Machine check during kdump kernel boot up failed the kdump
Issue
- When machine check happened between crash in the first kernel and kdump kernel early boot (before setup MCE handler), unexpected machine check error was printed, kdump kernel hung.
[ 2188.556284] RIP [<ffffffff81435e46>] sysrq_handle_crash+0x16/0x20
[ 2188.563092] RSP <ffff889ecd423e78>
[ 2188.566928] CR2: 0000000000000000
I'm in purgatory
Environment
- Red Hat Enterprise Linux(RHEL) 7
- Intel x86 machines with machine check feature support
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