From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755035Ab1BQMst (ORCPT ); Thu, 17 Feb 2011 07:48:49 -0500 Received: from mail-fx0-f46.google.com ([209.85.161.46]:43965 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752682Ab1BQMsr (ORCPT ); Thu, 17 Feb 2011 07:48:47 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=W1Qi1qc3lzt2EFPVfMbn4ZIt4ijb73MeFS+kNm3GM/b735fecR0s6kvP8CDIZnB7dp ybFNQefLvjXdh/FMycHOAO/TneM46NaybeaCMfHcoM4DVDxliTUrcVlRdqO6LQpLPVW/ KzuWg7G2Tl0+467EISvSRVbbyIcrv6Q9F0v34= Date: Thu, 17 Feb 2011 13:48:38 +0100 From: Tejun Heo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, yinghai@kernel.org, brgerst@gmail.com, gorcunov@gmail.com, shaohui.zheng@intel.com, rientjes@google.com, hpa@linux.intel.com, ankita@in.ibm.com Subject: Re: [boot crash] Re: [PATCHSET x86/numa] x86-64, NUMA: bring sanity to NUMA config/emulation Message-ID: <20110217124838.GT19830@htj.dyndns.org> References: <1297858867-25981-1-git-send-email-tj@kernel.org> <20110216125249.GA18113@elte.hu> <20110216141757.GG19830@htj.dyndns.org> <20110216155314.GA22855@elte.hu> <20110216162329.GI19830@htj.dyndns.org> <20110216172954.GA28054@elte.hu> <20110217123511.GA26685@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110217123511.GA26685@elte.hu> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 17, 2011 at 01:35:11PM +0100, Ingo Molnar wrote: > > FYI, -tip testing has found the follow boot crash: > > [ 0.000000] init_memory_mapping: 0000000000000000-000000003fff0000 > [ 0.000000] 0000000000 - 003fff0000 page 4k > [ 0.000000] kernel direct mapping tables up to 3fff0000 @ 3fdee000-3fff0000 > PANIC: early exception 06 rip 10:ffffffff8102f069 error 0 cr2 f06f53 > [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.38-rc5-tip+ #94135 > [ 0.000000] Call Trace: > [ 0.000000] [] ? early_idt_handler+0x5e/0x71 > [ 0.000000] [] ? __phys_addr+0x69/0x70 > [ 0.000000] [] ? __phys_addr+0x9/0x70 > [ 0.000000] [] ? initmem_init+0xf0/0xa0d > [ 0.000000] [] ? parse_crashkernel+0x40/0x2a1 > [ 0.000000] [] ? dummy_numa_init+0x0/0x70 > [ 0.000000] [] ? is_vsmp_box+0x9/0x50 > [ 0.000000] [] ? setup_arch+0x9f9/0xaec > [ 0.000000] [] ? printk+0x41/0x45 > [ 0.000000] [] ? start_kernel+0x9d/0x3b5 > [ 0.000000] [] ? x86_64_start_reservations+0x132/0x136 > [ 0.000000] [] ? x86_64_start_kernel+0x14e/0x15d > > Full crashlog attached below, config attached as well. > > Testbox is a standard dual-core Athlon64 whitebox PC, with no particular > weirdnesses. The box boots fine with x86/mm removed from tip:master. > > I've excluded x86/mm from tip:master for the time being. This was with the > e23bba604433 x86/mm tree. Does the following patch from Yinghai fix the problem? http://thread.gmane.org/gmane.linux.kernel/1101528/focus=1101598 Thanks. -- tejun