From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754390AbXEAF1R (ORCPT ); Tue, 1 May 2007 01:27:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754411AbXEAF1Q (ORCPT ); Tue, 1 May 2007 01:27:16 -0400 Received: from mx2.suse.de ([195.135.220.15]:53063 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754368AbXEAF1Q (ORCPT ); Tue, 1 May 2007 01:27:16 -0400 Date: Tue, 1 May 2007 08:24:56 +0200 From: Andi Kleen To: Andrew Morton Cc: Randy Dunlap , Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: 2.6.21-rc7-mm2 hangs in boot (netconsole) Message-ID: <20070501062456.GS25929@bingen.suse.de> References: <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> <20070430222348.de258c98.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070430222348.de258c98.akpm@linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > The bug is in firstfloor only, and the fix (if present) will be there too. > > > > Nope, > > ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/sched-clock-share > > is identical to > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc7/2.6.21-rc7-mm2/broken-out/x86_64-mm-sched-clock-share.patch Or perhaps the deadlock is in the cpufrequency handler. Does it happen without CONFIG_CPUFREQ too? [cpufreq handler calls ktime_get which might take xtime lock for reading] -Andi