Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760270AbYFJKUK (ORCPT ); Tue, 10 Jun 2008 06:20:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755557AbYFJKT5 (ORCPT ); Tue, 10 Jun 2008 06:19:57 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:37058 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753461AbYFJKT4 (ORCPT ); Tue, 10 Jun 2008 06:19:56 -0400 Date: Tue, 10 Jun 2008 12:19:45 +0200 From: Ingo Molnar To: Peter Zijlstra Cc: Cliff Wickman , sivanich@sgi.com, linux-kernel@vger.kernel.org Subject: Re: [BUG] hotplug cpus on ia64 Message-ID: <20080610101945.GA19136@elte.hu> References: <1212154614.12349.244.camel@twins> <20080603221759.GA19039@sgi.com> <1212670198.23439.45.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1212670198.23439.45.camel@twins> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0061] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 684 Lines: 25 * Peter Zijlstra wrote: > > > does: > > > > > > echo -1 > /proc/sys/kernel/sched_rt_runtime_us > > > > > > fix the problem? > > > > Yes! It does. > > > > Dimitri Sivanich has run into what looks like a similar problem. > > Hope the above workaround is a good clue to its solution. > > Does the below fix it? while it's not the full fix i've applied it to tip/sched-devel for more testing. Thanks, Ingo -- 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/