The 'crash' utility only supports dumps generated using the "--memory-only" option of 'virsh dump' in RHEL 7
Issue
- If a guest's memory is dumped using
virsh dump, the subsequent attempt to analyse it using thecrashutility fails;
# virsh dump guest guest.dump
.........
#
# file guest.dump
guest.dump: QEMU suspend to disk image
#
# crash -s guest.dump vmlinux
crash: guest.dump: initialization failed
Environment
- Red Hat Enterprise linux (RHEL) 7.2 onwards
- Red Hat Enterprise Virtualization (RHEV) 3.6
- Red Hat Virtualization (RHV) 4.0 onwards
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