Kdump fails with error Unrecognized mount option "errors=remount-rw" or missing value
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
- The bug was fixed in
kexec-tools-2.0.15-33.el7
with Errata RHBA-2019:2134
Red Hat Enterprise Linux 7.6
- The bug was fixed in
kexec-tools-2.0.15-21.el7_6.3
with Errata RHBA-2019:0810
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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