[fedora-virt] Close a VM, virt-manager loses connection

[Dennis Jacobfeuerborn]

On 11/30/2011 06:07 PM, Jerry James wrote:
> I'm having a problem with multiple VMs and virt-manager on a Fedora 16
> x86_64 machine.  When I have multiple VMs running and shut one down,
> frequently virt-manager loses its connection.  All of my VM windows
> disappear, and I'm left looking at a dialog box that says (after
> expanding the "Details" tab):
>
> Error polling connection 'qemu:///system': Unable
> to read from monitor: Connection reset by peer
>
> Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/engine.py", line 440, in _tick
>    conn.tick()
>   File "/usr/share/virt-manager/virtManager/connection.py", line 1507, in tick
>    vm.tick(now)
>   File "/usr/share/virt-manager/virtManager/domain.py", line 1531, in tick
>    info = self._backend.info()
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1411, in info
>    if ret is None: raise libvirtError ('virDomainGetInfo() failed', dom=self)
> libvirtError: Unable to read from monitor: Connection reset by peer
>
>
> Simply reconnecting in virt-manager usually works, and then I can
> reopen windows for the VMs that are still running.  HOWEVER, yesterday
> I had this happen and one of my running VMs was NOT listed.  I just
> about panicked, thinking it had been deleted somehow.  However,
> restarting libvirtd made it show up again.
>
> Is this a known problem?  If not, what component should I file a bug
> against?  Thanks,

I'm seeing this too occasionally. I shut down a VM and virt-manager looses 
the connection. After reconnecting everything seems to be ok.

Regards,
   Dennis