Negative wrote: > On Tue, Oct 4, 2011 at 1:18 PM, <m.roth at 5-cent.us> wrote: >> Negative wrote: >> > On Tue, Oct 4, 2011 at 10:41 AM, <m.roth at 5-cent.us> wrote: >> >> 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, >> <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. > > 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? > > 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? mark