From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757396AbYDGKF3 (ORCPT ); Mon, 7 Apr 2008 06:05:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755977AbYDGKFR (ORCPT ); Mon, 7 Apr 2008 06:05:17 -0400 Received: from hpsmtp-eml14.kpnxchange.com ([213.75.38.114]:57540 "EHLO hpsmtp-eml14.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755886AbYDGKFQ (ORCPT ); Mon, 7 Apr 2008 06:05:16 -0400 From: Frans Pop To: "Rafael J. Wysocki" Subject: Re: [rc8] Regression: key repeats and skips in music during compilation Date: Mon, 7 Apr 2008 12:05:12 +0200 User-Agent: KMail/1.9.9 References: <200804041222.35025.elendil@planet.nl> <200804062239.44861.rjw@sisk.pl> <200804071121.03888.rjw@sisk.pl> In-Reply-To: <200804071121.03888.rjw@sisk.pl> Cc: linux-kernel@vger.kernel.org, Ingo Molnar MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200804071205.13369.elendil@planet.nl> X-OriginalArrivalTime: 07 Apr 2008 10:05:13.0999 (UTC) FILETIME=[DF5D01F0:01C89896] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 07 April 2008, Rafael J. Wysocki wrote: > 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. > > > > Can you test with CONFIG_GROUP_SCHED unset, please? > > I was able to reproduce this issue with -rc8 on one of my test systems, Thanks Rafael. In the mean time I have verified that the issue also existed in rc6, so it's not a recent regression. > but I'm not any more with the current Linus' tree and CONFIG_GROUP_SCHED > unset, FWIW. Hmm. Does that mean that you _can_ reproduce it with git HEAD and CONFIG_GROUP_SCHED set? That would mean it is still an issue in HEAD and group scheduling is the culprit. I'll try to confirm that later today. Cheers, FJP