Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754788Ab0H3JMs (ORCPT ); Mon, 30 Aug 2010 05:12:48 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:44290 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753663Ab0H3JMr convert rfc822-to-8bit (ORCPT ); Mon, 30 Aug 2010 05:12:47 -0400 Subject: Re: [Bug #16399] perf failed with kernel 2.6.35-rc From: Peter Zijlstra To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , "Zhang, Yanmin" In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Mon, 30 Aug 2010 11:12:43 +0200 Message-ID: <1283159563.1820.665.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4628 Lines: 51 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 -- 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/