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From: Andreas Kinzler <ml-xen-devel@hfp.de>
To: Josip Rodin <joy@entuzijast.net>
Cc: Philippe.Simonet@swisscom.com, xen-devel@lists.xensource.com
Subject: Re: (XEN) Platform timer appears to have unexpectedly wrapped 10 or more times.
Date: Tue, 10 Apr 2012 15:59:42 +0200	[thread overview]
Message-ID: <4F843CCE.7010307@hfp.de> (raw)
In-Reply-To: <20120410130512.GA3598@entuzijast.net>

> On Tue, Apr 10, 2012 at 02:33:18PM +0200, Andreas Kinzler wrote:
>> I have the same problem. Do you use ntpd? Which version? I suspect
>> some link between the problem and ntpd.
> But ntpd is still a userland program, shouldn't the kernel exert the
> ultimate control over who gets to screw with the system's clock source?
> In any case, I did a quick grep of ntpd sources and found references to
> RDTSC only in the Windows port, so the link doesn't seem obvious.

Right, there is no obvious link (but which hard to reproduce bug is 
obvious?) but see 
"http://lists.xen.org/archives/html/xen-devel/2011-10/msg01269.html". 
There seems to be some connection.

Regards Andreas

  reply	other threads:[~2012-04-10 13:59 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-04 17:23 (XEN) Platform timer appears to have unexpectedly wrapped 10 or more times Josip Rodin
2012-01-05  9:39 ` Philippe.Simonet
2012-04-10 12:33   ` Andreas Kinzler
2012-04-10 13:05     ` Josip Rodin
2012-04-10 13:59       ` Andreas Kinzler [this message]
2012-04-10 14:07         ` Josip Rodin

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