Re: [libvirt-users] libvirt & virtio_net - host.freeze@reset.domain

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On 03.07.2013 13:43, Daniel P. Berrange wrote:
> On Tue, Jul 02, 2013 at 01:25:21PM +0200, poma wrote:
>> Hello people,
>>
>> libvirtd (libvirt) 1.0.5.2
>> virsh 1.0.5.2
>> virt-manager 0.10.0
>>
>> Host:
>> Linux localhost 3.9.8-300.fc19.x86_64 #1 SMP Thu Jun 27 19:24:23 UTC
>> 2013 x86_64 x86_64 x86_64 GNU/Linux
>> Guest1:
>> Linux localhost 3.9.8-300.fc19.i686.PAE #1 SMP Thu Jun 27 19:29:30 UTC
>> 2013 i686 (none)
>> Guest2:
>> Linux localhost 3.9.8-300.fc19.x86_64 #1 SMP Thu Jun 27 19:24:23 UTC
>> 2013 x86_64 x86_64 x86_64 GNU/Linux
>>
>>
>> Virtual NIC - source & model:
>> macvtap/NAT/bridge & virtio(virtio_net)
>>
>> Host freeze at "virsh reset <domain>" or "virt-manager - Force Reset"
>> Need kernel.sysrq or power reset.
> 
> I don't believe this is a libvirt issue - the 'virsh reset' command
> will issue the 'system_reset' QEMU monitor command. This in turn
> does an immediate reset of the guest CPUs/machine.
> 
> Even if QEMU is doing the wrong thing, the kernel should obviously
> never freeze/crash in this way - it should be robust against a
> malicious QEMU process.
> 
> You should probably send this message to the main QEMU and/or KVM
> mailing lists so that it comes to the attention of people who are
> more familiar with QEMU + virtio-net
> 
> 
> Regards,
> Daniel
> 

Thanks for your response.
Mateusz hit the same issue[1] as well.
OK, here we go.


poma


[1] https://lists.fedoraproject.org/pipermail/users/2013-July/436984.html


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