freeze was 15+ seconds uname -a Linux Ubunto4ka 3.12.2-031202-generic #201311291538 SMP Fri Nov 29 20:39:07 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.2-trusty/
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 -- 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
