blocked for more than 120 seconds issues with iowait and timeout on Live Linux distribution while writing to physical disk

This happened while an mdadm array was syncing, all access from writing a new blank file to opening a small .txt file was very slow:

[222117.312078] kjournald starting. Commit interval 5 seconds
[222117.685060] EXT3-fs (md0): using internal journal
[222117.685096] EXT3-fs (md0): mounted filesystem with ordered data mode
[222122.376847] kjournald starting. Commit interval 5 seconds
[222122.602825] EXT3-fs (md2): using internal journal
[222122.602866] EXT3-fs (md2): mounted filesystem with ordered data mode
[223081.568032] INFO: task kjournald:352 blocked for more than 120 seconds.
[223081.568069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[223081.568121] kjournald D ef1e41c0 0 352 2 0x00000000
[223081.568157] eee0dac0 00000046 ef1e41c0 ef1e41c0 0000cab8 00000000 e971ee70 22650000
[223081.568219] e8c11c9f ccb941c0 eee0dc74 ccb941c0 eee0dac0 ccb941c0 ccb941c0 00000000
[223081.568280] eee0daf4 eee0daf4 ef1e4204 ff48eeaf c102e1e0 e971ee70 00000012 ff48eeaf
[223081.568341] Call Trace:
[223081.568375] [] ? dequeue_task_fair+0x149/0x1d6
[223081.568411] [] ? journal_commit_transaction+0x12c/0xd02
[223081.568446] [] ? __schedule+0x5cb/0x5f2
[223081.568478] [] ? wake_up_bit+0x56/0x56
[223081.568510] [] ? lock_timer_base+0x19/0x34
[223081.568541] [] ? try_to_del_timer_sync+0x5c/0x63
[223081.568574] [] ? kjournald+0xb5/0x1cc
[223081.568604] [] ? wake_up_bit+0x56/0x56
[223081.568633] [] ? commit_timeout+0x5/0x5
[223081.568663] [] ? kthread+0x63/0x68
[223081.568692] [] ? kthread_worker_fn+0x114/0x114
[223081.568725] [] ? kernel_thread_helper+0x6/0xd
[223081.568756] INFO: task vi:530 blocked for more than 120 seconds.
[223081.568787] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[223081.568838] vi D 00000002 0 530 32563 0x00000004
[223081.568873] cc72dee0 00000086 00000003 00000002 c1098a00 00000000 00204033 22636000
[223081.572601] 00000002 ccb941c0 cc72e094 ccb941c0 cc72dee0 ccb941c0 ccb941c0 eec86180
[223081.572662] c10284ce 00000002 00000001 00000005 cc263dec 00000000 00000001 eec03870
[223081.572723] Call Trace:
[223081.572751] [] ? __alloc_pages_nodemask+0x121/0x572
[223081.572785] [] ? find_busiest_group+0x244/0x7e5
[223081.572818] [] ? timekeeping_get_ns+0x10/0x48
[223081.572850] [] ? ktime_get_ts+0x76/0x7d
[223081.572880] [] ? io_schedule+0x6c/0xa4
[223081.572911] [] ? sleep_on_buffer+0x5/0x8
[223081.572941] [] ? __wait_on_bit_lock+0x2f/0x68
[223081.572973] [] ? unmap_underlying_metadata+0x41/0x41
[223081.573005] [] ? unmap_underlying_metadata+0x41/0x41
[223081.573037] [] ? out_of_line_wait_on_bit_lock+0x9b/0xa3
[223081.573071] [] ? autoremove_wake_function+0x29/0x29
[223081.573103] [] ? __lock_buffer+0x1c/0x1e
[223081.573133] [] ? do_get_write_access+0x4f/0x305
[223081.573166] [] ? start_this_handle+0x27a/0x2d6
[223081.573197] [] ? journal_add_journal_head+0x85/0xec
[223081.573230] [] ? journal_get_write_access+0x18/0x26
[223081.573263] [] ? __ext3_journal_get_write_access+0x16/0x36
[223081.573298] [] ? ext3_orphan_add+0x78/0x13e
[223081.573328] [] ? journal_start+0x80/0xa7
[223081.573359] [] ? ext3_setattr+0x180/0x2ad
[223081.573391] [] ? notify_change+0x182/0x252
[223081.573424] [] ? do_truncate+0x61/0x77
[223081.573455] [] ? do_last+0x4c4/0x52f
[223081.573485] [] ? path_openat+0x9f/0x285
[223081.573514] [] ? do_filp_open+0x21/0x5d
[223081.573545] [] ? kmem_cache_alloc+0x21/0xd9
[223081.573576] [] ? getname_flags+0x24/0xd5
[223081.573606] [] ? do_sys_open+0x58/0xd1
[223081.573636] [] ? sys_open+0x1e/0x23
[223081.573666] [] ? syscall_call+0x7/0x7


