I/O errors for detached loop devices when parted command is run on the device.

Solution Verified - Updated -

Issue

  • I/O errors for detached loop devices when parted command is run on the device.
  • parted command getting executed through sosreport on detached loop devices causes following messages to appear in kernel ring buffer.
[5764033.294472] blk_update_request: I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[5764041.560361] blk_update_request: I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[5764042.571405] blk_update_request: I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[5764043.279801] blk_update_request: I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0

Environment

  • Red Hat Enterprise Linux (RHEL) 8

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