Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764864AbXJQOo2 (ORCPT ); Wed, 17 Oct 2007 10:44:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756049AbXJQOoU (ORCPT ); Wed, 17 Oct 2007 10:44:20 -0400 Received: from hellhawk.shadowen.org ([80.68.90.175]:1637 "EHLO hellhawk.shadowen.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756070AbXJQOoT (ORCPT ); Wed, 17 Oct 2007 10:44:19 -0400 Date: Wed, 17 Oct 2007 15:43:52 +0100 From: Andy Whitcroft To: Ingo Molnar Cc: Kamalesh Babulal , LKML , torvalds@linux-foundation.org, Andrew Morton , Dmitry Adamushko , Peter Zijlstra , Srivatsa Vaddagiri , Mike Galbraith , Dhaval Giani Subject: Re: [BUG] 2.6.23-git8 kernel oops at __rb_rotate_left+0x7/0x70 Message-ID: <20071017144352.GF21136@shadowen.org> References: <47144B4F.3050108@linux.vnet.ibm.com> <20071017142140.GA8634@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071017142140.GA8634@elte.hu> User-Agent: Mutt/1.5.13 (2006-08-11) X-SPF-Guess: neutral Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1228 Lines: 34 On Wed, Oct 17, 2007 at 04:21:40PM +0200, Ingo Molnar wrote: > > * Kamalesh Babulal wrote: > > > While running kernbench with the 2.6.23-git8 following oops is > > produced > > Dmitry found something that might explain the crash: could you check > whether the patch below fixes it? > > Ingo > > ----------------------> > Subject: sched: fix new task startup crash > From: Ingo Molnar > > this should fix the put_prev_task crashes that were reported, > Dmitry Adamushko noticed that it's not valid to call into > task_new_fair() if this_cpu != task_cpu(p). > > Reported-by: Kamalesh Babulal > Reported-by: Andy Whitcroft > Signed-off-by: Ingo Molnar I have submitted jobs against a couple of the releases which showed this problem with this patch. They will be a while as there are other tests running at the moment. Will let you know when they are done. -apw - 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/