From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756055AbYAOTn6 (ORCPT ); Tue, 15 Jan 2008 14:43:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751278AbYAOTnu (ORCPT ); Tue, 15 Jan 2008 14:43:50 -0500 Received: from gw.goop.org ([64.81.55.164]:45436 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751134AbYAOTnu (ORCPT ); Tue, 15 Jan 2008 14:43:50 -0500 Message-ID: <478D0CE7.2090104@goop.org> Date: Tue, 15 Jan 2008 11:43:35 -0800 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Andi Kleen CC: Ingo Molnar , tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: unify pagetable accessors patch causes double fault II References: <20080114094814.GA28300@basil.nowhere.org> <20080114125638.GA9510@basil.nowhere.org> <20080114130620.GA14057@elte.hu> <20080114135811.GA16190@one.firstfloor.org> <478BDC43.6050105@goop.org> <20080114222349.GA23409@one.firstfloor.org> <478BE628.7090008@goop.org> <20080115135317.GA13493@elte.hu> <20080115173658.GA2665@one.firstfloor.org> In-Reply-To: <20080115173658.GA2665@one.firstfloor.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > The patch does not fix the problem here. When I boot plain git-x86 > upto commit 67db3027d691ff8049d19be7bc440eca0e5826d7 > on my 6GB machine I still get an recursive oops on entering user space. > > The only difference to earlier kernels seems to be that the problem > happens a little latter (in stty, not boot), but that might be just > coincidence. > Yesterday's x86.git was missing all my unification patches, so if you were seeing this oops then, it's something else. Is it still caused specifically by "unify pagetable accessors", or is some other change being problematic now? J