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