Hi everyone, I have noticed the following in the log. The system continues to run, but I am not sure for how long it will be stable.
# uname -a Linux Debian 4.2.3-2~bpo8+1 (2015-10-20) i686 GNU/Linux # mount | grep /var /dev/sdd2 on /var type btrfs (rw,noatime,compress=lzo,space_cache,subvolid=258,subvol=/var) > [Mon Nov 2 06:35:57 2015] INFO: task nscd:859 blocked for more than 120 > seconds. > [Mon Nov 2 06:35:57 2015] Not tainted 4.2.0-0.bpo.1-686-pae #1 > [Mon Nov 2 06:35:57 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [Mon Nov 2 06:35:57 2015] nscd D f1c7dd20 0 859 1 > 0x00000000 > [Mon Nov 2 06:35:57 2015] f1c7dd40 00200082 f79de900 f1c7dd20 c10bc119 > ffffffe0 f3aec740 00200246 > [Mon Nov 2 06:35:57 2015] f74ea800 f79e3f40 f77fb800 f1c7e000 f6b381dc > f6b38000 f1c7dd4c c14f1fdb > [Mon Nov 2 06:35:57 2015] d5553960 f1c7dd70 f867672f 00000000 f77fb800 > c1099250 d0a4be08 d9755e68 > [Mon Nov 2 06:35:57 2015] Call Trace: > [Mon Nov 2 06:35:57 2015] [<c10bc119>] ? del_timer_sync+0x49/0x50 > [Mon Nov 2 06:35:57 2015] [<c14f1fdb>] ? schedule+0x2b/0x80 > [Mon Nov 2 06:35:57 2015] [<f867672f>] ? > wait_current_trans.isra.21+0x8f/0xf0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c1099250>] ? wait_woken+0x80/0x80 > [Mon Nov 2 06:35:57 2015] [<f86782b0>] ? start_transaction+0x3d0/0x5d0 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<f866483d>] ? > btrfs_delalloc_reserve_metadata+0x32d/0x580 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f867e480>] ? btrfs_dirty_inode+0xb0/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f8678533>] ? btrfs_join_transaction+0x23/0x30 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<f867e409>] ? btrfs_dirty_inode+0x39/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f867e480>] ? btrfs_dirty_inode+0xb0/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c11aaa6e>] ? file_update_time+0x7e/0xc0 > [Mon Nov 2 06:35:57 2015] [<f8689aa0>] ? btrfs_page_mkwrite+0x80/0x3c0 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<c10bec89>] ? hrtimer_cancel+0x19/0x20 > [Mon Nov 2 06:35:57 2015] [<c10d0871>] ? futex_wait+0x1e1/0x270 > [Mon Nov 2 06:35:57 2015] [<c115d098>] ? do_page_mkwrite+0x38/0x90 > [Mon Nov 2 06:35:57 2015] [<c115ecd2>] ? do_wp_page+0x2e2/0x6d0 > [Mon Nov 2 06:35:57 2015] [<c10cf491>] ? futex_wake+0x71/0x140 > [Mon Nov 2 06:35:57 2015] [<c105c717>] ? kmap_atomic_prot+0xe7/0x110 > [Mon Nov 2 06:35:57 2015] [<c1160a89>] ? handle_mm_fault+0xd59/0x14d0 > [Mon Nov 2 06:35:57 2015] [<c1054bcc>] ? __do_page_fault+0x18c/0x480 > [Mon Nov 2 06:35:57 2015] [<c1054ec0>] ? __do_page_fault+0x480/0x480 > [Mon Nov 2 06:35:57 2015] [<c14f67cf>] ? error_code+0x67/0x6c > [Mon Nov 2 06:35:57 2015] INFO: task nscd:864 blocked for more than 120 > seconds. > [Mon Nov 2 06:35:57 2015] Not tainted 4.2.0-0.bpo.1-686-pae #1 > [Mon Nov 2 06:35:57 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [Mon Nov 2 06:35:57 2015] nscd D f1c87f5c 0 864 1 > 0x00000000 > [Mon Nov 2 06:35:57 2015] f1c87ef4 00200082 f1c87f80 f1c87f5c 000003e7 > f1c87ee4 f3aec740 