[Spice-devel] SPICE session hanging randomly

[Yaniv Kaul]

Any chance one of the participants (either the server or the client, but most likely the client) is heavily swapping?
It's enough for a VM to have parts of its memory swapping to crawl.

Alternatively, are you over-committing with CPU? For example, running a 4vCPU VM on a 2pCPU host?
What do you see in 'top' ? 'kvm_stat' ?
Y.


----- Original Message -----
> Hello All,
> 
> I was wondering if anyone else has experienced similar behavior to
> what I'm seeing.  Randomly, while I'm connected to a remote VM using
> SPICE, the screen and all input will freeze/hang for about 30 seconds
> to 1 minute.  When it returns to normal any key presses or mouse
> clicks that happened while the session was hung are acted upon.  I've
> looked through the VM's log file located in /var/log/libvirt/qemu but
> do not see anything that looks like an error.
> 
> Additional information:
> 
> Host:
> CentOS 6.3
> 
> qemu-kvm-0.12.1.2-2.295.el6_3.1.x86_64
> spice-server-0.10.1-10.el6.x86_64
> libvirt-0.9.10-21.el6_3.3.x86_64
> 
> VM Guest:
> Windows 7 and Windows 2008 R2
> 
> Client:
> CentOS 6.3
> 
> virt-viewer-0.5.2-9.el6.x86_64
> 
> Just curious if anyone else has seen this behavior and could point me
> in the right direction for troubleshooting.
> 
> Thanks,
> Anthony
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