From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josip Rodin Subject: Re: (XEN) Platform timer appears to have unexpectedly wrapped 10 or more times. Date: Tue, 10 Apr 2012 15:05:12 +0200 Message-ID: <20120410130512.GA3598@entuzijast.net> References: <20120104172343.GA30630@entuzijast.net> <4F84288E.1070407@hfp.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4F84288E.1070407@hfp.de> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Andreas Kinzler Cc: Philippe.Simonet@swisscom.com, xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org 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. -- 2. That which causes joy or happiness.