Hi,<br><br>I have this machine with postfix and mailscanner, and this system freeze, all processes has problem with disk I/O and CPU has load 300, someone has a light about this?<br><br>Thanks<br><div class="gmail_quote"><br>
INFO: task jbd2/dm-0-8:338 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>jbd2/dm-0-8 D 0000000000000002 0 338 2 0x00000000<br>
ffff8801d029bb20 0000000000000046 ffff8801d029bad0 ffffffff81350925<br>
0000000000000000 00000000b3544cd1 ffff8801d029ba90 ffff8801d029bfd8<br> ffff8801d029bfd8 000000000000f9b0 00000000000157c0 ffff8801cff3c9b8<br>Call Trace:<br> [<ffffffff81350925>] ? dm_table_unplug_all+0x53/0xc2<br>
[<ffffffff8106c220>] ? ktime_get_ts+0xad/0xba<br> [<ffffffff810c10cc>] ? sync_page+0x0/0x45<br> [<ffffffff81429834>] io_schedule+0x6e/0xb0<br> [<ffffffff810c110d>] sync_page+0x41/0x45<br> [<ffffffff81429d70>] __wait_on_bit+0x43/0x76<br>
[<ffffffff810c1266>] wait_on_page_bit+0x6d/0x74<br> [<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br> [<ffffffff810c927c>] ? pagevec_lookup_tag+0x20/0x29<br> [<ffffffff810c1509>] filemap_fdatawait_range+0x9f/0x173<br>
[<ffffffff811eaa41>] ? submit_bio+0xcd/0xea<br> [<ffffffff810c15f9>] filemap_fdatawait+0x1c/0x1e<br> [<ffffffff811a2c84>] jbd2_journal_commit_transaction+0x885/0x11d5<br> [<ffffffff8103ce10>] ? pick_next_task_fair+0xd3/0xe2<br>
[<ffffffff810586f0>] ? try_to_del_timer_sync+0x6e/0x7c<br> [<ffffffff811a83da>] kjournald2+0xc1/0x1fe<br> [<ffffffff8106480b>] ? autoremove_wake_function+0x0/0x34<br> [<ffffffff811a8319>] ? kjournald2+0x0/0x1fe<br>
[<ffffffff810643bb>] kthread+0x7a/0x82<br> [<ffffffff8100a924>] kernel_thread_helper+0x4/0x10<br> [<ffffffff81064341>] ? kthread+0x0/0x82<br> [<ffffffff8100a920>] ? kernel_thread_helper+0x0/0x10<br>
INFO: task flush-253:0:876 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>flush-253:0 D ffff8800084557c0 0 876 2 0x00000000<br>
ffff8801d109b680 0000000000000046 ffff8801d109b630 ffff8801d00f39c0<br> ffff8801d109b630 0000000000011210 00000003d109b648 ffff8801d109bfd8<br> ffff8801d109bfd8 000000000000f9b0 00000000000157c0 ffff8801d13d03c8<br>Call Trace:<br>
[<ffffffff81064a7d>] ? prepare_to_wait+0x67/0x74<br> [<ffffffff811a1c6a>] do_get_write_access+0x1f4/0x3fe<br> [<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br> [<ffffffff811a76b8>] ? jbd2_journal_add_journal_head+0xba/0x138<br>
[<ffffffff811a1faf>] jbd2_journal_get_write_access+0x26/0x3d<br> [<ffffffff8118f28a>] __ext4_journal_get_write_access+0x50/0x5a<br> [<ffffffff811915f2>] ext4_mb_mark_diskspace_used+0xa4/0x2b5<br> [<ffffffff81194a45>] ext4_mb_new_blocks+0x1e0/0x3cd<br>
