Re: kvm linux guest hanging for minutes at a time

Avi Kivity
2011-08-09T14:49:39Z

On 08/09/2011 05:46 PM, Thomas Fjellstrom wrote:
> > > Does it matter that I have several vms running? Is there a way to limit
> > > it to tracing the single kvm process that's been locking up?
> >
> > You can use "trace-cmd record -F ... qemu ..." but that misses out on
> > events the run from workqueues.
> >
> > Best to stop those other guests.
>
> I would prefer not to do that, those other guests are my web server, mail
> server, and database server. I have no idea if I can reproduce the problem in
> a reasonable time frame.
>

Okay then, please use -F.

Note, please be sure to note the time the guest hangs so we can
correlate it with the trace.

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