ac76c560 > [Mon Nov 2 06:35:57 2015] f74ea800 f79e3f40 f3c7b040 f1c88000 f3c7b040 > ffff0001 f1c87f00 c14f1fdb > [Mon Nov 2 06:35:57 2015] f3aec77c f1c87f38 c14f4265 f1c87f1c f3aec780 > f3aec788 00000000 00000125 > [Mon Nov 2 06:35:57 2015] Call Trace: > [Mon Nov 2 06:35:57 2015] [<c14f1fdb>] ? schedule+0x2b/0x80 > [Mon Nov 2 06:35:57 2015] [<c14f4265>] ? rwsem_down_write_failed+0x185/0x280 > [Mon Nov 2 06:35:57 2015] [<c12964d2>] ? > call_rwsem_down_write_failed+0x6/0x8 > [Mon Nov 2 06:35:57 2015] [<c14f3b85>] ? down_write+0x25/0x40 > [Mon Nov 2 06:35:57 2015] [<c11505ba>] ? vm_mmap_pgoff+0x4a/0xa0 > [Mon Nov 2 06:35:57 2015] [<c1196d08>] ? SyS_fstat64+0x28/0x30 > [Mon Nov 2 06:35:57 2015] [<c1164e50>] ? SyS_mmap_pgoff+0x110/0x210 > [Mon Nov 2 06:35:57 2015] [<c14f559b>] ? sysenter_do_call+0x12/0x12 > [Mon Nov 2 06:35:57 2015] INFO: task nmbd:1330 blocked for more than 120 > seconds. > [Mon Nov 2 06:35:57 2015] Not tainted 4.2.0-0.bpo.1-686-pae #1 > [Mon Nov 2 06:35:57 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [Mon Nov 2 06:35:57 2015] nmbd D 00000000 0 1330 1 > 0x00000000 > [Mon Nov 2 06:35:57 2015] ef44bd74 00200086 00000000 00000000 00000000 > 00000000 f3984900 00000000 > [Mon Nov 2 06:35:57 2015] f69e1800 f79e3f40 f3a7a800 ef44c000 d17255a0 > d17255a0 ef44bd80 c14f1fdb > [Mon Nov 2 06:35:57 2015] d1725600 ef44bdc8 f86961b5 000d3fff 00000000 > 00001000 00000000 000d3000 > [Mon Nov 2 06:35:57 2015] Call Trace: > [Mon Nov 2 06:35:57 2015] [<c14f1fdb>] ? schedule+0x2b/0x80 > [Mon Nov 2 06:35:57 2015] [<f86961b5>] ? > btrfs_start_ordered_extent+0xd5/0x100 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c1099250>] ? wait_woken+0x80/0x80 > [Mon Nov 2 06:35:57 2015] [<f868b254>] ? > lock_and_cleanup_extent_if_need+0x134/0x260 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f868bb46>] ? prepare_pages+0xc6/0x150 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f868c76a>] ? __btrfs_buffered_write+0x17a/0x5e0 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<c113e663>] ? __alloc_pages_nodemask+0x133/0x880 > [Mon Nov 2 06:35:57 2015] [<f8690f85>] ? btrfs_file_write_iter+0x1e5/0x550 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<c116980c>] ? page_add_new_anon_rmap+0x6c/0x90 > [Mon Nov 2 06:35:57 2015] [<c1191e29>] ? new_sync_write+0x79/0xb0 > [Mon Nov 2 06:35:57 2015] [<c1192433>] ? vfs_write+0x93/0x1a0 > [Mon Nov 2 06:35:57 2015] [<c1054be8>] ? __do_page_fault+0x1a8/0x480 > [Mon Nov 2 06:35:57 2015] [<c14f3030>] ? mutex_lock+0x10/0x30 > [Mon Nov 2 06:35:57 2015] [<c1192d96>] ? SyS_write+0x46/0x90 > [Mon Nov 2 06:35:57 2015] [<c14f559b>] ? sysenter_do_call+0x12/0x12 > [Mon Nov 2 06:35:57 2015] INFO: task master:2321 blocked for more than 120 > seconds. > [Mon Nov 2 06:35:57 2015] Not tainted 4.2.0-0.bpo.1-686-pae #1 > [Mon Nov 2 06:35:57 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [Mon Nov 2 06:35:57 2015] master D f79e3f40 0 2321 1 > 0x00000004 > [Mon Nov 2 06:35:57 2015] edcd9e18 00200082 cb7fd040 f79e3f40 cb7fd040 > ffffffe0 f3903c80 00200246 > [Mon Nov 2 06:35:57 