Hi,
I'm running Debian Jessie with KVM 2.1 on 6 nodes with an NFS3 back-end
and sometimes when I migrate a VM it suddenly 'hangs'. The KVM process
is running on the new node, eating up all it's CPU cycles but it does
not respond to anything anymore. I don't see any errors logged and it
seems like the migration went fine except for the VM hanging.
It doesn't matter if I do a live migrate or a save and restore, it
happens with both ways.
Destroying and booting the VM fixes it of course and I can migrate it
afterwards, but after a couple of days the same happens again when I try
to migrate it.
The VM's range from Debian Squeeze (With a 3.2 kernel), Wheezy, and
Jessie.
Does anyone have an idea why this happens and if I can fix this?
Regards,
Sander
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