Re: Suspending with kvm and kvm_loaded

[Richard Hughes <hughsient-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On Sat, 2007-06-16 at 10:53 +0300, Avi Kivity wrote:
> Richard Hughes wrote:
> > Hi,
> >
> > I'm getting lots of bug reports about installing kvm and then suspend
> > breaking. Some background: when the fedora package kvm is installed,
> > then the kvm and kvm_xxx modules get auto loaded at boot. To get the
> > machine to suspend again, the modules have to be rmmod'd on suspend and
> > then modprobe'd on resume.
> >
> > We can automate the rmmodding and modprobeing adding a simple script in
> > pm-utils (/etc/pm/sleep.d/) on package install, but to avoid just
> > bodging the issue I wanted to ask you guys first.
> >
> > * Is it safe to rmmod kvm and kvm_x before suspend?
> >   
> 
> Yes, although you can't do that if you have any virtual machines running.

Is there any easy way we can detect if virtual machines are running?

Richard.



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