[libvirt] vms hung

[Michal Privoznik]

On 01/16/2017 04:13 PM, Umar Draz wrote:
> Hello,
> 
> I am running libvirt-2.0.0-10.el7_3.2.x86_64 on CentOS 7.3, I have few vms
> of CentOS and Windows 2012 servers.
> 
> Randomly they are hung, but the status of virtual machine keep running, vnc
> and network not responding.
> 
> I have checked all /var/log/messages and /var/log/libvirt/qemu/vm.log but
> nothing found anything wrong.
> 
> Would you please help what should I do more so I can find the issue.
> 
> -- Umar
> 

What state is qemu process in? You may try to "ping" qemu on the monitor:

virsh qemu-monitor-command $dom '{"execute":"query-status"}'

But this sounds like a qemu bug to me.

Michal