From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Philippe Simonet <philippe.simonet@bluewin.ch>,
Jeremy Fitzhardinge <jeremy@goop.org>
Cc: xen-devel@lists.xensource.com
Subject: Re: Xen 4 TSC problems
Date: Thu, 15 Sep 2011 04:24:02 -0400 [thread overview]
Message-ID: <20110915082402.GC24888@phenom.oracle.com> (raw)
In-Reply-To: <4E6F034B.5040102@bluewin.ch>
On Tue, Sep 13, 2011 at 09:16:27AM +0200, Philippe Simonet wrote:
> Hi Xen developers
Lets try this again, this time Cc-ing Jeremy.
>
> i just would like to inform you that I have exactly the same problem
> with Debian squeeze and xen, with
> 50 seconds time jump on my dom0 and domu. NTP is running on all
> dom0/domuU, clocksource is 'xen'
> everywhere.
>
> some messages :
> syslog :
> Sep 11 13:56:50 dnsit22 kernel: [571603.359863] Clocksource tsc
> unstable (delta = -2999662111513 ns)
>
> xm dmesg :
> ...
> (XEN) Platform timer is 14.318MHz HPET
> ...
> (XEN) Platform timer appears to have unexpectedly wrapped 10 or more times.
> (XEN) TSC marked as reliable, warp = 0 (count=2)
> ...
>
> I had some contact with Olivier Hanesse and it indicates that he
> doesn't have any solution for this problem,
> and all what was proposed in February didn't solved this problem.
Which was the max_cstate=0 ?
..
> config :
> --------------------------------------
> Linux dnsit22.swissptt.ch 2.6.32-5-xen-amd64 #1 SMP Tue Jun 14
> 12:46:30 UTC 2011 x86_64 GNU/Linux
> --------------------------------------
> HP DL385
> --------------------------------------
> vendor_id : AuthenticAMD
> cpu family : 16
> model : 9
> model name : AMD Opteron(tm) Processor 6174
> stepping : 1
> cpu MHz : 3058776.574
OK, that is really messed up. Your house must be on fire for the machine
to be running at 3058GHz!
Jeremy, this sounds familiar - did we have a patch for this in
your 2.6.32 tree?
next prev parent reply other threads:[~2011-09-15 8:24 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-23 10:49 Xen 4 TSC problems Olivier Hanesse
2011-02-23 16:16 ` [Xen-devel] " Dan Magenheimer
2011-02-23 17:19 ` Keir Fraser
2011-02-23 19:04 ` Olivier Hanesse
2011-02-24 7:16 ` Keir Fraser
2011-02-24 9:59 ` Olivier Hanesse
2011-02-24 10:59 ` Jan Beulich
2011-02-24 11:30 ` [Xen-devel] " Keir Fraser
2011-02-24 11:57 ` Olivier Hanesse
2011-02-24 12:37 ` Jan Beulich
2011-02-24 14:20 ` Olivier Hanesse
2011-02-24 14:52 ` [Xen-devel] " Keir Fraser
2011-02-24 17:43 ` Dan Magenheimer
2011-02-24 17:58 ` Olivier Hanesse
2011-02-24 19:01 ` [Xen-devel] " Jeremy Fitzhardinge
2011-02-28 14:37 ` Olivier Hanesse
2011-02-28 15:00 ` Keir Fraser
2011-02-28 15:14 ` [Xen-devel] " Dan Magenheimer
2011-02-28 15:23 ` Olivier Hanesse
2011-02-28 15:30 ` Dan Magenheimer
2011-02-28 15:54 ` Olivier Hanesse
2011-04-15 7:51 ` andre.arnold
2011-04-15 16:31 ` Olivier Hanesse
2012-09-27 15:54 ` [Xen-devel] " Mauro
2012-09-27 19:27 ` [Xen-users] " Dan Magenheimer
2012-09-27 21:28 ` Olivier Hanesse
2012-09-27 21:42 ` [Xen-devel] " Mauro
2012-09-29 8:08 ` [Xen-users] " Olivier Hanesse
2012-09-29 9:41 ` [Xen-devel] " Mauro
2012-09-29 12:19 ` Mauro
2012-09-30 15:13 ` [Xen-users] " Pasi Kärkkäinen
2012-09-30 19:23 ` [Xen-devel] " Mauro
2012-09-30 20:19 ` Mauro
2012-10-15 7:39 ` [Xen-users] " Olivier Hanesse
2012-10-15 8:05 ` Philippe.Simonet
2012-10-15 9:39 ` Mauro
2012-10-15 10:32 ` Jan Beulich
2012-10-15 11:24 ` [Xen-devel] " Mauro
2012-10-15 12:49 ` [Xen-users] " Jan Beulich
2012-10-15 14:25 ` Mauro
2012-10-17 16:15 ` Keir Fraser
2012-10-18 7:40 ` Ian Campbell
2012-10-18 7:55 ` Keir Fraser
2012-10-18 8:33 ` Ian Campbell
2012-10-18 8:56 ` [Xen-devel] " Mauro
2012-10-18 9:36 ` [Xen-users] " Ian Campbell
2012-10-18 13:45 ` Philippe.Simonet
2012-10-18 16:43 ` Keir Fraser
2012-10-21 20:52 ` [Xen-devel] " Mauro
2012-10-22 6:54 ` [Xen-users] " Jan Beulich
2012-10-22 9:17 ` [Xen-devel] " Mauro
2012-10-22 9:27 ` [Xen-users] " Jan Beulich
2012-10-22 10:40 ` [Xen-devel] " Mauro
2012-10-22 12:06 ` [Xen-users] " Jan Beulich
2012-10-23 7:19 ` Mauro
[not found] ` <CAE17a0VU3H8UmUWZv1+t98ME8LFgCZAWWBC1nhzM=ecbu6_GaQ@mail.gmail.com>
2012-10-23 7:58 ` Jan Beulich
2012-10-23 8:40 ` Mauro
2012-10-23 8:50 ` Jan Beulich
2012-10-23 11:50 ` Konrad Rzeszutek Wilk
2012-10-23 14:07 ` Mauro
2012-10-23 14:43 ` Jan Beulich
2012-10-23 14:46 ` Mauro
2012-10-23 15:34 ` Mauro
2012-10-23 15:49 ` Jan Beulich
2012-10-01 11:39 ` Zary Matej
2011-02-28 15:39 ` [Xen-devel] " Keir Fraser
2012-09-29 15:13 ` Mauro
2011-09-13 7:16 ` Philippe Simonet
2011-09-15 8:23 ` Konrad Rzeszutek Wilk
2011-09-15 8:24 ` Konrad Rzeszutek Wilk [this message]
2011-09-15 16:24 ` Jeremy Fitzhardinge
2011-09-16 6:03 ` Philippe.Simonet
2011-09-16 22:40 ` Jeremy Fitzhardinge
2011-09-19 5:45 ` Philippe Simonet
2011-09-15 10:36 ` George Dunlap
2011-09-15 18:38 ` Dan Magenheimer
2011-09-19 10:39 ` George Dunlap
2011-09-22 12:07 ` Jan Beulich
2011-09-30 6:33 ` Philippe.Simonet
2011-09-30 9:36 ` tommics
2011-09-30 17:16 ` Dan Magenheimer
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