[libvirt] W/ commit 9e159b5: error from service: CreateMachine: Machine 'qemu-foo' already exists

[Kashyap Chamarthy]

On Mon, Sep 29, 2014 at 07:29:23PM +0200, Guido Günther wrote:
> On Mon, Sep 29, 2014 at 02:48:34PM +0530, Kashyap Chamarthy wrote:
> > On Mon, Sep 29, 2014 at 08:17:11AM +0200, Guido Günther wrote:
> > > On Mon, Sep 29, 2014 at 07:12:29AM +0530, Kashyap Chamarthy wrote:
> > > > Applied it:
> > > > 
> > > >     $ git log | head -5
> > > >     commit da0a33c3f286ff69b910bc2a84e9ec3a844e3ce8
> > > >     Author: Guido Günther <agx at sigxcpu.org>
> > > >     Date:   Thu Sep 25 14:30:42 2014 +0200
> > > >     
> > > >         qemu: use systemd's TerminateMachine to kill all processes
> > > > 
> > > > And tested (by building RPMs, restarting libvirtd and attempting to
> > > > start the guest again, still no luck:
> > > > 
> > > >     $ sudo systemctl restart libvirtd
> > > >     $ sudo systemctl daemon-reload
> > > 
> > > Did you reboot in between? 
> > 
> > No, I didn't. I realized rebooting might help solve the issue as this
> > was related to systemd, but didn't wanted to, as it's my main laptop,
> > and have several other things that I'm processing.
> > 
> > > The patch fixes the _stopping_ of the vm. Once the vm is in the state
> > > you describe the patch won't help.
> > 
> > Ah.
> > 
> > > 
> > > An alternative to rebooting is to remove related processes manually, see:
> > > 
> > >  http://bugs.debian.org/761521
> > 
> > I don't see x2d<$vmname>.scope under machine.slice (mostly as the
> > guests are all off, but I can't start them anyhow):
> > 
> >   $ tree /sys/fs/cgroup/cpuset/machine.slice
> 
> Please check /sys/fs/cgroup/systemd/machine.slice/

Ah, I remember checking it there too, but I don't recall seeing it. Now
the system is not in that state anymore as I rebooted it.

> . Does machinectl list anything?

I didn't invoke this when the system was in a bad state. But, after
rebooting and when I start a guest, yes. 

I'm running libvirt RPMs built from the patch that you noted on this
thread. I'll keep any eye on it.

Thanks.

-- 
/kashyap