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[Qemu-devel] Re: Clock skew after pausing guests

From: Timur Safin
Subject: [Qemu-devel] Re: Clock skew after pausing guests
Date: Thu, 17 Mar 2011 17:34:07 +0300

Have you checked with Windows Time service enabled in the guest?

net start w32time

Best Regards,

2011/3/17 Virtbie <address@hidden>:
> Hello all
> I am seeing, perhaps unsurprisingly, a skewed system clock after pausing
> and then resuming a qemu-kvm guest. The guest continues with its earlier
> time.
> Since I'd like to use the pause technique for backups, which can take 1
> hour, this is significant.
> This is with windows guests, and it doesn't seem to recover by itself
> just by waiting.
> Linux guests instead seem to adjust their clock correctly after the resume.
> Is there any way to tell the windows guests to resynchronize its clock
> with the host?
> I am using virsh / libvirt.
> Thank you
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