udevd worker unexpectedly returned with status 0x0100

Solution Verified - Updated -

Issue

  • A host was losing paths to storage which is configured using device mapper multipath and as they came back, a lot of following errors occurred:

    udevd[11136]: worker [13191] failed while handling '/devices/pci0000:00/0000:00:03.2/0000:04:00.1/host2/rport-2:0-4/target2:0:2/2:0:2:31/scsi_device/2:0:2:31'
    udevd[11136]: worker [13192] unexpectedly returned with status 0x0100
    udevd[11136]: worker [13193] failed while handling '/devices/pci0000:00/0000:00:03.2/0000:04:00.1/host2/rport-2:0-5/target2:0:3/2:0:3:32/block/sdvv'
    udevd[11136]: worker [13204] unexpectedly returned with status 0x0100
    
  • When rebooting a system, error similar to the ones above are experienced

  • Rebooting RHEL 6 system after patch, the system fails to boot and boot hangs with udev errors
  • My RHEL 6 server sometime hang/kernel panic/reboot with udev error message: udevd worker unexpectedly returned with status 0x0100.
  • Oracle RAC server, Red Hat Enterprise Linux 6 hung with error message "udevd worker unexpectedly returned with status 0x0100" and needed to reboot manually to recover from the situation?

Environment

  • Red Hat Enterprise Linux(RHEL) 6, several minor versions
  • udevd

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