From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by e28esmtp04.in.ibm.com (8.13.1/8.13.1) with ESMTP id m5C6tVmS003714 for ; Thu, 12 Jun 2008 12:25:31 +0530 Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v9.0) with ESMTP id m5C6smr1733238 for ; Thu, 12 Jun 2008 12:24:48 +0530 Received: from d28av05.in.ibm.com (loopback [127.0.0.1]) by d28av05.in.ibm.com (8.13.1/8.13.3) with ESMTP id m5C6tUff002474 for ; Thu, 12 Jun 2008 12:25:30 +0530 Message-ID: <4850C861.108@linux.vnet.ibm.com> Date: Thu, 12 Jun 2008 12:25:29 +0530 From: Kamalesh Babulal MIME-Version: 1.0 Subject: Re: [BUG] 2.6.26-rc5-mm2 - kernel BUG at arch/x86/kernel/setup.c:388! References: <20080609223145.5c9a2878.akpm@linux-foundation.org> <485011DF.9050606@linux.vnet.ibm.com> <1213208897.20475.19.camel@nimitz> <19f34abd0806111137t4291b9fkb66951aa8f4d456f@mail.gmail.com> In-Reply-To: <19f34abd0806111137t4291b9fkb66951aa8f4d456f@mail.gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Return-Path: To: Vegard Nossum Cc: Dave Hansen , Andrew Morton , linux-kernel@vger.kernel.org, kernel-testers@vger.kernel.org, linux-mm@kvack.org, Andy Whitcroft , Balbir Singh , Mike Travis , Ingo Molnar List-ID: Vegard Nossum wrote: > On 6/11/08, Dave Hansen wrote: >> On Wed, 2008-06-11 at 23:26 +0530, Kamalesh Babulal wrote: >> > Hi Andrew, >> > >> > The 2.6.26-rc5-mm2 kernel panic's, while booting up on the x86_64 >> > box with the attached .config file. >> >> >> Just to save everyone the trouble, it looks like this is a new BUG_ON(). >> i>>? >> http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.26-rc5/2.6.26-rc5-mm2/broken-out/fix-x86_64-splat.patch >> >> The machine in question is a single-node machine, but with >> CONFIG_NUMA=y. >> > > Yes. Sorry, I already responded in a separate e-mail (see below), but > that obviously missed all the Ccs. So here it goes again...: > > I'm betting > > commit a953e4597abd51b74c99e0e3b7074532a60fd031 > Author: Mike Travis > Date: Mon May 12 21:21:12 2008 +0200 > > sched: replace MAX_NUMNODES with nr_node_ids in kernel/sched.c > > will fix this if it's not in -mm2 already. > > The BUG() is simply there to prevent silent corruption. Mike already > has a patch that changes it to a WARN(), but it obviously didn't get > through (either)... > > > Vegard Hi, Thanks, the patch fixes the kernel oops. > > > On 6/11/08, Vegard Nossum wrote: >> On 6/9/08, Kamalesh Babulal wrote: >> > Hi Andrew, >> > >> > The 2.6.26-rc5-mm2 kernel panic's, while booting up on the x86_64 >> > box with the attached .config file. >> >> (Please apologize for the strange way of replying to this message. It >> seems that LKML gave up delivering to my address, so I'm currently >> reading off lkml.org.) >> >> This should already be fixed, but Andrew refused to apply the patch >> before releasing the -mm1 (and -mm2 apparently). I'm attaching the >> patch, can you see if it helps? >> >> Thanks. >> >> >> Vegard > -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org