[libvirt-users] savevm and qemu 2.1.1

Cole Robinson crobinso at redhat.com
Mon Sep 22 13:32:44 UTC 2014


On 09/22/2014 04:46 AM, Thomas Stein wrote:
> Am 22.09.14 10:42, schrieb Daniel P. Berrange:
>> On Sat, Sep 20, 2014 at 02:13:16PM +0200, Thomas Stein wrote:
>>> hello.
>>>
>>> I have an issue with libvirt-1.2.6 and qemu-2.1.1. As soon as i do:
>>>
>>> "savevm $domain" 
>>>
>>> the domain ist gone. Console says "unable to connect to monitor". Libvirt.log 
>>> says:
>>>
>>> qemu-system-x86_64: /var/tmp/portage/app-
>>> emulation/qemu-2.1.1/work/qemu-2.1.1/hw/net/virtio-net.c:1348: 
>>> virtio_net_save: Assertion `!n->vhost_started' fail
>>> ed.
>>>
>>> Googling for this error leads to a barely related qemu-dev thread. Has someone 
>>> else experiencing this behaviour?
>>>
>>> Uh. Almost forgot to mention. Going back to qemu-2.1.0 solves the issue.
>>
>> Yes, this version of QEMU is pretty much a disaster in terms of migration
>> and save/restore working. Stick with 2.1.0 until 2.1.2 comes out.
> 
> Thanks. Good to know.
> 

FYI, if using fedora packages, I pushed a build to f21/rawhide/virt-preview
that fixes this.

- Cole




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