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Re: [Xen-devel] S3 sleep in dom0 breaks dom0<->domU wallclock synchroniz

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Subject: Re: [Xen-devel] S3 sleep in dom0 breaks dom0<->domU wallclock synchronization
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 06 Jul 2010 09:24:18 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Joanna Rutkowska <joanna@xxxxxxxxxxxxxxxxxxxxxx>, Konrad Wilk <konrad.wilk@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>, Jeremy Fitzhardinge <Jeremy.Fitzhardinge@xxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Rafal Wojtczuk <rafal@xxxxxxxxxxxxxxxxxxxxxx>
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On 07/06/2010 07:53 AM, Dan Magenheimer wrote:
> In the meantime, is there any easy way to stop dom0
> from entering S3?  (E.g., like the Xen max_cstate parameter
> for C states?)
>
> I've been seeing some similar guest issues recently running
> RHEL6beta guests and wonder if I am seeing the same problem.
>   

S3 is lid-close suspend on a laptop, or putting a desktop into sleep
mode.  It isn't something that occurs except when user initiated (or by
policy, such as suspend on low battery).

    J


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