On Tue, Apr 29, 2008 at 04:31:44PM -0600, Alex Williamson wrote:
> 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,
Hi Alex,
bother :-( Though its good that you found this now rather than later :-)
I'll talk with Yamahata-san about running some similar tests.
--
Horms
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