uname -a Linux Ubunto4ka 3.12.5-031205-generic #201312120254 SMP Thu Dec 12 07:55:20 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.5-trusty/
cat /var/log/syslog |grep -A 35 blocked Dec 6 16:12:23 Ubunto4ka kernel: [95836.316381] INFO: task mozStorage #8:8285 blocked for more than 5 seconds. Dec 6 16:12:23 Ubunto4ka kernel: [95836.316385] Tainted: PF C O 3.12.2-031202-generic #201311291538 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316385] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 6 16:12:23 Ubunto4ka kernel: [95836.316387] mozStorage #8 D ffffffff81811d80 0 8285 7860 0x00000000 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316390] ffff880062f21d28 0000000000000002 ffff8801389e2b40 ffff8800371e0f30 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316392] ffff880062f21fd8 ffff880062f21fd8 ffff880062f21fd8 0000000000014500 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316394] ffff880139378000 ffff88006d025ec0 ffff880062f21d38 ffff8800ba5f8000 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316397] Call Trace: Dec 6 16:12:23 Ubunto4ka kernel: [95836.316402] [<ffffffff8174dbb9>] schedule+0x29/0x70 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316423] [<ffffffffa009d30c>] wait_log_commit.isra.21+0x10c/0x130 [btrfs] Dec 6 16:12:23 Ubunto4ka kernel: [95836.316427] [<ffffffff8108d2a0>] ? add_wait_queue+0x60/0x60 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316437] [<ffffffffa00a2ed2>] btrfs_sync_log+0x442/0x6d0 [btrfs] Dec 6 16:12:23 Ubunto4ka kernel: [95836.316440] [<ffffffff811d6ac0>] ? dput+0x20/0x90 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316449] [<ffffffffa0077b9b>] btrfs_sync_file+0x27b/0x2e0 [btrfs] Dec 6 16:12:23 Ubunto4ka kernel: [95836.316452] [<ffffffff811ef2eb>] vfs_fsync+0x2b/0x40 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316454] [<ffffffff812c827d>] ecryptfs_fsync+0x3d/0x50 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316456] [<ffffffff811ef3cd>] do_fsync+0x5d/0x90 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316457] [<ffffffff811ef7b0>] SyS_fsync+0x10/0x20 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316459] [<ffffffff817587ff>] tracesys+0xe1/0xe6 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316461] INFO: task mozStorage #11:7286 blocked for more than 5 seconds. Dec 6 16:12:23 Ubunto4ka kernel: [95836.316462] Tainted: PF C O 3.12.2-031202-generic #201311291538 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316463] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 6 16:12:23 Ubunto4ka kernel: [95836.316464] mozStorage #11 D ffffffff81811d80 0 7286 7860 0x00000000 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316466] ffff880008ce3d28 0000000000000002 ffff8801389a4000 ffff880037120c60 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316468] ffff880008ce3fd8 ffff880008ce3fd8 ffff880008ce3fd8 0000000000014500 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316470] ffff88013935dec0 ffff880008a90000 ffff880008ce3d38 ffff8800ba5f8000 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316472] Call Trace: Dec 6 16:12:23 Ubunto4ka kernel: [95836.316474] [<ffffffff8174dbb9>] schedule+0x29/0x70 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316483] [<ffffffffa009d30c>] wait_log_commit.isra.21+0x10c/0x130 [btrfs] Dec 6 16:12:23 Ubunto4ka kernel: [95836.316485] [<ffffffff8108d2a0>] ? add_wait_queue+0x60/0x60 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316494] [<ffffffffa00a2ed2>] btrfs_sync_log+0x442/0x6d0 [btrfs] Dec 6 16:12:23 Ubunto4ka kernel: [95836.316496] [<ffffffff811d6ac0>] ? dput+0x20/0x90 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316505] [<ffffffffa0077b9b>] btrfs_sync_file+0x27b/0x2e0 [btrfs] Dec 6 16:12:23 Ubunto4ka kernel: [95836.316507] [<ffffffff811ef2eb>] vfs_fsync+0x2b/0x40 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316509] [<ffffffff812c827d>] ecryptfs_fsync+0x3d/0x50 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316510] [<ffffffff811ef3cd>] do_fsync+0x5d/0x90 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316512] [<ffffffff811ef7b0>] SyS_fsync+0x10/0x20 Dec 6 16:12:23 Ubunto4ka kernel: [95836.316513] [<ffffffff817587ff>] tracesys+0xe1/0xe6 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315297] INFO: task Cache I/O:8165 blocked for more than 5 seconds. Dec 6 16:12:28 Ubunto4ka kernel: [95841.315300] Tainted: PF C O 3.12.2-031202-generic #201311291538 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315301] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 6 16:12:28 Ubunto4ka kernel: [95841.315302] Cache I/O D ffffffff81811d80 0 8165 7860 0x00000000 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315305] ffff880122501d28 0000000000000002 ffff880037250be0 ffff880138917b40 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315308] ffff880122501fd8 ffff880122501fd8 ffff880122501fd8 0000000000014500 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315310] ffffffff81c144a0 