[<ffffffff8118c17a>] ? ext4_ext_find_extent+0x4e/0x27f<br> [<ffffffff8118ecf9>] ext4_ext_get_blocks+0x12fd/0x1588<br> [<ffffffff810fe657>] ? lookup_page_cgroup+0x2d/0x43<br> [<ffffffff810c0cfa>] ? find_get_pages_tag+0x36/0xd6<br>
[<ffffffff81172df6>] ext4_get_blocks+0x14d/0x232<br> [<ffffffff810c927c>] ? pagevec_lookup_tag+0x20/0x29<br> [<ffffffff811732f7>] mpage_da_map_blocks+0x96/0x305<br> [<ffffffff81173892>] ext4_da_writepages+0x32c/0x525<br>
[<ffffffff810c8b30>] do_writepages+0x1c/0x25<br> [<ffffffff8111baee>] writeback_single_inode+0xbe/0x203<br> [<ffffffff8111c202>] writeback_inodes_wb+0x2ef/0x380<br> [<ffffffff8111c3d0>] wb_writeback+0x13d/0x1bc<br>
[<ffffffff8111c60f>] wb_do_writeback+0x1a8/0x1be<br> [<ffffffff8111c65f>] bdi_writeback_task+0x3a/0xab<br> [<ffffffff810d5a8c>] ? bdi_start_fn+0x0/0xd4<br> [<ffffffff810d5af8>] bdi_start_fn+0x6c/0xd4<br>
[<ffffffff810d5a8c>] ? bdi_start_fn+0x0/0xd4<br> [<ffffffff810643bb>] kthread+0x7a/0x82<br> [<ffffffff8100a924>] kernel_thread_helper+0x4/0x10<br> [<ffffffff81064341>] ? kthread+0x0/0x82<br> [<ffffffff8100a920>] ? kernel_thread_helper+0x0/0x10<br>
INFO: task rsyslogd:961 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>rsyslogd D ffff8800084557c0 0 961 1 0x00000080<br> ffff8801d0c75a48 0000000000000082 ffff8801d0c759c8 ffffea00063385c8<br>
ffff8801d0c75a18 0000000000000000 ffffea00063385c8 ffff8801d0c75fd8<br> ffff8801d0c75fd8 000000000000f9b0 00000000000157c0 ffff8801cfc41b18<br>Call Trace:<br> [<ffffffff81064a7d>] ? prepare_to_wait+0x67/0x74<br> [<ffffffff811a1c6a>] do_get_write_access+0x1f4/0x3fe<br>
[<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br> [<ffffffff811a76b8>] ? jbd2_journal_add_journal_head+0xba/0x138<br> [<ffffffff811a1faf>] jbd2_journal_get_write_access+0x26/0x3d<br> [<ffffffff8118f28a>] __ext4_journal_get_write_access+0x50/0x5a<br>
[<ffffffff811713c2>] ext4_reserve_inode_write+0x37/0x77<br> [<ffffffff8117144e>] ext4_mark_inode_dirty+0x4c/0x19c<br> [<ffffffff811a12e4>] ? jbd2_journal_start+0x97/0xc8<br> [<ffffffff811716bb>] ext4_dirty_inode+0x31/0x45<br>
[<ffffffff8111bdec>] __mark_inode_dirty+0x2f/0x126<br> [<ffffffff81113061>] file_update_time+0xf8/0x11c<br> [<ffffffff810c1960>] __generic_file_aio_write+0x15f/0x27c<br> [<ffffffff8103aa10>] ? __might_sleep+0x1/0xea<br>
[<ffffffff810c1ad5>] generic_file_aio_write+0x58/0xa2<br> [<ffffffff8116c8d5>] ext4_file_write+0x89/0x90<br> [<ffffffff81101575>] do_sync_write+0xbf/0xfc<br> [<ffffffff81429730>] ? schedule+0x850/0x8e6<br>
[<ffffffff8101001f>] ? native_sched_clock+0x2d/0x5f<br> [<ffffffff811be083>] ? security_file_permission+0x11/0x13<br> [<ffffffff81101ad3>] vfs_write+0xa9/0x106<br> [<ffffffff81101be6>] sys_write+0x45/0x69<br>
[<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>INFO: task MailScanner:1403 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>MailScanner D ffff8800084557c0 0 1403 1199 0x00000080<br>
