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xen-devel
Re: [Xen-devel] RE: Weird NOW() values after host S3 resume
Xen 3.2.0 actually has the first of those changesets. If you upgrade to Xen
3.2.1 then you have the second of them also.
-- Keir
On 22/5/08 08:11, "Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx> wrote:
> Or you may port Xen C/S 16688 and 16882 to your tree and see if this issue
> still exists. :-)
>
> Best regards,
> -- Dongxiao
>
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Xu, Dongxiao
> Sent: 2008年5月22日 10:50
> To: Guy Zana; xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Tian, Kevin
> Subject: [Xen-devel] RE: Weird NOW() values after host S3 resume
>
> Hi, Guy
> Could you have a try of the latest Xen-unstable tree to see if this issue
> still exists? I remember some S3 time patches are added after Xen-3.2 stable
> release.
>
> Thanks!
> -- Dongxiao
>
> ________________________________________
> From: Guy Zana [mailto:guy@xxxxxxxxxxxx]
> Sent: 2008年5月22日 0:09
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Tian, Kevin; Xu, Dongxiao
> Subject: Weird NOW() values after host S3 resume
>
> Hi all,
>
> It seems that something is messed up with the calibration of the TSCs after
> resuming from sleep.
>
> First, after resume NOW() issued from CPU0 gives a value that is much lower
> than before sleep, and it is probably returned to the same (default?) value
> after each resume.
> Second, after each resume there is an increased differences between CPU0 and
> CPU1 NOW() values, I'm not really sure about this one because I didn't tried
> to sync my test against the HPET so take that into consideration.
>
> Can you check this out please?
>
> The chipset is Intel GM965/ICH8, the cpu is T7300.
> Observed in Xen 3.2 stable release.
>
> Thanks,
> Guy.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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