On Tue, Oct 4, 2011 at 2:24 PM, m.roth@5-cent.us wrote:
Negative wrote:
On Tue, Oct 4, 2011 at 1:18 PM, m.roth@5-cent.us wrote:
Negative wrote:
On Tue, Oct 4, 2011 at 10:41 AM, m.roth@5-cent.us wrote:
Brian Mathis wrote:
On Mon, Oct 3, 2011 at 10:16 PM, Negative
<negativebinomial@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,
<snip> >> > 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. >
<snip> >> More and more it sounds like a hardware issue. Hmm, every time X is >> running, and you say you had one video card fried - how did it fry? >> Also, >> is this machine on a good quality surge protector? Have you had a >> thunderstorm, or power outages recently? > > The vendor told me that the particular video card model (I forget which) > had some flaw. In any case the fan stopped running, and it heated up. I > usually use the machine remotely but I was at the console at that moment. > The monitor started flickering and then went gray. > > The vendor sent a replacement, but I had thrown an old ATI in before it > arrived. When the crashes occurred now, I finally put in the replacement. > Same behavior.
Have you examined the m/b and cards *around* where the card fried? Its heat death may have affected things around it.
It looks good to the eye. The capacitors look good.
The surge protector is good. I live in NYC and the biggest environmental hazard is the cleaning lady, who has in the past tripped the surge protector switch.
<g> Do you know the story about the mainframe shop, the racks of tapes, and the cleaning staff?
Don't know it but I can imagine.
I fear you're right about the hardware. But as far as I can tell everything else works fine. I went overboard in buying two quad processors -- so I could live with one if that's the problem.
A replacement m/b?
That's a tough one!
Since the crashes can be duplicated and are only caused by this one combination of events, I don't know.
On another machine, I had a case where none of the kvm guests would boot. It turned out to be a conflict between libvirt and the nvidia proprietary driver. I used an old version of the video driver until Nvidia caught up. (It only affected amd processors.)