ffff88019e361a48 0000000000000086 ffff88019e3619c8 ffffea000681a730<br> ffff88019e361a18 0000000000000000 ffffea000681a730 ffff88019e361fd8<br> ffff88019e361fd8 000000000000f9b0 00000000000157c0 ffff8801a079e108<br>Call Trace:<br>
[<ffffffff81064a7d>] ? prepare_to_wait+0x67/0x74<br> [<ffffffff811a1c6a>] do_get_write_access+0x1f4/0x3fe<br> [<ffffffff8100a4ce>] ? apic_timer_interrupt+0xe/0x20<br> [<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br>
[<ffffffff811a76b8>] ? jbd2_journal_add_journal_head+0xba/0x138<br> [<ffffffff811a1faf>] jbd2_journal_get_write_access+0x26/0x3d<br> [<ffffffff8118f28a>] __ext4_journal_get_write_access+0x50/0x5a<br> [<ffffffff811713c2>] ext4_reserve_inode_write+0x37/0x77<br>
[<ffffffff8117144e>] ext4_mark_inode_dirty+0x4c/0x19c<br> [<ffffffff811a12e4>] ? jbd2_journal_start+0x97/0xc8<br> [<ffffffff811716bb>] ext4_dirty_inode+0x31/0x45<br> [<ffffffff8111bdec>] __mark_inode_dirty+0x2f/0x126<br>
[<ffffffff81113061>] file_update_time+0xf8/0x11c<br> [<ffffffff810c1960>] __generic_file_aio_write+0x15f/0x27c<br> [<ffffffff810c27de>] ? generic_file_aio_read+0x4eb/0x53d<br> [<ffffffff810c1ad5>] generic_file_aio_write+0x58/0xa2<br>
[<ffffffff8116c8d5>] ext4_file_write+0x89/0x90<br> [<ffffffff81101575>] do_sync_write+0xbf/0xfc<br> [<ffffffff81044784>] ? finish_task_switch+0x43/0xb2<br> [<ffffffff81429730>] ? schedule+0x850/0x8e6<br>
[<ffffffff811be083>] ? security_file_permission+0x11/0x13<br> [<ffffffff81101ad3>] vfs_write+0xa9/0x106<br> [<ffffffff81101be6>] sys_write+0x45/0x69<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>
INFO: task cleanup:17440 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>cleanup D ffff8800084557c0 0 17440 1134 0x00000080<br> ffff8801cc565a48 0000000000000082 ffff8801d31a5b00 ffffea0004cfa7d8<br>
ffff8801cc565a78 0000000000000000 ffffea0004cfa7d8 ffff8801cc565fd8<br> ffff8801cc565fd8 000000000000f9b0 00000000000157c0 ffff8801a7431b18<br>Call Trace:<br> [<ffffffff81064a7d>] ? prepare_to_wait+0x67/0x74<br> [<ffffffff811a1c6a>] do_get_write_access+0x1f4/0x3fe<br>
[<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br> [<ffffffff811a76b8>] ? jbd2_journal_add_journal_head+0xba/0x138<br> [<ffffffff811a1faf>] jbd2_journal_get_write_access+0x26/0x3d<br> [<ffffffff8118f28a>] __ext4_journal_get_write_access+0x50/0x5a<br>
[<ffffffff811713c2>] ext4_reserve_inode_write+0x37/0x77<br> [<ffffffff8117144e>] ext4_mark_inode_dirty+0x4c/0x19c<br> [<ffffffff811a12e4>] ? jbd2_journal_start+0x97/0xc8<br> [<ffffffff811716bb>] ext4_dirty_inode+0x31/0x45<br>
