[CentOS] guest vms crash host systems

Tue Oct 4 14:41:28 UTC 2011
m.roth at 5-cent.us <m.roth at 5-cent.us>

Brian Mathis wrote:
> 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.
> 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.

I agree with Brian - it may be coincidental that you built the VMs, and
then it started crashing.

One other question: is selinux enabled?