ffff8801289e97b0 ffff880122501d38 ffff8800ba5f8000 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315313] Call Trace: Dec 6 16:12:28 Ubunto4ka kernel: [95841.315318] [<ffffffff8174dbb9>] schedule+0x29/0x70 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315346] [<ffffffffa009d30c>] wait_log_commit.isra.21+0x10c/0x130 [btrfs] Dec 6 16:12:28 Ubunto4ka kernel: [95841.315350] [<ffffffff8108d2a0>] ? add_wait_queue+0x60/0x60 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315359] [<ffffffffa00a2ed2>] btrfs_sync_log+0x442/0x6d0 [btrfs] Dec 6 16:12:28 Ubunto4ka kernel: [95841.315362] [<ffffffff811d6ac0>] ? dput+0x20/0x90 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315371] [<ffffffffa0077b9b>] btrfs_sync_file+0x27b/0x2e0 [btrfs] Dec 6 16:12:28 Ubunto4ka kernel: [95841.315374] [<ffffffff811ef2eb>] vfs_fsync+0x2b/0x40 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315376] [<ffffffff812c827d>] ecryptfs_fsync+0x3d/0x50 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315378] [<ffffffff811ef3cd>] do_fsync+0x5d/0x90 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315380] [<ffffffff811ef7b0>] SyS_fsync+0x10/0x20 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315382] [<ffffffff817587ff>] tracesys+0xe1/0xe6 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315385] INFO: task mozStorage #8:8285 blocked for more than 5 seconds. Dec 6 16:12:28 Ubunto4ka kernel: [95841.315386] Tainted: PF C O 3.12.2-031202-generic #201311291538 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315387] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 6 16:12:28 Ubunto4ka kernel: [95841.315388] mozStorage #8 D ffffffff81811d80 0 8285 7860 0x00000000 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315390] ffff880062f21d28 0000000000000002 ffff8801389e2b40 ffff8800371e0f30 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315392] ffff880062f21fd8 ffff880062f21fd8 ffff880062f21fd8 0000000000014500 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315393] ffff880139378000 ffff88006d025ec0 ffff880062f21d38 ffff8800ba5f8000 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315395] Call Trace: Dec 6 16:12:28 Ubunto4ka kernel: [95841.315397] [<ffffffff8174dbb9>] schedule+0x29/0x70 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315406] [<ffffffffa009d30c>] wait_log_commit.isra.21+0x10c/0x130 [btrfs] Dec 6 16:12:28 Ubunto4ka kernel: [95841.315408] [<ffffffff8108d2a0>] ? add_wait_queue+0x60/0x60 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315416] [<ffffffffa00a2ed2>] btrfs_sync_log+0x442/0x6d0 [btrfs] Dec 6 16:12:28 Ubunto4ka kernel: [95841.315418] [<ffffffff811d6ac0>] ? dput+0x20/0x90 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315427] [<ffffffffa0077b9b>] btrfs_sync_file+0x27b/0x2e0 [btrfs] Dec 6 16:12:28 Ubunto4ka kernel: [95841.315428] [<ffffffff811ef2eb>] vfs_fsync+0x2b/0x40 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315430] [<ffffffff812c827d>] ecryptfs_fsync+0x3d/0x50 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315431] [<ffffffff811ef3cd>] do_fsync+0x5d/0x90 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315433] [<ffffffff811ef7b0>] SyS_fsync+0x10/0x20 Dec 6 16:12:28 Ubunto4ka kernel: [95841.315435] [<ffffffff817587ff>] tracesys+0xe1/0xe6 Dec 6 16:14:33 Ubunto4ka kernel: [95965.758438] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:04 Ubunto4ka kernel: [95997.380539] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:05 Ubunto4ka kernel: [95998.633463] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:08 Ubunto4ka acpid: client 7845[0:0] has disconnected Dec 6 16:15:10 Ubunto4ka acpid: client 7845[0:0] has disconnected Dec 6 16:15:12 Ubunto4ka kernel: [96005.713727] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:13 Ubunto4ka kernel: [96005.892061] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:17 Ubunto4ka kernel: [96010.085857] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:25 Ubunto4ka kernel: [96018.304614] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:31 Ubunto4ka kernel: [96023.907088] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:36 Ubunto4ka kernel: [96028.807513] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:37 Ubunto4ka kernel: [96030.105467] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:46 Ubunto4ka kernel: [96039.016403] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:46 Ubunto4ka kernel: [96039.297589] ieee80211 phy0: invalid plcp cck rate (0). Dec 6 16:15:47 Ubunto4ka acpid: client connected from 7845[0:0] Dec 6 16:15:47 Ubunto4ka acpid: 1 client rule loaded Dec 6 16:15:48 Ubunto4ka acpid: client connected from 7845[0:0] -- Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414629] INFO: task enlightenment:2676 blocked for more than 120 seconds. