[CentOS] guest vms crash host systems

Tue Oct 4 14:04:10 UTC 2011
Brian Mathis <brian.mathis+centos at betteradmin.com>

On Mon, Oct 3, 2011 at 10:16 PM, Negative <negativebinomial at gmail.com> wrote:
> I built guest vm's one for Windows 7 and one for Windows XP using the
> virtual machine manager on a  just updated to centos 5.7, and they are both
> crashing the host machine. They run only  for a few minutes, but suddenly
> freeze, crashing the host.  There is no networking. No X. No way to drop out
> of X. The only way out is a hard reboot. I don't see anything in the logs --
> messages or libvirt logs -- immediately before the crash.
> I haven't found anything like this on the web or on this list. The
> workstation has two xeon E5410s. I noticed that both the kvm-amd and
> kvm-intel modules are loaded, but don't know if that would cause a problem.
> I had an ati firepro graphics card in the machine, but suspected that might
> be the source of some conflict, and I put in an Nvidia card.
> The vm's were built with all the defaults. The configuration is just about
> identical to vms I have running on a smaller machine with a dual core
> Athalon.
> Thanks for any suggestions.

Is this new hardware?  Have you run any hardware burn testing (CPU,
RAM, etc...) and/or memtest86+ on the RAM?  This sounds like a
hardware issue to me.

-☙ Brian Mathis ❧-