[224161.572060] INFO: task kjournald:349 blocked for more than 120 seconds.
[224161.572099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[224161.572151] kjournald D ef1e41c0 0 349 2 0x00000000
[224161.572187] eee0f7a0 00000046 ef1e41c0 ef1e41c0 0000cbae 00000000 e07bdd83 22650000
[224161.572248] dfcdf1fd ccb941c0 eee0f954 ccb941c0 eee0f7a0 ccb941c0 ccb941c0 00000000
[224161.572310] eee0f7d4 eee0f7d4 ef1e4204 ff52147a c102e1e0 e07bdd83 0000001d ff52147a
[224161.572371] Call Trace:
[224161.572405] [] ? dequeue_task_fair+0x149/0x1d6
[224161.572441] [] ? journal_commit_transaction+0x12c/0xd02
[224161.572477] [] ? __schedule+0x5cb/0x5f2
[224161.572509] [] ? wake_up_bit+0x56/0x56
[224161.572541] [] ? lock_timer_base+0x19/0x34
[224161.572573] [] ? try_to_del_timer_sync+0x5c/0x63
[224161.572605] [] ? kjournald+0xb5/0x1cc
[224161.572635] [] ? wake_up_bit+0x56/0x56
[224161.572664] [] ? commit_timeout+0x5/0x5
[224161.572694] [] ? kthread+0x63/0x68
[224161.572723] [] ? kthread_worker_fn+0x114/0x114
[224161.572757] [] ? kernel_thread_helper+0x6/0xd
[224161.572789] INFO: task vi:791 blocked for more than 120 seconds.
[224161.572821] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[224161.572872] vi D 00000010 0 791 552 0x00000000
[224161.572907] cc47f380 00000086 00000040 00000010 c1820380 00000000 00000000 22629000
[224161.572968] 00000002 ccb941c0 cc47f534 ccb941c0 cc47f380 ccb941c0 ccb941c0 ef1b8c40
[224161.573029] eec03870 eec44a40 c14747c5 eec03860 eec86100 c10284ce 00000002 00000001
[224161.573090] Call Trace:
[224161.573117] [] ? cpumask_next_and+0x20/0x2b
[224161.573150] [] ? find_busiest_group+0x244/0x7e5
[224161.573183] [] ? timekeeping_get_ns+0x10/0x48
[224161.573214] [] ? ktime_get_ts+0x76/0x7d
[224161.573244] [] ? io_schedule+0x6c/0xa4
[224161.573275] [] ? sleep_on_buffer+0x5/0x8
[224161.573305] [] ? __wait_on_bit_lock+0x2f/0x68
[224161.573337] [] ? unmap_underlying_metadata+0x41/0x41
[224161.573370] [] ? unmap_underlying_metadata+0x41/0x41
[224161.573402] [] ? out_of_line_wait_on_bit_lock+0x9b/0xa3
[224161.573435] [] ? autoremove_wake_function+0x29/0x29
[224161.573468] [] ? __lock_buffer+0x1c/0x1e
[224161.573498] [] ? do_get_write_access+0x4f/0x305
[224161.573530] [] ? journal_add_journal_head+0x85/0xec
[224161.573562] [] ? journal_get_write_access+0x18/0x26
[224161.573596] [] ? __ext3_journal_get_write_access+0x16/0x36
[224161.573630] [] ? ext3_reserve_inode_write+0x2d/0x5a
[224161.573663] [] ? ext3_orphan_add+0x90/0x13e
[224161.573693] [] ? ext3_setattr+0x180/0x2ad
[224161.573726] [] ? notify_change+0x182/0x252
[224161.573758] [] ? do_truncate+0x61/0x77
[224161.573790] [] ? do_last+0x4c4/0x52f
[224161.573819] [] ? path_openat+0x230/0x285
[224161.573849] [] ? do_filp_open+0x21/0x5d
[224161.573880] [] ? getname_flags+0x24/0xd5
[224161.573910] [] ? do_sys_open+0x58/0xd1
[224161.573940] [] ? sys_open+0x1e/0x23
[224161.573970] [] ? syscall_call+0x7/0x7
[224161.573999] INFO: task grub:817 blocked for more than 120 seconds.
[224161.574031] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[224161.574082] grub D 00000002 0 817 32563 0x00000004
[224161.574117] cc47eb40 00000082 c109a37f 00000002 0000000e 00000000 c9eabec4 22643000
[224161.574178] 00000000 ccb941c0 cc47ecf4 ccb941c0 cc47eb40 ccb941c0 ccb941c0 c9eabf1c
[224161.574239] c1093d65 0000000e 00000001 c9eabf38 00000000 c9eabf34 00000000 c8270270
[224161.574300] Call Trace:
[224161.574325] [] ? write_cache_pages+0x10d/0x2be
[224161.574358] [] ? find_get_pages_tag+0x37/0xd1
[224161.574390] [] ? __wake_up+0x2c/0x3b
[224161.574419] [] ? prepare_to_wait+0x14/0x52
[224161.574450] [] ? log_wait_commit+0xa9/0xf1
[224161.574480] [] ? wake_up_bit+0x56/0x56
[224161.574510] [] ? ext3_sync_fs+0x5d/0x67
[224161.574541] [] ? dquot_quota_sync+0x193/0x235
[224161.574572] [] ? dquot_file_open+0x25/0x25
[224161.574603] [] ? __sync_filesystem+0x69/0x69
[224161.574634] [] ? __sync_filesystem+0x30/0x69
[224161.574664] [] ? iterate_supers+0x4e/0x8d
[224161.574695] [] ? sys_sync+0x36/0x49
[224161.574724] [] ? syscall_call+0x7/0x7