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414729] Tainted: PF C O 3.12.5-031205-generic #201312120254 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414823] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414941] enlightenment D ffffffff81811d80 0 2676 2671 0x00000000 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414944] ffff88009fe4f9e8 0000000000000002 ffff8801371b21a0 ffff880136eb4800 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414947] ffff88009fe4ffd8 ffff88009fe4ffd8 ffff88009fe4ffd8 0000000000014500 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414949] ffff88013935c710 ffff8800ac70c710 ffff88009fe4f9f8 ffff8801389890a0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414951] Call Trace: Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414956] [<ffffffff8174f189>] schedule+0x29/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414976] [<ffffffffa00653a1>] wait_current_trans.isra.33+0xc1/0x120 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414979] [<ffffffff8108d380>] ? add_wait_queue+0x60/0x60 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414988] [<ffffffffa006720e>] start_transaction.part.35+0x2ee/0x510 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.414996] [<ffffffffa0067459>] start_transaction+0x29/0x30 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415004] [<ffffffffa00676ab>] btrfs_start_transaction+0x1b/0x20 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415012] [<ffffffffa0075596>] btrfs_create+0x46/0x220 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415015] [<ffffffff81300a2c>] ? security_inode_permission+0x1c/0x30 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415017] [<ffffffff811cf81d>] vfs_create+0xed/0x160 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415020] [<ffffffff812c98a7>] ecryptfs_do_create+0x57/0x130 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415021] [<ffffffff812ca97b>] ecryptfs_create+0x2b/0xc0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415023] [<ffffffff811cf81d>] vfs_create+0xed/0x160 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415025] [<ffffffff811cf9ce>] lookup_open+0x13e/0x1d0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415028] [<ffffffff811e0168>] ? __mnt_want_write+0x58/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415029] [<ffffffff811cfd46>] do_last+0x2e6/0x7c0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415031] [<ffffffff811d02e4>] path_openat+0xc4/0x4c0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415033] [<ffffffff811d1013>] do_filp_open+0x43/0xa0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415035] [<ffffffff811dd90e>] ? __alloc_fd+0xce/0x120 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415038] [<ffffffff811bf6c2>] do_sys_open+0x132/0x220 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415041] [<ffffffff8102297d>] ? syscall_trace_leave+0xdd/0x150 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415043] [<ffffffff811bf7ce>] SyS_open+0x1e/0x20 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415046] [<ffffffff81759dff>] tracesys+0xe1/0xe6 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415053] INFO: task firefox:3334 blocked for more than 120 seconds. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415148] Tainted: PF C O 3.12.5-031205-generic #201312120254 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415242] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415360] firefox D ffffffff81811d80 0 3334 2676 0x00000000 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415362] ffff88012cffd948 0000000000000002 ffff8801371b21a0 ffff880136eb4800 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415363] ffff88012cffdfd8 ffff88012cffdfd8 ffff88012cffdfd8 0000000000014500 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415365] ffff880139378000 ffff88007dd1af60 ffff88012cffd958 ffff8801389890a0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415367] Call Trace: Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415369] [<ffffffff8174f189>] schedule+0x29/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415377] [<ffffffffa00653a1>] wait_current_trans.isra.33+0xc1/0x120 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415379] [<ffffffff8108d380>] ? add_wait_queue+0x60/0x60 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415387] [<ffffffffa006720e>] start_transaction.part.35+0x2ee/0x510 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415394] [<ffffffffa0067459>] start_transaction+0x29/0x30 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415401] [<ffffffffa00676ab>] btrfs_start_transaction+0x1b/0x20 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415408] [<ffffffffa0071bc7>] btrfs_setsize.isra.55+0x57/0x200 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415416] [<ffffffffa0071e42>] btrfs_setattr+0xd2/0xf0 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415418] [<ffffffff811dc2fb>] notify_change+0x1cb/0x390 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415420] [<ffffffff812c9ec4>] ? truncate_upper.isra.16+0x134/0x230 