Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756793AbZA3WLn (ORCPT ); Fri, 30 Jan 2009 17:11:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754597AbZA3WLe (ORCPT ); Fri, 30 Jan 2009 17:11:34 -0500 Received: from qmta04.emeryville.ca.mail.comcast.net ([76.96.30.40]:36419 "EHLO QMTA04.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754213AbZA3WLe (ORCPT ); Fri, 30 Jan 2009 17:11:34 -0500 Message-ID: <49837B32.3010206@xyzw.org> Date: Fri, 30 Jan 2009 14:12:02 -0800 From: Brian Rogers User-Agent: Thunderbird 2.0.0.19 (X11/20090103) MIME-Version: 1.0 To: Mike Galbraith CC: Nathanael Hoyle , Jan Engelhardt , Linux Kernel Mailing List Subject: Re: scheduler nice 19 versus 'idle' behavior / static low-priority scheduling References: <1233294584.28741.2.camel@localhost> <1233297635.17301.11.camel@localhost> <1233302349.17301.27.camel@localhost> <1233302861.6061.14.camel@marge.simson.net> In-Reply-To: <1233302861.6061.14.camel@marge.simson.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1078 Lines: 25 Mike Galbraith wrote: > On Fri, 2009-01-30 at 02:59 -0500, Nathanael Hoyle wrote: > >> I am running foldingathome under it at the moment, and it seems to be >> improving the situation somewhat, but I still need/want to test with >> Mike's referenced patches. >> > You will most definitely encounter evilness running SCHED_IDLE tasks in > a kernel without the SCHED_IDLE fixes. > Speaking of SCHED_IDLE fixes, is 6bc912b71b6f33b041cfde93ca3f019cbaa852bc going to be put into the next stable 2.6.28 release? Without it on 2.6.28.2, I can still produce minutes-long freezes with BOINC or other idle processes. With the above commit on top of 2.6.28.2 and also cce7ade803699463ecc62a065ca522004f7ccb3d, the problem is solved, though I assume cce7ad isn't actually required to fix that, and I can test that if desired. -- 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/