udevd-work error messages

Solution Verified - Updated -

Issue

  • Observing following error messages logged at system boot time:
udevd-work[54939]: error opening ATTR{/sys/devices/pci0000:00/0000:00:1f.2/host13/target13:0:0/13:0:0:0/bsg/13:0:0:0/queue/rq_affinity} for writing: No such file or directory
udevd-work[54940]: error opening ATTR{/sys/devices/pci0000:00/0000:00:1f.2/host13/target13:0:0/13:0:0:0/scsi_generic/sg137/queue/rq_affinity} for writing: No such file or directory
udevd-work[54941]: error opening ATTR{/sys/devices/pci0000:00/0000:00:1f.2/host13/target13:0:0/13:0:0:0/scsi_device/13:0:0:0/queue/rq_affinity} for writing: No such file or directory
udevd-work[54942]: error opening ATTR{/sys/devices/virtual/bdi/11:0/queue/rq_affinity} for writing: No such file or directory
  • What's causing it and how to stop occurrence of these messages?

Environment

  • Red Hat Enterprise Linux 6, 7

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