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Re: [Qemu-devel] 9p and savevm'd snapshots


From: Anthony Liguori
Subject: Re: [Qemu-devel] 9p and savevm'd snapshots
Date: Tue, 24 May 2011 13:36:51 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Lightning/1.0b2 Thunderbird/3.1.10

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.

Regards,

Anthony Liguori

Thanks,




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