Re: [Patch 0/7] Implement crashkernel=auto

Eric W. Biederman
2009-08-06T03:52:08Z

Amerigo Wang <amwang@redhat.com> writes:

>> No the crashdump mechanism is useless because user space is already
>> broken and unusable.
>
> Again, why broken?

To get a stock stat drive by hand I had to list about 5 kernel modules
in the right magic order in /etc/kdump.conf

Neither mount by label or mount by uuid when specified in /etc/kdump.conf
I had to hack mkdumprd to get an initrd that even finds the proper disk
to mount.

Short version it takes a huge amount of expertise to get what ships with
fedora to pass the trivial alt-sysrq-c test. It would probably be about
as easy to write you own custom initrd by hand.

Eric