[<ffffffff8111bdec>] __mark_inode_dirty+0x2f/0x126<br> [<ffffffff81113061>] file_update_time+0xf8/0x11c<br> [<ffffffff810c1960>] __generic_file_aio_write+0x15f/0x27c<br> [<ffffffff810c1ad5>] generic_file_aio_write+0x58/0xa2<br>
[<ffffffff8116c8d5>] ext4_file_write+0x89/0x90<br> [<ffffffff81101575>] do_sync_write+0xbf/0xfc<br> [<ffffffff811be083>] ? security_file_permission+0x11/0x13<br> [<ffffffff81101ad3>] vfs_write+0xa9/0x106<br>
[<ffffffff81101be6>] sys_write+0x45/0x69<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>INFO: task smtp:25367 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>
smtp D ffff8800084557c0 0 25367 1134 0x00000080<br> ffff8801a4b69e38 0000000000000082 ffff8801a4b69d80 0000000000000000<br> 19000a4300000000 ffff8801a4b69ec8 0000000000000001 ffff8801a4b69fd8<br> ffff8801a4b69fd8 000000000000f9b0 00000000000157c0 ffff8801865e6108<br>
Call Trace:<br> [<ffffffff81101671>] ? do_sync_read+0xbf/0xfc<br> [<ffffffff81429fe3>] __mutex_lock_common+0x135/0x19c<br> [<ffffffff8142a05e>] __mutex_lock_slowpath+0x14/0x16<br> [<ffffffff8142a165>] mutex_lock+0x31/0x4b<br>
[<ffffffff81101f55>] generic_file_llseek+0x27/0x59<br> [<ffffffff81101110>] vfs_llseek+0x35/0x37<br> [<ffffffff8110124d>] sys_lseek+0x3e/0x5a<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>
INFO: task smtp:25373 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>smtp D ffff8800084157c0 0 25373 1134 0x00000080<br> ffff88016f9a9a48 0000000000000082 0000000000000001 ffffea000545db88<br>
ffff88016f9a9a78 0000000000000000 ffffea000545db88 ffff88016f9a9fd8<br> ffff88016f9a9fd8 000000000000f9b0 00000000000157c0 ffff8801d1b33268<br>Call Trace:<br> [<ffffffff81064a7d>] ? prepare_to_wait+0x67/0x74<br> [<ffffffff811a1c6a>] do_get_write_access+0x1f4/0x3fe<br>
[<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br> [<ffffffff811a76b8>] ? jbd2_journal_add_journal_head+0xba/0x138<br> [<ffffffff811a1faf>] jbd2_journal_get_write_access+0x26/0x3d<br> [<ffffffff8118f28a>] __ext4_journal_get_write_access+0x50/0x5a<br>
[<ffffffff811713c2>] ext4_reserve_inode_write+0x37/0x77<br> [<ffffffff8117144e>] ext4_mark_inode_dirty+0x4c/0x19c<br> [<ffffffff811a12e4>] ? jbd2_journal_start+0x97/0xc8<br> [<ffffffff811716bb>] ext4_dirty_inode+0x31/0x45<br>
[<ffffffff8111bdec>] __mark_inode_dirty+0x2f/0x126<br> [<ffffffff81113061>] file_update_time+0xf8/0x11c<br> [<ffffffff810c1960>] __generic_file_aio_write+0x15f/0x27c<br> [<ffffffff810c1ad5>] generic_file_aio_write+0x58/0xa2<br>
[<ffffffff8116c8d5>] ext4_file_write+0x89/0x90<br> [<ffffffff81101575>] do_sync_write+0xbf/0xfc<br> [<ffffffff811be083>] ? security_file_permission+0x11/0x13<br> [<ffffffff81101ad3>] vfs_write+0xa9/0x106<br>
[<ffffffff81101be6>] sys_write+0x45/0x69<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>INFO: task smtp:25379 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>
