[Fedora-xen] two fully virtualized systems crashing

[Alex.Upton at instinet.com]

I have a similar issue on a Dell Power Edge 1850 running:

Fedora Core 5
2.6.16-1.2080_FC5xen0
xen-3.0.1-4

Except my issue appears to affect the parent host as well. It seems to be
relevant during any increased NIC utilization.

If I'm copying data to or from a virtualized host the parent system will
black screen without any kernel dump info, thus all i/o is halted and the
only solution is a reboot.

Any thoughts?



-----Original Message-----
From: fedora-xen-bounces at redhat.com [mailto:fedora-xen-bounces at redhat.com]
On Behalf Of Stephen C. Tweedie
Sent: Tuesday, April 11, 2006 11:18 AM
To: matbayer.web at web.de
Cc: fedora-xen at redhat.com
Subject: Re: [Fedora-xen] two fully virtualized systems crashing

Hi,

On Tue, 2006-04-11 at 16:05 +0200, Matthias Bayer wrote:

> i have serveral DomU's running under Xen xen-3.0.1-4
kernel-xen0-2.6.16-1.2080_FC5.
> i have paravirtualized and fully virtualized systems (windows and
linux).
> now the problem is whenever i start 2 fully virtualized systems in
parallel (first start one then if this runs try to start the other one)
the computer completely crashes and reboots, no more log entries...
nothing.
> 
> does anybody now how to debug such a problem ? 

With serial console, usually.  There are also a number of upstream Xen
updates for VMX, and we're putting together an update which may help
there.

Cheers,
 Stephen


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