Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753739Ab0ARCbx (ORCPT ); Sun, 17 Jan 2010 21:31:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751244Ab0ARCbw (ORCPT ); Sun, 17 Jan 2010 21:31:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:3443 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751327Ab0ARCbq (ORCPT ); Sun, 17 Jan 2010 21:31:46 -0500 Message-ID: <4B53C7E0.1090201@redhat.com> Date: Mon, 18 Jan 2010 10:30:56 +0800 From: Xiaotian Feng User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0 MIME-Version: 1.0 To: =?UTF-8?B?T3phbiDDh2HEn2xheWFu?= CC: Thomas Gleixner , damm@igel.co.jp, hsweeten@visionengravers.com, akpm@linux-foundation.org, venkatesh.pallipadi@intel.com, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/4] clockevents: fix clockevent_devices list corruption after cpu hotplug References: <1260450459-18072-1-git-send-email-dfeng@redhat.com> <4B52D822.1010700@pardus.org.tr> In-Reply-To: <4B52D822.1010700@pardus.org.tr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1420 Lines: 42 On 01/17/2010 05:28 PM, Ozan Çağlayan wrote: > Thomas Gleixner wrote: > >> >> I'm not happy about that churn. Why don't we simply scan the >> clockevent_devices list for leftovers of the dead CPU ? >> >> Untested patch below solves the same problem. > > > Hi, I have 3 bug reports about a clockevent failure while halting the system (2.6.31.11 kernel). > It exactly pinpoints to the line 262 which got changed with this patch merged to 2.6.31.10 (and also 2.6.32.3): > > [4406.986777] kernel BUG at kernel/time/clockevents.c:262! > [4406.986777] invalid opcode: 0000 [#1] SMP > [4406.986777] last sysfs file: /sysfs/module/ip_tables/initstate I think this one is duplicated of http://bugzilla.kernel.org/show_bug.cgi?id=15037 Thomas is working on the fix. I've sent a workaround patch on http://patchwork.kernel.org/patch/71537/ > > > All 3 systems have Pentium 4 processors with different clock speeds. > > Here's a screenshot of the full stacktrace: > http://bugs.pardus.org.tr/attachment.cgi?id=4820 > > and the relevant bugzilla report: > http://bugzilla.kernel.org/show_bug.cgi?id=15073 > > Thanks, > Ozan Caglayan > Pardus Linux -- http://www.pardus.org.tr/eng > -- 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/