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Re: [Xen-devel] Xen 3.2.2 - Timer ISR/0: Time went backwards

To: "Christopher S. Aker" <caker@xxxxxxxxxxxx>, "dan.magenheimer@xxxxxxxxxx" <dan.magenheimer@xxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 3.2.2 - Timer ISR/0: Time went backwards
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 06 Aug 2008 08:16:42 +0100
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On 6/8/08 03:50, "Christopher S. Aker" <caker@xxxxxxxxxxxx> wrote:

> Jan Beulich wrote:
>> Btw., does -unstable exhibit the same behavior?
> Meh .. xen-unstable build from earlier today has been running fine.
> With 3.2.x, I would have had lockups and/or the "Time went backwards"
> error by now.
> So .. what's that tell us?

It tells us that the CPUs now track the platform timer together much better
even if it's a bit screwy. This greatly reduces the chances of them skewing
relative to each other.

 -- Keir

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