Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753984AbYCLQtb (ORCPT ); Wed, 12 Mar 2008 12:49:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751733AbYCLQtY (ORCPT ); Wed, 12 Mar 2008 12:49:24 -0400 Received: from styx.suse.cz ([82.119.242.94]:51008 "EHLO mail.suse.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751685AbYCLQtY (ORCPT ); Wed, 12 Mar 2008 12:49:24 -0400 Date: Wed, 12 Mar 2008 17:49:22 +0100 (CET) From: Jiri Kosina To: David Newall cc: Theodore Tso , "Fred ." , linux-kernel@vger.kernel.org Subject: Re: Keys get stuck In-Reply-To: <47D8091E.6030906@davidnewall.com> Message-ID: References: <47D7B428.6010804@davidnewall.com> <20080312144701.GZ15804@mit.edu> <47D8091E.6030906@davidnewall.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1357 Lines: 28 On Thu, 13 Mar 2008, David Newall wrote: > > The problem is that under heavy load the auto-repeat problem is real; > > I've seen it as well, and it means that I've started to try to avoid > > "make -j4" since that's a great way to trigger it. > I'm sure it does suck under heavy load, although I suppose you could > increase the start time. But I wonder if that is the problem this > time? Modern machines are so damned fast they actually take real effort > to load. Actually, "make -j4" doesn't sound particularly heavy. > There's huge disk i/o in a make. Plenty of scheduling opportunities. > Obviously I only know what everybody else here knows; but with so many > recent posts suggesting a scheduling fault has been introduced, I'm > expecting it to be that. The problem became much more apparent during early -rc phase of 2.6.25 for those people that have CONFIG_GROUP_SCHED turned on. This clearly shows that X are somehow unhappy with how kernel schedules them, but I don't have idea how autorepeat is implemented inside X and what could be the problem right now. -- Jiri Kosina SUSE Labs -- 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/