smtp D ffff8800084157c0 0 25379 1134 0x00000080<br> ffff8801d20c7e38 0000000000000086 ffff8801d20c7d98 ffffffff810c11ac<br> ffff88015c8e59a0 ffffea0006487b80 ffff8801d20c7e38 ffff8801d20c7fd8<br> ffff8801d20c7fd8 000000000000f9b0 00000000000157c0 ffff8801d12f49b8<br>
Call Trace:<br> [<ffffffff810c11ac>] ? unlock_page+0x22/0x27<br> [<ffffffff81429fe3>] __mutex_lock_common+0x135/0x19c<br> [<ffffffff8142a05e>] __mutex_lock_slowpath+0x14/0x16<br> [<ffffffff8142a165>] mutex_lock+0x31/0x4b<br>
[<ffffffff81101f55>] generic_file_llseek+0x27/0x59<br> [<ffffffff81101110>] vfs_llseek+0x35/0x37<br> [<ffffffff8110124d>] sys_lseek+0x3e/0x5a<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>
INFO: task smtp:25389 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>smtp D ffff8800084557c0 0 25389 1134 0x00000080<br> ffff8801d1cdbe38 0000000000000086 ffff8801d1cdbd80 0000000000000000<br>
0000000000000000 ffff8801d1cdbec8 0000000000000001 ffff8801d1cdbfd8<br> ffff8801d1cdbfd8 000000000000f9b0 00000000000157c0 ffff8801afb4c9b8<br>Call Trace:<br> [<ffffffff81101671>] ? do_sync_read+0xbf/0xfc<br> [<ffffffff81429fe3>] __mutex_lock_common+0x135/0x19c<br>
[<ffffffff8142a05e>] __mutex_lock_slowpath+0x14/0x16<br> [<ffffffff8142a165>] mutex_lock+0x31/0x4b<br> [<ffffffff81101f55>] generic_file_llseek+0x27/0x59<br> [<ffffffff81101110>] vfs_llseek+0x35/0x37<br>
[<ffffffff8110124d>] sys_lseek+0x3e/0x5a<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br>INFO: task cleanup:25736 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>
cleanup D ffff8800084557c0 0 25736 1134 0x00000080<br> ffff8801d277fb28 0000000000000086 ffff8801d277fb28 ffffffff81175445<br> ffff8801d277fbd8 010188013b111900 0000000000000020 ffff8801d277ffd8<br> ffff8801d277ffd8 000000000000f9b0 00000000000157c0 ffff8801d1d1e108<br>
Call Trace:<br> [<ffffffff81175445>] ? ext4_getblk+0xd0/0x19d<br> [<ffffffff81064a7d>] ? prepare_to_wait+0x67/0x74<br> [<ffffffff811a1c6a>] do_get_write_access+0x1f4/0x3fe<br> [<ffffffff8106483f>] ? wake_bit_function+0x0/0x2e<br>
[<ffffffff811a76b8>] ? jbd2_journal_add_journal_head+0xba/0x138<br> [<ffffffff811a1faf>] jbd2_journal_get_write_access+0x26/0x3d<br> [<ffffffff8118f28a>] __ext4_journal_get_write_access+0x50/0x5a<br> [<ffffffff8116dc2a>] ext4_new_inode+0x4ac/0xd06<br>
[<ffffffff811785ea>] ext4_create+0xc0/0x150<br> [<ffffffff8110a3da>] vfs_create+0x73/0x95<br> [<ffffffff8110c9b9>] do_filp_open+0x36c/0xad5<br> [<ffffffff812049dd>] ? might_fault+0x1c/0x1e<br> [<ffffffff81115551>] ? alloc_fd+0x76/0x11f<br>
[<ffffffff810ffd0e>] do_sys_open+0x5e/0x10a<br> [<ffffffff810ffde3>] sys_open+0x1b/0x1d<br> [<ffffffff81009b02>] system_call_fastpath+0x16/0x1b<br><br>
</div><br>