From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754527AbXEAFZf (ORCPT ); Tue, 1 May 2007 01:25:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1031594AbXEAFZe (ORCPT ); Tue, 1 May 2007 01:25:34 -0400 Received: from ns.suse.de ([195.135.220.2]:37885 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030954AbXEAFZS (ORCPT ); Tue, 1 May 2007 01:25:18 -0400 Date: Tue, 1 May 2007 08:22:58 +0200 From: Andi Kleen 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: <20070501062258.GR25929@bingen.suse.de> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070430221624.dcc7346b.randy.dunlap@oracle.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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)? -Andi