[CentOS] guest vms crash host systems

Wed Oct 5 05:10:38 UTC 2011
Les Mikesell <lesmikesell at gmail.com>

On Tue, Oct 4, 2011 at 11:41 PM, Negative <negativebinomial at gmail.com> wrote:
>> Do you have to use the local video at all?   What happens if you use
>> freenx and run in a session started from a remote NX client?
> Doesn't freenx use X? I haven't installed but will try it.

Yes, it uses X, but it doesn't use the local video hardware.

> What I did try was to leave X off on workstation and built a fedora guest. I
> also connected to the workstation from another machine via ssh and I tried
> running the virt-viewer via X-forwarding, it stayed up for about 10 or 15
> minutes and crashed. Since I could see the console on the work station then,
> it showed a kernel panic.

Not sure what that means.   Freenx would at least keep the sesson
active when you disconnect.

> After rebooting I opened a terminal via ssh and it seems ok -- up for about
> 30 minutes so far, I'll check in the morning.
> The trouble with that is I usually connect to the workshop via vnc, so I'm
> not sure the guest will be of much use.

A vncserver session not attached to the local console should also
avoid local hardware issues - but freenx/NX is nicer to use.

   Les Mikesell
    lesmikesell at gmail.com