Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756243Ab0H3ReB (ORCPT ); Mon, 30 Aug 2010 13:34:01 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:59470 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751733Ab0H3ReA (ORCPT ); Mon, 30 Aug 2010 13:34:00 -0400 From: "Rafael J. Wysocki" To: Peter Zijlstra Subject: Re: [Bug #16399] perf failed with kernel 2.6.35-rc Date: Mon, 30 Aug 2010 19:32:20 +0200 User-Agent: KMail/1.13.5 (Linux/2.6.36-rc3-rjw+; KDE/4.4.4; x86_64; ; ) Cc: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , "Zhang, Yanmin" References: <1283159563.1820.665.camel@laptop> In-Reply-To: <1283159563.1820.665.camel@laptop> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201008301932.21073.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4795 Lines: 56 On Monday, August 30, 2010, Peter Zijlstra wrote: > On Mon, 2010-08-30 at 01:13 +0200, Rafael J. Wysocki wrote: > > This message has been generated automatically as a part of a report > > of regressions introduced between 2.6.34 and 2.6.35. > > > > The following bug entry is on the current list of known regressions > > introduced between 2.6.34 and 2.6.35. Please verify if it still should > > be listed and let the tracking team know (either way). > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16399 > > Subject : perf failed with kernel 2.6.35-rc > > Submitter : Zhang, Yanmin > > Date : 2010-07-13 8:14 (48 days old) > > First-Bad-Commit: http://git.kernel.org/linus/1ac62cfff252fb668405ef3398a1fa7f4a0d6d15 > > Message-ID : <1279008849.2096.913.camel@ymzhang.sh.intel.com> > > References : http://marc.info/?l=linux-kernel&m=127900880212470&w=2 > > > > > > Should be fixed by: > > commit 351af0725e5222e35741011d1ea62215c1ed06db > Author: Zhang, Yanmin > Date: Fri Aug 6 13:39:08 2010 +0800 > > perf, x86: Fix Intel-nhm PMU programming errata workaround > > Fix the Errata AAK100/AAP53/BD53 workaround, the officialy documented > workaround we implemented in: > > 11164cd: perf, x86: Add Nehelem PMU programming errata workaround > > doesn't actually work fully and causes a stuck PMU state > under load and non-functioning perf profiling. > > A functional workaround was found by trial & error. > > Affects all Nehalem-class Intel PMUs. > > Signed-off-by: Zhang Yanmin > Signed-off-by: Peter Zijlstra > LKML-Reference: <1281073148.2125.63.camel@ymzhang.sh.intel.com> > Cc: Arjan van de Ven > Cc: "H. Peter Anvin" > Cc: # .35.x > Signed-off-by: Ingo Molnar Thanks, closed. Rafael -- 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/