From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753315AbYGYPD7 (ORCPT ); Fri, 25 Jul 2008 11:03:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750936AbYGYPDu (ORCPT ); Fri, 25 Jul 2008 11:03:50 -0400 Received: from rv-out-0506.google.com ([209.85.198.234]:38266 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750753AbYGYPDt (ORCPT ); Fri, 25 Jul 2008 11:03:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=DpCLpZ0hh/UYC/6HKhjRZsl1RdArOYpn1mHgye3Rp8gKooHheyP0XbBHLVY7xiYtb1 cH15DVV3cViKcKENF9+PYuIyABVRAvVrfD/Lqo32l6y5fHn6ph4iTUGmmLtjPQ7JSol8 IqOnhIvBukctd1iNiOjBHaBoW/4Ax2roUpkK4= Message-ID: <19f34abd0807250803y2992aff8g369ce7f6b802708@mail.gmail.com> Date: Fri, 25 Jul 2008 17:03:48 +0200 From: "Vegard Nossum" To: "Larry Finger" Subject: Re: Kernel BUG in 2.6.26-git series Cc: LKML , "Andi Kleen" In-Reply-To: <4889E538.5010007@lwfinger.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <4889E538.5010007@lwfinger.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 25, 2008 at 4:37 PM, Larry Finger wrote: > In the current git pulls from Linus's tree, I get a kernel BUG if > CONFIG_SCHED_SMT is defined. It does not always appear, but when it does, it > is late in the bootup sequence. Perhaps there is a timing issue. This is an > x86_64 system on an HP dv2815nr notebook with and AMD Turion X2 CPU. My > distro is openSUSE 11.0. > > kernel: BUG: unable to handle kernel NULL pointer dereference at > 000000000000002 > kernel: IP: [] sched_mc_power_savings_store+0x13/0x41 Maybe LKML is slow and somebody else replied to this before me, but I know how much I hate to discover that I've been bisecting something that was fixed a week ago in another tree, so here's a link you might try :-) http://lkml.org/lkml/2008/7/24/398 Vegard -- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036