From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754999AbXEARYp (ORCPT ); Tue, 1 May 2007 13:24:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755000AbXEARYp (ORCPT ); Tue, 1 May 2007 13:24:45 -0400 Received: from agminet01.oracle.com ([141.146.126.228]:33961 "EHLO agminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754998AbXEARYo (ORCPT ); Tue, 1 May 2007 13:24:44 -0400 Date: Tue, 1 May 2007 10:26:32 -0700 From: Randy Dunlap To: Randy Dunlap Cc: Andi Kleen , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.21-rc7-mm2 hangs in boot (netconsole) Message-Id: <20070501102632.abfc3323.randy.dunlap@oracle.com> In-Reply-To: <20070501092233.b55d0ea4.randy.dunlap@oracle.com> References: <20070425225716.8e9b28ca.akpm@linux-foundation.org> <20070429220132.951cdf7f.randy.dunlap@oracle.com> <20070429222354.63265e3f.akpm@linux-foundation.org> <20070430081653.60fab0a5.randy.dunlap@oracle.com> <20070430165101.6463fee1.randy.dunlap@oracle.com> <20070430171229.d514ba19.akpm@linux-foundation.org> <46368DC3.5070503@oracle.com> <20070430180821.eb269fe3.akpm@linux-foundation.org> <20070501034330.GJ25929@bingen.suse.de> <20070430221624.dcc7346b.randy.dunlap@oracle.com> <20070501062258.GR25929@bingen.suse.de> <20070501092233.b55d0ea4.randy.dunlap@oracle.com> Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.3.1 (GTK+ 2.8.10; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Whitelist: TRUE X-Whitelist: TRUE X-Brightmail-Tracker: AAAAAQAAAAI= Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 1 May 2007 09:22:33 -0700 Randy Dunlap wrote: > On Tue, 1 May 2007 08:22:58 +0200 Andi Kleen wrote: > > > On Mon, Apr 30, 2007 at 10:16:24PM -0700, Randy Dunlap wrote: > > > On Tue, 1 May 2007 05:43:30 +0200 Andi Kleen wrote: > > > > > > > > Andi: unprocessor x86_64 running rc7-mm2 is hanging early in boot at > > > > > randomish times (presumably in the timer irq handler) when netconsole and > > > > > printk-time are enabled. > > > > > > > > A backtrace would be good. Does nmi_watchdog=2 show anything > > > > interesting or if not sysrq-t? > > > > > > I can't get anything from sysrq or nmi_watchdog. > > > > Hmm, ok when the console locks up those likely don't work. > > > > > > > > > > I was hitting the same thing on i386 uniprocessor, but I thought it got > > > > > fixed. > > > > > > > > Yes. > > > > > > Fixed where? Merged into mainline or in your firstfloor patches? > > > > None of the sched-clock changes are in mainline yet. > > > > Can you perhaps test latest firstfloor alone (without rest of -mm)? > > OK. so your 2.6.21-rc7-git5 patch, applied to 2.6.21-git4 or > applied to 2.6.21-rc7-git5 ? Applied cleanly to 2.6.21-rc7-git5, but it has build errors: arch/x86_64/mm/built-in.o: In function `mark_rodata_ro': (.text+0x180): undefined reference to `_stext' arch/x86_64/mm/built-in.o: In function `mem_init': (.init.text+0x2cf): undefined reference to `_stext' arch/x86_64/mm/built-in.o: In function `do_page_fault': (.kprobes.text+0x59c): undefined reference to `_stext' arch/x86_64/vdso/built-in.o: In function `arch_setup_additional_pages': (.text+0x40): undefined reference to `vdso_end' arch/x86_64/vdso/built-in.o: In function `arch_setup_additional_pages': (.text+0x58): undefined reference to `vdso_start' arch/x86_64/vdso/built-in.o: In function `init_vdso_vars': vma.c:(.init.text+0x1b): undefined reference to `vdso_end' vma.c:(.init.text+0x26): undefined reference to `vdso_start' vma.c:(.init.text+0x3c): undefined reference to `vdso_start' kernel/built-in.o: In function `profile_hits': (.text+0x9609): undefined reference to `_stext' kernel/built-in.o: In function `core_kernel_text': (.text+0x197c4): undefined reference to `_stext' kernel/built-in.o: In function `is_ksym_addr': kallsyms.c:(.text+0x27042): undefined reference to `_stext' kernel/built-in.o: In function `profile_init': (.init.text+0xc57): undefined reference to `_stext' make: *** [.tmp_vmlinux1] Error 1 --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***