Tags:

blocked, iowait, timeout, linux, diskthis, mdadm, array, syncing, txt, kjournald, interval, ext, fs, md, mounted, filesystem, mode, info, task, quot, echo, proc, sys, kernel, hung_task_timeout_secs, disables, ef, eee, dac, ee, ccb, dc, daf, ff, eeaf, dequeue_task_fair, journal_commit_transaction, xd, __schedule, cb, wake_up_bit, bfe, lock_timer_base, try_to_del_timer_sync, xb, cc, commit_timeout, kthread, kthread_worker_fn, cbbe, kernel_thread_helper, vi, dee, eec, ce, dec, __alloc_pages_nodemask, find_busiest_group, timekeeping_get_ns, ktime_get_ts, fff, io_schedule, xa, sleep_on_buffer, __wait_on_bit_lock, eb, unmap_underlying_metadata, out_of_line_wait_on_bit_lock, autoremove_wake_function, __lock_buffer, do_get_write_access, start_this_handle, journal_add_journal_head, xec, journal_get_write_access, fde, __ext, _journal_get_write_access, ae, _orphan_add, journal_start, _setattr, notify_change, do_truncate, do_last, path_openat, aa, do_filp_open, kmem_cache_alloc, getname_flags, do_sys_open, sys_open, syscall_call, cbae, bdd, dfcdf, fd, cpumask_next_and, _reserve_inode_write, aeb, grub, eabec, ecf, eabf, write_cache_pages, find_get_pages_tag, __wake_up, prepare_to_wait, log_wait_commit, xf, _sync_fs, dquot_quota_sync, bdc, dquot_file_open, fc, __sync_filesystem, iterate_supers, sys_sync,

Latest Articles

  • Unable to mount location Failed to retrieve share list from server: Connection timed out - Samba/Linux Filesharing Not working Ubuntu Mint Linux Solution
  • How To Resize, Reduce a Video to a Specific Size and Quality Ubuntu Linux using ffmpeg
  • vi how to delete all lines in the file
  • Linux Mint / Ubuntu 20 Intel I219 NIC disconnects
  • Linux can't boot/grub boot loader screen with no options solution
  • EFI PXE grub2 Howto guide for Linux EFI PXE Booting on Debian, Mint, Ubuntu, RHEL
  • Aruba/HP/Dell IAP Wireless Controller Common Default Passwords
  • Debian, Mint Ubuntu how to remove package and associated config files
  • Linux Grub not booting the intended kernel solution in Debian, Mint, Ubuntu how to specify which kernel to boot by default
  • QEMU KVM Keyboard Problems Not Working Right Repeating Characters, Ctrl+C Copy and Paste not working right when using PS2 mouse in guests Solution
  • Linux how to compile binary with static sharedobjects embedded instead of dynamic to use on multi-distributions and avoid glibc compatiblity issues
  • /bin/sh: msgfmt: not found error solution on Linux Compilation Ubuntu Debian Mint Centos
  • Mikrotik RouterOS CHR/ISO Basic and Quick Setup Howto Guide
  • qemu 4 compilation options
  • CentOS 7 8 PXEBoot Netinstall Not Working Solution "Pane is dead "new value non-exisetnt xfs filesystem is not valid as a default fs type"
  • CentOS 6 EOL yum repo won't work Error: Cannot find a valid baseurl for repo: base Solution
  • CentOS 7 8 How To Disable SELinux
  • Wordpress How To Add Featured Image To Post in Hueman Theme
  • kdenlive full reset how to erase all config files
  • CentOS 7 8 yum error Trying other mirror. To address this issue please refer to the below wiki article