From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763314AbYD3QTv (ORCPT ); Wed, 30 Apr 2008 12:19:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759027AbYD3QTe (ORCPT ); Wed, 30 Apr 2008 12:19:34 -0400 Received: from smtp-out01.alice-dsl.net ([88.44.60.11]:9334 "EHLO smtp-out01.alice-dsl.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758578AbYD3QTd (ORCPT ); Wed, 30 Apr 2008 12:19:33 -0400 To: Eric Sesterhenn Cc: linux-kernel@vger.kernel.org Subject: Re: Oops with strace_test From: Andi Kleen References: <20080430121202.GD18314@alice> Date: Wed, 30 Apr 2008 18:19:29 +0200 In-Reply-To: <20080430121202.GD18314@alice> (Eric Sesterhenn's message of "Wed, 30 Apr 2008 14:12:02 +0200") Message-ID: <87k5ifgvse.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 30 Apr 2008 16:12:37.0236 (UTC) FILETIME=[01A84B40:01C8AADD] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric Sesterhenn writes: > hi, > > running the strace_test from ltp 20080229 (ltp.sf.net) gives me > two different oopses, so far i was not able to pinpoint to a specific > testcase (propably because the strace uses the rng to decided what fails > and what not) one oops is in iret_exc() It is actually somewhere in the woods afterwards, iret_exc is just the last symbol before it. >, the other in __copy_from_user_ll() > The oopses dont happen with 2.6.24 so this appears to be a regression, i am starting > a git-bisect, but this might take some time I would try reverting the last two changesets of arch/x86/lib/usercopy_32.c -Andi