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415422] [<ffffffff812ca118>] ecryptfs_setattr+0x158/0x320 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415424] [<ffffffff811dc2fb>] notify_change+0x1cb/0x390 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415426] [<ffffffff811be40e>] do_truncate+0x5e/0xa0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415428] [<ffffffff811cb30b>] handle_truncate+0x6b/0xa0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415430] [<ffffffff811d0092>] do_last+0x632/0x7c0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415431] [<ffffffff811d02e4>] path_openat+0xc4/0x4c0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415433] [<ffffffff811d1013>] do_filp_open+0x43/0xa0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415435] [<ffffffff811dd90e>] ? __alloc_fd+0xce/0x120 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415438] [<ffffffff811bf6c2>] do_sys_open+0x132/0x220 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415440] [<ffffffff811bf7ce>] SyS_open+0x1e/0x20 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415441] [<ffffffff81759dff>] tracesys+0xe1/0xe6 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415444] INFO: task mozStorage #2:3479 blocked for more than 120 seconds. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415540] Tainted: PF C O 3.12.5-031205-generic #201312120254 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415634] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415752] mozStorage #2 D ffffffff81811d80 0 3479 2676 0x00000000 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415754] ffff880072e8fc68 0000000000000002 0000000000000001 ffff880078a40000 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415756] ffff880072e8ffd8 ffff880072e8ffd8 ffff880072e8ffd8 0000000000014500 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415757] ffff88013935c710 ffff880078a40000 0000000000000001 ffff8800992ea8a8 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415762] Call Trace: Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415764] [<ffffffff8174f189>] schedule+0x29/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415766] [<ffffffff8174f4ae>] schedule_preempt_disabled+0xe/0x10 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415767] [<ffffffff8174d404>] __mutex_lock_slowpath+0x114/0x1b0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415769] [<ffffffff8174d4c3>] mutex_lock+0x23/0x40 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415772] [<ffffffff8173c4c5>] lookup_slow+0x36/0xab Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415773] [<ffffffff811cd7c7>] path_lookupat+0x737/0x760 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415775] [<ffffffff811cc0a0>] ? getname_flags.part.23+0x30/0x140 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415777] [<ffffffff811cd824>] filename_lookup+0x34/0xc0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415779] [<ffffffff811cc216>] ? getname_flags+0x66/0x80 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415780] [<ffffffff811d0ef9>] user_path_at_empty+0x59/0xa0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415783] [<ffffffff813358a9>] ? aa_alloc_task_context+0x39/0x40 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415786] [<ffffffff8133be5b>] ? apparmor_cred_prepare+0x3b/0x60 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415788] [<ffffffff811d0f51>] user_path_at+0x11/0x20 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415790] [<ffffffff811beb3c>] SyS_faccessat+0x9c/0x220 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415792] [<ffffffff8102297d>] ? syscall_trace_leave+0xdd/0x150 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415794] [<ffffffff811becd8>] SyS_access+0x18/0x20 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415796] [<ffffffff81759dff>] tracesys+0xe1/0xe6 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415797] INFO: task DOM Worker:3492 blocked for more than 120 seconds. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415892] Tainted: PF C O 3.12.5-031205-generic #201312120254 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.415986] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416104] DOM Worker D ffffffff81811d80 0 3492 2676 0x00000000 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416106] ffff880078aef9e8 0000000000000002 ffff8801371b21a0 ffff880136eb4800 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416108] ffff880078aeffd8 ffff880078aeffd8 ffff880078aeffd8 0000000000014500 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416110] ffff880139378000 ffff8801262eaf60 ffff880078aef9f8 ffff8801389890a0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416112] Call Trace: Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416113] [<ffffffff8174f189>] schedule+0x29/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416121] [<ffffffffa00653a1>] wait_current_trans.isra.33+0xc1/0x120 