From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761569AbYA1RfW (ORCPT ); Mon, 28 Jan 2008 12:35:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754668AbYA1RfJ (ORCPT ); Mon, 28 Jan 2008 12:35:09 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:34727 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753851AbYA1RfI (ORCPT ); Mon, 28 Jan 2008 12:35:08 -0500 Date: Mon, 28 Jan 2008 18:34:49 +0100 From: Ingo Molnar To: Andi Kleen Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, jeremy@goop.org Subject: Re: git-x86 oopses in acpi_ps_peek_opcode Message-ID: <20080128173449.GA22487@elte.hu> References: <20080128171907.GA24037@basil.nowhere.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080128171907.GA24037@basil.nowhere.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Andi Kleen wrote: > git-x86 tip 5b838c0d9d7269eb4d21532da126b3c90db46c67 with x86-64 defconfig > oopses on boot with > > BUG: unable to handle kernel paging request at ffffc20001815000 > IP: [] acpi_ps_peek_opcode+0x4/0x1c > PGD 12fc32067 PUD 32fc24067 PMD 32f42c067 PTE 0 ok, this looks like one of the bugs we fixed in the latest x86.git (freshly released a few minutes ago). Could you please check x86.git#mm with this tip: commit cc77c9972685ea84908eff2fe13114160de5d9cb Author: Thomas Gleixner Date: Mon Jan 28 18:18:43 2008 +0100 x86: cpa: rename global_flush_tlb() to cpa_flush_all() do you still see that crash? Ingo