On Thu, 2008-03-20 at 15:52 +0900, Simon Horman wrote:
> Hi,
>
> here is another spin of the kexec EFI patches.
Hi Simon,
I'm afraid to say it, but I've seen another issue :( I accidentally
trashed my win2k3 guest, so as part of testing this set I started
reinstalling the guest. Meanwhile I thought I'd test win2k8... boom,
the machine silently MCAs. The win2k3 guest is early on, at the point
of loading the "Windows Executive", the win2k8 box is just after logging
in. I don't know if it's an actual interaction between the two guests,
but it's surprisingly easy to reproduce on my system. It only seems to
occur with the kexec series loaded.
An additional scary aspect is that after one of the MCAs, EFI complained
that my RTC was invalid and set it back to an initial value. I've only
seen that once, but certainly plants the idea that maybe an HVM guest
got to it somehow.
FWIW, I tried to reproduce these same conditions using the current
ia64/xen-unstable.hg tree and ran through a few times w/o hitting any
problems. I'll see if I can better characterize the issue, but you
might try something similar. Thanks,
Alex
--
Alex Williamson HP Open Source & Linux Org.
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