Re: F19: System hangs when rebooting guests in qemu/kvm

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On 04.07.2013 10:12, Mateusz Marzantowicz wrote:
> Hello,
> 
> I'm experiencing system hangs and kernel oops on Fedora 19. Everything
> happens when I restart guest system inside qemu/kvm container. My system
> becomes unstable on kernel 3.9.5 and totally hangs on 3.9.6 and later.
> It happens just after guest OS (latest stable Debian Linux) shows grub
> boot menu. I sometimes see text console with kernel oops message on my
> bare hardware but never had time or will to write it down on paper.
> 
> I can't provide more details right now, because nothing gets written to
> system logs (serious oops?). Besides this issues all other pieces of my
> box are working perfectly.
> 
> I need some instrumentation and guidance finding what is exactly going
> wrong.

Guest - virtio_net?

/etc/libvirt/qemu/<domain>.xml
…
    <interface type='network'>
      …
      <model type='virtio'/>
      …
    </interface>
…


poma


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