[CentOS] guest vms crash host systems

Thu Oct 6 02:27:19 UTC 2011
Negative <negativebinomial at gmail.com>

On Wed, Oct 5, 2011 at 3:11 PM, Negative <negativebinomial at gmail.com> wrote:

> On Wed, Oct 5, 2011 at 3:06 PM, Negative <negativebinomial at gmail.com>wrote:
>
>> On Wed, Oct 5, 2011 at 1:00 PM, <m.roth at 5-cent.us> wrote:
>>
>>> Negative wrote:
>>> > On Wed, Oct 5, 2011 at 11:15 AM, <m.roth at 5-cent.us> wrote:
>>> > Negative wrote:
>>> > On Wed, Oct 5, 2011 at 11:15 AM, <m.roth at 5-cent.us> wrote:
>>> >> Negative wrote:
>>> <snip>
>>> >> > I still wonder what is causing this. I couldn't find any mention of
>>> a
>>> >> > similar problem, including on my desktop in my office, where I have
>>> a
>>> >> > very similar setup, with four kvm guests, two Fedora, one Centos 6
>>> and
>>> >> > one Windows XP.
>>> <snip>
>>> Do I remember this is 5.7? Look at the announcement that *just* came out
>>> in the last hour, with the libX11 bugfix.
>>> <https://rhn.redhat.com/errata/RHBA-2011-1351.html> says "Previously, in
>>> the 64-bit mode, libX11 computed addresses using the 32-bit arithmetic.
>>> As
>>> a consequence, under heavy load, applications running in the X
>>> environment
>>> terminated unexpectedly. A patch has been provided to address this issue,
>>> and the crashes no longer occur in the described scenario."
>>>
>>>       mark
>>>
>>>
> And, Mark, thanks for mentioning it.
>
>
>>
>> If this isn't my lucky day. RH and Centos solved my problem even before I
>> defined it.
>>
>> I saw the update earlier and didn't dare hope. I updated and it seems to
>> have solved the issue. On the host machine, I fired up virt-manager, started
>> the Fedora  guest and it's been up for a half hour.
>>
>> Now I, too, can start complaining about Gnome 3. I've read it's like
>> Windows, but it's the spitting image of the Mac OS.
>>
>>
>>
>

I spoke too soon. Crashed again after being up for several hours. I'm
running memtest86 now.