From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753877AbYIQIYf (ORCPT ); Wed, 17 Sep 2008 04:24:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751788AbYIQIY1 (ORCPT ); Wed, 17 Sep 2008 04:24:27 -0400 Received: from mga06.intel.com ([134.134.136.21]:34406 "EHLO orsmga101.jf.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751503AbYIQIY0 (ORCPT ); Wed, 17 Sep 2008 04:24:26 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.32,414,1217833200"; d="scan'208";a="440348127" Subject: Re: [2.6.27-rc6 regression] Intermittent boot problem with 2.6.27-rc6 From: "Zhang, Yanmin" To: Ravikiran G Thirumalai Cc: linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , torvalds@linux-foundation.org, Ingo Molnar In-Reply-To: <20080916200414.GB16993@localdomain> References: <20080916200414.GB16993@localdomain> Content-Type: text/plain Date: Wed, 17 Sep 2008 16:23:06 +0800 Message-Id: <1221639786.25574.27.camel@ymzhang> Mime-Version: 1.0 X-Mailer: Evolution 2.21.5 (2.21.5-2.fc9) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2008-09-16 at 13:04 -0700, Ravikiran G Thirumalai wrote: > Hi, > Booting 2.6.27-rc6, or the current Linus' git on large x86_64 NUMA wedges > intermittently. This happens on machines with more than 4 NUMA nodes. The > same kernel boots on similar hardware with fewer NUMA nodes (or boards). > 2.6.27-rc3 seemed to boot well on similar configurations, so looks like a > regression crept in between 2.6.27-rc3 and rc6. > > I am trying a few things -- commandline options to eliminate popular > suspects (such as unsynced tsc clocksources) as well as git bisect, but > wanted to report the regression in the meanwhile. > Here's the dmesg of a 24 core 6 node wedged system. Because the git doesn't include my patch. Pls. try it. http://marc.info/?l=linux-kernel&m=122093094701219&w=2 yanmin