Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755359AbYFPFPs (ORCPT ); Mon, 16 Jun 2008 01:15:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752550AbYFPFPj (ORCPT ); Mon, 16 Jun 2008 01:15:39 -0400 Received: from rgminet01.oracle.com ([148.87.113.118]:34587 "EHLO rgminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751012AbYFPFPi (ORCPT ); Mon, 16 Jun 2008 01:15:38 -0400 Date: Sun, 15 Jun 2008 22:14:58 -0700 From: Randy Dunlap To: "Yinghai Lu" Cc: "Rafael J. Wysocki" , "Linux Kernel Mailing List" Subject: Re: [Bug 10872] x86_64 boot hang when CONFIG_NUMA=n Message-Id: <20080615221458.e575ab10.randy.dunlap@oracle.com> In-Reply-To: <86802c440806152112y23fda539i841ed77da8f2ad78@mail.gmail.com> References: <20080615093543.1b18b9eb.randy.dunlap@oracle.com> <86802c440806151218h7b8b6c80q4ce0f6505244e588@mail.gmail.com> <20080615181101.bcbab2ef.randy.dunlap@oracle.com> <86802c440806152112y23fda539i841ed77da8f2ad78@mail.gmail.com> Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.0; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2679 Lines: 77 On Sun, 15 Jun 2008 21:12:35 -0700 Yinghai Lu wrote: > On Sun, Jun 15, 2008 at 6:11 PM, Randy Dunlap wrote: > > On Sun, 15 Jun 2008 12:18:42 -0700 Yinghai Lu wrote: > > > >> On Sun, Jun 15, 2008 at 9:35 AM, Randy Dunlap wrote: > >> > On Sat, 14 Jun 2008 22:12:04 +0200 (CEST) Rafael J. Wysocki wrote: > >> > > >> >> This message has been generated automatically as a part of a report > >> >> of recent regressions. > >> >> > >> >> The following bug entry is on the current list of known regressions > >> >> from 2.6.25. Please verify if it still should be listed. > >> >> > >> >> > >> >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10872 > >> >> Subject : x86_64 boot hang when CONFIG_NUMA=n > >> >> Submitter : Randy Dunlap > >> >> Date : 2008-06-05 21:50 (10 days old) > >> >> References : http://marc.info/?l=linux-kernel&m=121270308607116&w=4 > >> >> http://lkml.org/lkml/2008/6/11/355 > >> >> Handled-By : Yinghai Lu > >> > > >> > Yes, still happens for me on 2.6.26-rc6-git2. > >> > > >> > >> please send out whole boot log with numa on and numa off > >> and boot with debug > >> > >> please apply attached debug patch too. > > > > OK, did all of that. > > I should probably note that in both cases, the kernel is loaded/booted by using kexec. > > Both boot logs are captured generated via netconsole. > > > > The failing boot log is netcon-4409.log. The working boot log (CONFIG_NUMA=y) is > > netcon-4410.log. Enabling CONFIG_NUMA makes the following changes: > > > > 4c4 > > < # Sun Jun 15 15:00:56 2008 > > --- > >> # Sun Jun 15 15:10:15 2008 > > 241c241,246 > > < # CONFIG_NUMA is not set > > --- > >> CONFIG_NUMA=y > >> CONFIG_K8_NUMA=y > >> CONFIG_X86_64_ACPI_NUMA=y > >> CONFIG_NODES_SPAN_OTHER_NODES=y > >> # CONFIG_NUMA_EMU is not set > >> CONFIG_NODES_SHIFT=6 > > 249a255 > >> CONFIG_NEED_MULTIPLE_NODES=y > > 260a267 > >> CONFIG_MIGRATION=y > > 282a290 > >> CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y > > 309a318 > >> CONFIG_ACPI_NUMA=y > > > > the print out looks all right. > > any chance to use normal serial console to capture the boot log? Not that I know of. --- ~Randy '"Daemon' is an old piece of jargon from the UNIX operating system, where it referred to a piece of low-level utility software, a fundamental part of the operating system." -- 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/