Kdump fails with error Unrecognized mount option "errors=remount-rw" or missing value

Solution In Progress - Updated -

Environment

  • RHEL-7
  • RHEL-8 (beta)
  • kexec-tools-2.0.15.el7 and later
  • kexec-tools-2.0.17-16.el8.x86_64 (beta)

Issue

  • Kdump fails with error Unrecognized mount option "errors=remount-rw" or missing value
  • When dump target is mounted with errors=remount-ro option.

Resolution

Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7.6

Workaround

  • mount the dump target without errors=remount-ro option

Root Cause

  • mount does not have any option as errors=remount-rw
  • From man pages
errors={panic|continue|remount-ro}

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