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Re: [Xen-devel] Huge Time went backwards

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Subject: Re: [Xen-devel] Huge Time went backwards
From: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Date: Mon, 6 Apr 2009 10:31:22 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Carsten Schiers <carsten@xxxxxxxxxx>
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At 16:44 +0100 on 03 Apr (1238777093), Dan Magenheimer wrote:
> Tim, do you suppose this is an extreme example of the NTP
> interaction bug you fixed here:
> http://lists.xensource.com/archives/html/xen-devel/2009-03/msg01194.html

I doubt it.  This seems to be a problem with dom0's own perception of
time; my fix was for the distribution of that to other domains. 



> > If I get on your nerves with my time keeping issues
> No, it is good to raise awareness of these issues until they
> are all fixed.  ESPECIALLY if you see time problems in xen-unstable,
> it would be good to get them fixed before 3.4 is final.
> -----Original Message-----
> From: Carsten Schiers [mailto:carsten@xxxxxxxxxx]
> Sent: Friday, April 03, 2009 6:52 AM
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] Huge Time went backwards
> Just an observation, to whom it may concern: when booting between 3.3.1 and
> current xen-3.4-unstable, right after loading powernow-k8, there will be one 
> huge
> Time went backwards messages (500ms upt to 1,5s), which disappears unless
> you change Xen version again.
> BTW: If I get on your nerves with my time keeping issues, just drop a note 
> and 
> I keep calm ;-).
> BR,
> Carsten.

Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

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