From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758625AbZBMTIB (ORCPT ); Fri, 13 Feb 2009 14:08:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751068AbZBMTHy (ORCPT ); Fri, 13 Feb 2009 14:07:54 -0500 Received: from outbound-va3.frontbridge.com ([216.32.180.16]:40144 "EHLO VA3EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064AbZBMTHx (ORCPT ); Fri, 13 Feb 2009 14:07:53 -0500 X-BigFish: VPS-52(z21eWz1432R62a3L98dR936eQ1805Mzzzzz32i6bh61h) X-Spam-TCS-SCL: 0:0 X-FB-SS: 5, X-WSS-ID: 0KF0QGN-02-W0B-01 Date: Fri, 13 Feb 2009 20:07:40 +0100 From: Robert Richter To: Tim Blechmann CC: oprofile-list@lists.sf.net, linux-kernel@vger.kernel.org Subject: Re: 2.6.29-rc4 regression (was: Re: 2.6.28-rc9: oprofile regression) Message-ID: <20090213190740.GD25042@erda.amd.com> References: <1229869416.6911.1.camel@thinkpad> <49932C35.3020300@klingt.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <49932C35.3020300@klingt.org> User-Agent: Mutt/1.5.16 (2007-06-09) X-OriginalArrivalTime: 13 Feb 2009 19:07:40.0749 (UTC) FILETIME=[579EEFD0:01C98E0E] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tim, still, I can not reproduce this with my tests with v2.6.29-rc4. The regression on the systems I have runs fine on rc4. On the system you have, is commit b99170288421c79f0c2efa8b33e26e65f4bb7fb8 the first bad one? If so, I will split the patch into smaller pieces to find the change that introduces the bug. -Robert On 11.02.09 20:51:17, Tim Blechmann wrote: > i am not sure, whether it is related to my problem with 2.6.28, but > running oprofile on kernel 2.6.29-rc4 (today's linus/master to be > exact), i do not get _any_ NMI: > > tim@thinkpad:~$ sudo opcontrol -s > Using 2.6+ OProfile kernel interface. > Using log file /var/lib/oprofile/samples/oprofiled.log > Daemon started. > Profiler running. > tim@thinkpad:~$ cat /proc/interrupts |grep NMI > NMI: 0 0 Non-maskable interrupts > tim@thinkpad:~$ sudo opcontrol -d > tim@thinkpad:~$ cat /proc/interrupts |grep NMI > NMI: 0 0 Non-maskable interrupts > > dmesg tells me: > oprofile: using NMI interrupt. > > best, tim > > -- > tim@klingt.org > http://tim.klingt.org > > When you open windows, bugs get in. > -- Advanced Micro Devices, Inc. Operating System Research Center email: robert.richter@amd.com