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Date: Wed, 25 May 2011 09:36:14 +0100
From: Alex Young <alex@bytemark.co.uk>
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Subject: Re: [Qemu-devel] 9p and savevm'd snapshots
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To: qemu-devel@nongnu.org

On 24/05/11 19:36, Anthony Liguori wrote:
> On 05/24/2011 03:54 AM, Alex Young wrote:
>> Hi there,
>>
>> I'm having a problem with 9p virtfs mounts going away when I savevm,
>> quit, then restart with -loadvm. The mount seems to cause the guest
>> kernel to hang if I interact with it in any way that causes a stat(2).
>> I'm also unable to mount a 9p filesystem after a snapshot restart.
>>
>> Is this expected, or should they work?  I'm using qemu version 0.14.50,
>> and this happens at least with kernel versions 2.6.32 and 2.6.38 in a
>> Debian Squeeze guest.
> 
> virtio-9p doesn't currently support savevm which means it doesn't work
> with migration or savevm/loadvm.
> 

Ah, thanks.  Is that a "can never work with the current implementation,"
or "can work but nobody's got round to it yet"?

-- 
Alex