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416123] [<ffffffff8108d380>] ? add_wait_queue+0x60/0x60 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416130] [<ffffffffa006720e>] start_transaction.part.35+0x2ee/0x510 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416133] [<ffffffff811d876f>] ? __d_alloc+0x5f/0x180 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416135] [<ffffffff811d6788>] ? __d_instantiate+0x88/0x100 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416155] [<ffffffffa0067459>] start_transaction+0x29/0x30 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416162] [<ffffffffa00676ab>] btrfs_start_transaction+0x1b/0x20 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416170] [<ffffffffa0075596>] btrfs_create+0x46/0x220 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416172] [<ffffffff81300a2c>] ? security_inode_permission+0x1c/0x30 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416174] [<ffffffff811cf81d>] vfs_create+0xed/0x160 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416176] [<ffffffff812c98a7>] ecryptfs_do_create+0x57/0x130 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416178] [<ffffffff812ca97b>] ecryptfs_create+0x2b/0xc0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416180] [<ffffffff811cf81d>] vfs_create+0xed/0x160 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416181] [<ffffffff811cf9ce>] lookup_open+0x13e/0x1d0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416184] [<ffffffff811e0168>] ? __mnt_want_write+0x58/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416185] [<ffffffff811cfd46>] do_last+0x2e6/0x7c0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416187] [<ffffffff811d02e4>] path_openat+0xc4/0x4c0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416190] [<ffffffff8115b997>] ? __free_pages+0x47/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416192] [<ffffffff81179fcd>] ? tlb_finish_mmu+0x2d/0x40 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416194] [<ffffffff811d1013>] do_filp_open+0x43/0xa0 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416195] [<ffffffff811dd90e>] ? __alloc_fd+0xce/0x120 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416198] [<ffffffff811bf6c2>] do_sys_open+0x132/0x220 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416200] [<ffffffff8102297d>] ? syscall_trace_leave+0xdd/0x150 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416202] [<ffffffff811bf7ce>] SyS_open+0x1e/0x20 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416204] [<ffffffff81759dff>] tracesys+0xe1/0xe6 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416205] INFO: task mozStorage #3:3514 blocked for more than 120 seconds. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416301] Tainted: PF C O 3.12.5-031205-generic #201312120254 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416395] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416514] mozStorage #3 D ffffffff81811d80 0 3514 2676 0x00000000 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416515] ffff880078a67d28 0000000000000002 ffff880078a67cd8 ffffffffa0080bc2 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416517] ffff880078a67fd8 ffff880078a67fd8 ffff880078a67fd8 0000000000014500 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416519] ffffffff81c144a0 ffff880072cd2f60 ffff880078a67d38 ffff880136eb4800 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416521] Call Trace: Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416530] [<ffffffffa0080bc2>] ? free_extent_buffer.part.41+0x32/0x90 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416532] [<ffffffff8174f189>] schedule+0x29/0x70 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416541] [<ffffffffa009d36c>] wait_log_commit.isra.21+0x10c/0x130 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416544] [<ffffffff8108d380>] ? add_wait_queue+0x60/0x60 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416552] [<ffffffffa00a2f32>] btrfs_sync_log+0x442/0x6d0 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416554] [<ffffffff811d7510>] ? dput+0x20/0x90 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416563] [<ffffffffa0077bfb>] btrfs_sync_file+0x27b/0x2e0 [btrfs] Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416565] [<ffffffff811efe0b>] vfs_fsync+0x2b/0x40 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416567] [<ffffffff812c8ddd>] ecryptfs_fsync+0x3d/0x50 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416569] [<ffffffff811efeed>] do_fsync+0x5d/0x90 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416570] [<ffffffff811f02d0>] SyS_fsync+0x10/0x20 Dec 16 21:39:19 Ubunto4ka kernel: [ 8158.416572] [<ffffffff81759dff>] tracesys+0xe1/0xe6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250828 Title: freeze on diskIO without real IO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1250828/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
