From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753962AbYANTAd (ORCPT ); Mon, 14 Jan 2008 14:00:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751379AbYANTAT (ORCPT ); Mon, 14 Jan 2008 14:00:19 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:40635 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753431AbYANTAR (ORCPT ); Mon, 14 Jan 2008 14:00:17 -0500 Date: Mon, 14 Jan 2008 20:00:04 +0100 From: Ingo Molnar To: Andi Kleen Cc: Jeremy Fitzhardinge , tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: unify pagetable accessors patch causes double fault III Message-ID: <20080114190004.GB26540@elte.hu> References: <20080114094814.GA28300@basil.nowhere.org> <20080114125638.GA9510@basil.nowhere.org> <20080114130620.GA14057@elte.hu> <20080114135811.GA16190@one.firstfloor.org> <478B9183.3020101@goop.org> <20080114165635.GK15542@elte.hu> <20080114170856.GA18412@one.firstfloor.org> <20080114171838.GA18662@one.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080114171838.GA18662@one.firstfloor.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: > BTW there seems to be some other instability that hits even on 64bit. > Since I updated my workstation to a recent git-x86 based kernel > (admittedly with my patches too) I had at least one hard hang already. > > Previously it ran an older -rc5 based kernel without git-x86 also with > most of my patches and was stable for >23 days until a KVM oops > required a reboot. > > It unfortunately was not set up to receive console at this point and > it hung in X, but I'm watching it now. hm. Did the hanging kernel have the i387 regset fix from Roland already? That bug indeed manifested itself as rare desktop hangs. other than that i know of no pending instability but the large-RAM bootup crash you reported. Ingo