[CentOS-devel] another 6.4 gotcha

Sun Mar 3 20:05:37 UTC 2013
Nux! <nux at li.nux.ro>

On 03.03.2013 19:21, Joe Pruett wrote:
> something changed in the kvm audio subsystem, so a virt that was
> suspended during shutdown wouldn't resume after reboot. the logs had
> complaints of:
> 
> savevm: unsupported version 2 for 'hda-audio' v1
> load of migration failed
> 
> i poked around on the rh bz site and found a few hits, but they seemed
> to be related to older versions. i forced a clean boot of my vm and it
> was happy.

Sounds like expected behaviour to me; because the kvm in 6.4 is 
different in significant ways it's very problematic to resume. I would 
imagine live migration between the previous version in 6.3 and the one 
in 6.4 will also not work. This is not something new; this kind of stuff 
requires the exact same version of KVM when playing with the guest's 
memory.
This is all very IMHO and AFAIK.

HTH
Lucian

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Nux!
www.nux.ro