2015] c167cb00 f79d1f40 eef44800 edcda000 f6b381dc > f6b38000 edcd9e24 c14f1fdb > [Mon Nov 2 06:35:57 2015] d5553960 edcd9e48 f867672f 00000000 eef44800 > c1099250 f3309e68 c7a17d64 > [Mon Nov 2 06:35:57 2015] Call Trace: > [Mon Nov 2 06:35:57 2015] [<c14f1fdb>] ? schedule+0x2b/0x80 > [Mon Nov 2 06:35:57 2015] [<f867672f>] ? > wait_current_trans.isra.21+0x8f/0xf0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c1099250>] ? wait_woken+0x80/0x80 > [Mon Nov 2 06:35:57 2015] [<f86782b0>] ? start_transaction+0x3d0/0x5d0 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<f867e480>] ? btrfs_dirty_inode+0xb0/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f8678533>] ? btrfs_join_transaction+0x23/0x30 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<f867e409>] ? btrfs_dirty_inode+0x39/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<f867e480>] ? btrfs_dirty_inode+0xb0/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c11aaa6e>] ? file_update_time+0x7e/0xc0 > [Mon Nov 2 06:35:57 2015] [<c11998ea>] ? pipe_write+0x32a/0x400 > [Mon Nov 2 06:35:57 2015] [<c1191e29>] ? new_sync_write+0x79/0xb0 > [Mon Nov 2 06:35:57 2015] [<c1192433>] ? vfs_write+0x93/0x1a0 > [Mon Nov 2 06:35:57 2015] [<c11a4d88>] ? poll_select_set_timeout+0x68/0x80 > [Mon Nov 2 06:35:57 2015] [<c1192d96>] ? SyS_write+0x46/0x90 > [Mon Nov 2 06:35:57 2015] [<c14f559b>] ? sysenter_do_call+0x12/0x12 > [Mon Nov 2 06:35:57 2015] INFO: task xfce4-sensors-p:2611 blocked for more > than 120 seconds. > [Mon Nov 2 06:35:57 2015] Not tainted 4.2.0-0.bpo.1-686-pae #1 > [Mon Nov 2 06:35:57 2015] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [Mon Nov 2 06:35:57 2015] xfce4-sensors-p D 00000000 0 2611 2560 > 0x00000000 > [Mon Nov 2 06:35:57 2015] e71f9e50 00200086 00000000 00000000 5ca90000 > ffffffe0 eeec4ac0 00200246 > [Mon Nov 2 06:35:57 2015] c167cb00 f79d1f40 e7ea3040 e71fa000 f6f345dc > f6f34400 e71f9e5c c14f1fdb > [Mon Nov 2 06:35:57 2015] d5553960 e71f9e80 f867672f 00000000 e7ea3040 > c1099250 c7a17d64 ea299e84 > [Mon Nov 2 06:35:57 2015] Call Trace: > [Mon Nov 2 06:35:57 2015] [<c14f1fdb>] ? schedule+0x2b/0x80 > [Mon Nov 2 06:35:57 2015] [<f867672f>] ? > wait_current_trans.isra.21+0x8f/0xf0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c1099250>] ? wait_woken+0x80/0x80 > [Mon Nov 2 06:35:57 2015] [<f8678331>] ? start_transaction+0x451/0x5d0 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<f86784d4>] ? btrfs_start_transaction+0x24/0x30 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<f86795a0>] ? __unlink_start_trans+0x20/0xb0 > [btrfs] > [Mon Nov 2 06:35:57 2015] [<c11a6e02>] ? d_rehash+0x42/0x50 > [Mon Nov 2 06:35:57 2015] [<f86829c8>] ? btrfs_unlink+0x28/0xb0 [btrfs] > [Mon Nov 2 06:35:57 2015] [<c119e222>] ? vfs_unlink+0xf2/0x190 > [Mon Nov 2 06:35:57 2015] [<c11a0afb>] ? do_unlinkat+0x21b/0x280 > [Mon Nov 2 06:35:57 2015] [<c11a1505>] ? SyS_unlink+0x15/0x20 > [Mon Nov 2 06:35:57 2015] [<c14f559b>] ? sysenter_do_call+0x12/0x12 -- With best regards, Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
