From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH 0/3] sched: newidle and RT wake-buddy fixes Date: Thu, 3 Jul 2008 17:12:09 +0200 Message-ID: <20080703151209.GA17059@elte.hu> References: <20080627202444.3829.21595.stgit@lsg.lsg.lab.novell.com> <20080630131511.GA7506@elte.hu> <4868DCC7.BA47.005A.0@novell.com> <20080703144124.GA653@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: rostedt@goodmis.org, peterz@infradead.org, npiggin@suse.de, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org To: Gregory Haskins Return-path: Received: from mx3.mail.elte.hu ([157.181.1.138]:33637 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750852AbYGCPMW (ORCPT ); Thu, 3 Jul 2008 11:12:22 -0400 Content-Disposition: inline In-Reply-To: <20080703144124.GA653@elte.hu> Sender: linux-rt-users-owner@vger.kernel.org List-ID: * Ingo Molnar wrote: > > * Gregory Haskins wrote: > > > I may have found the issue: It looks like the hunk that initially > > disables interrupts in load_balance_newidle() was inadvertently > > applied to load_balance() instead during the merge to linux-tip. If > > you fold the following patch into my original patch, it should set > > things right again. > > ah, sorry - indeed! I've reactivated your patch and i'm testing it > now. -tip testing found that it still hangs at: Intel machine check architecture supported. Intel machine check reporting enabled on CPU#1. x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106 CPU1: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ stepping 02 Brought up 2 CPUs Total of 2 processors activated (8044.97 BogoMIPS). [...] with this config: http://redhat.com/~mingo/misc/config-Thu_Jul__3_16_49_53_CEST_2008.bad on 3 separate test-systems. I've again reverted both your fixup and the original commit. I've pushed out the failing tree to the tmp.sched/devel.fe6149f5e82 -tip branch, you should be able to reproduce it. Ingo