System hang with I/O stalled due to incorrect ctx pending bit

Solution Unverified - Updated -

Issue

  • System hang with I/O stalled due to incorrect ctx pending bit:
INFO: task jbd2/dm-18-8:1810 blocked for more than 3600 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/dm-18-8    D ffff89bbb7cadee0     0  1810      2 0x00000000
Call Trace:
 [<ffffffffaa712f49>] schedule+0x29/0x70
 [<ffffffffc06522ac>] jbd2_journal_commit_transaction+0x23c/0x19b0 [jbd2]
 [<ffffffffaa0d1f75>] ? sched_clock_cpu+0x85/0xc0
 [<ffffffffaa02959e>] ? __switch_to+0xce/0x580
 [<ffffffffaa0bbe20>] ? wake_up_atomic_t+0x30/0x30
 [<ffffffffaa71291c>] ? __schedule+0x41c/0xa20
 [<ffffffffaa0a376e>] ? try_to_del_timer_sync+0x5e/0x90
 [<ffffffffc0658ab9>] kjournald2+0xc9/0x260 [jbd2]
 [<ffffffffaa0bbe20>] ? wake_up_atomic_t+0x30/0x30
 [<ffffffffc06589f0>] ? commit_timeout+0x10/0x10 [jbd2]
 [<ffffffffaa0bae31>] kthread+0xd1/0xe0
 [<ffffffffaa0bad60>] ? insert_kthread_work+0x40/0x40
 [<ffffffffaa71f61d>] ret_from_fork_nospec_begin+0x7/0x21
 [<ffffffffaa0bad60>] ? insert_kthread_work+0x40/0x40

Environment

  • Red Hat Enterprise Linux 7

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