From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757733AbYDGL1I (ORCPT ); Mon, 7 Apr 2008 07:27:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757897AbYDGL0e (ORCPT ); Mon, 7 Apr 2008 07:26:34 -0400 Received: from E23SMTP05.au.ibm.com ([202.81.18.174]:59929 "EHLO e23smtp05.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756175AbYDGL0d (ORCPT ); Mon, 7 Apr 2008 07:26:33 -0400 Date: Mon, 7 Apr 2008 16:54:59 +0530 From: Dhaval Giani To: "Rafael J. Wysocki" Cc: Frans Pop , linux-kernel@vger.kernel.org, Ingo Molnar , Srivatsa Vaddagiri , Peter Zijlstra Subject: Re: [rc8] Regression: key repeats and skips in music during compilation Message-ID: <20080407112459.GA11532@linux.vnet.ibm.com> Reply-To: Dhaval Giani References: <200804041222.35025.elendil@planet.nl> <200804071121.03888.rjw@sisk.pl> <200804071205.13369.elendil@planet.nl> <200804071229.27113.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200804071229.27113.rjw@sisk.pl> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 07, 2008 at 12:29:26PM +0200, Rafael J. Wysocki wrote: > On Monday, 7 of April 2008, Frans Pop wrote: > > 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. > > Well, CONFIG_GROUP_SCHED is known to cause problems, AFAICS, and some fixes > are scheduled for the 2.6.26 time frame. > I thought we had most of the issues ironed out. /me tries to reproduce. -- regards, Dhaval