Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761036AbYBSGL3 (ORCPT ); Tue, 19 Feb 2008 01:11:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752528AbYBSGLW (ORCPT ); Tue, 19 Feb 2008 01:11:22 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:44458 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752463AbYBSGLU (ORCPT ); Tue, 19 Feb 2008 01:11:20 -0500 Date: Tue, 19 Feb 2008 07:11:07 +0100 From: Ingo Molnar To: Torsten Kaiser Cc: Linus Torvalds , Linux Kernel Mailing List Subject: Re: Linux 2.6.25-rc2 Message-ID: <20080219061107.GA23229@elte.hu> References: <64bb37e0802161338j306c1357m25bc224f09e6b7cd@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <64bb37e0802161338j306c1357m25bc224f09e6b7cd@mail.gmail.com> 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 Content-Length: 1337 Lines: 47 * Torsten Kaiser wrote: > On Feb 15, 2008 10:23 PM, Linus Torvalds wrote: > > > > Ok, > > this kernel is a winner. > > Sadly not for me: > [ 5282.056415] ------------[ cut here ]------------ > [ 5282.059757] kernel BUG at lib/list_debug.c:33! > [ 5282.062055] invalid opcode: 0000 [1] SMP > [ 5282.062055] CPU 3 hm. Your crashes do seem to span multiple subsystems, but it always seems to be around the SLUB code. Could you try the patch below? The SLUB code has a new optimization and i'm not 100% sure about it. [the hack below switches the SLUB optimization off by disabling the CPU feature it relies on.] Ingo -------------> arch/x86/Kconfig | 4 ---- 1 file changed, 4 deletions(-) Index: linux/arch/x86/Kconfig =================================================================== --- linux.orig/arch/x86/Kconfig +++ linux/arch/x86/Kconfig @@ -59,10 +59,6 @@ config HAVE_LATENCYTOP_SUPPORT config SEMAPHORE_SLEEPERS def_bool y -config FAST_CMPXCHG_LOCAL - bool - default y - config MMU def_bool y -- 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/