Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754916Ab1DOG5S (ORCPT ); Fri, 15 Apr 2011 02:57:18 -0400 Received: from fep21.mx.upcmail.net ([62.179.121.41]:63295 "EHLO fep21.mx.upcmail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753111Ab1DOG5R (ORCPT ); Fri, 15 Apr 2011 02:57:17 -0400 X-Greylist: delayed 1082 seconds by postgrey-1.27 at vger.kernel.org; Fri, 15 Apr 2011 02:57:12 EDT X-SourceIP: 77.58.148.40 Message-ID: <4DA7E83A.8080007@odi.ch> Date: Fri, 15 Apr 2011 08:39:54 +0200 From: =?ISO-8859-1?Q?Ortwin_Gl=FCck?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Thunderbird/3.1.9 MIME-Version: 1.0 To: Pavel Machek CC: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org Subject: Re: High latency in wine after suspend References: <4D89E99F.30808@odi.ch> <20110415054026.GA1484@ucw.cz> In-Reply-To: <20110415054026.GA1484@ucw.cz> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Cloudmark-Analysis: v=1.1 cv=vUpxTctd+kpWCBtSXXIkt5ll4Z8E5Qu9nLREXC/hfIo= c=1 sm=0 a=I24HDECOQz4A:10 a=XV0QBAHWQGoA:10 a=8nJEP1OIZ-IA:10 a=ULRV9qDADAjPEBY8bRcA:9 a=wPNLvfGTeEIA:10 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 955 Lines: 24 >> After a suspend/resume cycle I see intermittent high latency in >> poll_schedule_timeout (latencytop). This leads to the mouse cursor >> freezing for several seconds sometimes when switching to/from a window >> of a wine process. The problem never occurs before suspend, but always >> occurs after. Any ideas what could cause such behaviour? Kernel is >> vanilla 2.6.38 x86_64 running on a recent HP laptop with Intel chipset. > > Was this solved somehow? Can you try to find "smaller" testcase -- > anything less complex than wine? What about hibernation? Yes, I made an educated guess and applied 84ac7c x86, mtrr, pat: Fix one cpu getting out of sync during resume With that the problem is gone. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/