RAID5 md device hangs during resync

Solution Unverified - Updated -

Issue

  • RAID5 md device hangs during resync:

    PID: 1076372  TASK: ffffa031c545c000  CPU: 4    COMMAND: "md0_resync"
#0 [ffffc1f2e2f67be0] __schedule at ffffffff85c0e191
#1 [ffffc1f2e2f67c38] schedule at ffffffff85c0e785
#2 [ffffc1f2e2f67c50] raid5_get_active_stripe at ffffffffc06ba90e [raid456]
#3 [ffffc1f2e2f67cd0] raid5_sync_request at ffffffffc06bf88d [raid456]
#4 [ffffc1f2e2f67d38] md_do_sync.cold.94 at ffffffff85996b8f
#5 [ffffc1f2e2f67eb8] md_thread at ffffffff859887d4
#6 [ffffc1f2e2f67f10] kthread at ffffffff8531e974
#7 [ffffc1f2e2f67f50] ret_from_fork at ffffffff85e0028f

Environment

  • Red Hat Enterprise Linux 8

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