[Crash-utility] How do debug the kdump kernel using a Xen dump-core file?

[Dave Anderson]

----- Original Message -----
> Hello,
> 
> 'xm dump-core -L <domain>' generates a coredump of a Xen4 HVM guest, and
> crash is able to poke around in this coredump.
> Thanks for that.
> 
> But: How can I use crash to debug the crash/kdump kernel itself?
> I did a 'echo c > /proc/sysrq-trigger' and want to look at the crash
> kernel, not the normal kernel.
> 
> Olaf

There is no facility for kdump'ing the secondary "kdump" kernel.

Dave