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Re: [Qemu-devel] 9p and savevm'd snapshots
From: |
Alex Young |
Subject: |
Re: [Qemu-devel] 9p and savevm'd snapshots |
Date: |
Wed, 25 May 2011 09:36:14 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 |
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