From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756797AbYDGJVU (ORCPT ); Mon, 7 Apr 2008 05:21:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755898AbYDGJVM (ORCPT ); Mon, 7 Apr 2008 05:21:12 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:53110 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755798AbYDGJVL (ORCPT ); Mon, 7 Apr 2008 05:21:11 -0400 From: "Rafael J. Wysocki" To: Frans Pop Subject: Re: [rc8] Regression: key repeats and skips in music during compilation Date: Mon, 7 Apr 2008 11:21:03 +0200 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: linux-kernel@vger.kernel.org, Ingo Molnar References: <200804041222.35025.elendil@planet.nl> <200804062239.44861.rjw@sisk.pl> In-Reply-To: <200804062239.44861.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200804071121.03888.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday, 6 of April 2008, Rafael J. Wysocki wrote: > On Friday, 4 of April 2008, Frans Pop wrote: > > While compiling glibc I am getting frequent short skips in music play > > anddddddddddddddddd I have now three times seen key repeats (as in this > > sentence). When there is a skip in the music, there is also a delay in > > characters being typed appearing on the screen. > > > > I have not seen these symptoms with earlier rc releases (at least, not since > > rc1), but I have not really done many heavy compilations recently, so I'd > > have to spend some time to verify where this started. > > > > The problem seems somewhat different from what we had with rc1 as the mouse > > is smooth. > > > > System is dual core Pentium D (x86_64). During the compilation one processor > > core is basically idle. The music files are being read from an NFS share. > > Can you test with CONFIG_GROUP_SCHED unset, please? I was able to reproduce this issue with -rc8 on one of my test systems, but I'm not any more with the current Linus' tree and CONFIG_GROUP_SCHED unset, FWIW. Thanks, Rafael