ 6359.086962] [<ffffffff8107ba80>] ? kthread_create_on_node+0x180/0x180 -- System Information: Debian Release: jessie/sid APT prefers testing APT policy: (500, 'testing'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 3.13-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages btrfs-tools depends on: ii e2fslibs 1.42.9-3 ii libblkid1 2.20.1-5.6 ii libc6 2.18-4 ii libcomerr2 1.42.9-3 ii liblzo2-2 2.06-1.2 ii libuuid1 2.20.1-5.6 ii zlib1g 1:1.2.8.dfsg-1 btrfs-tools recommends no packages. btrfs-tools suggests no packages. -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". 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