Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757105AbYLPOiA (ORCPT ); Tue, 16 Dec 2008 09:38:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754444AbYLPOhv (ORCPT ); Tue, 16 Dec 2008 09:37:51 -0500 Received: from brick.kernel.dk ([93.163.65.50]:1159 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752243AbYLPOht (ORCPT ); Tue, 16 Dec 2008 09:37:49 -0500 Date: Tue, 16 Dec 2008 15:37:21 +0100 From: Jens Axboe To: Kamalesh Babulal Cc: "Paul E. McKenney" , Stephen Rothwell , linux-next@vger.kernel.org, LKML , dm-devel@redhat.com, tglx@linutronix.de, mel@csn.ul.ie Subject: Re: [BUG] linux-next: 20081209 - kernel bug at __rcu_process_callbacks, while booting up Message-ID: <20081216143721.GT32491@kernel.dk> References: <20081209185237.8bb715d7.sfr@canb.auug.org.au> <20081210115721.GB6107@linux.vnet.ibm.com> <20081210145414.GA6945@linux.vnet.ibm.com> <20081210163007.GA6391@linux.vnet.ibm.com> <20081210175338.GB6745@linux.vnet.ibm.com> <20081210180936.GD6391@linux.vnet.ibm.com> <20081210183302.GD6745@linux.vnet.ibm.com> <20081212194026.GA5455@linux.vnet.ibm.com> <20081212221611.GG6950@linux.vnet.ibm.com> <20081216143001.GA4365@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081216143001.GA4365@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2580 Lines: 70 On Tue, Dec 16 2008, Kamalesh Babulal wrote: > * Paul E. McKenney [2008-12-12 14:16:11]: > > > On Sat, Dec 13, 2008 at 01:10:26AM +0530, Kamalesh Babulal wrote: > > > * Paul E. McKenney [2008-12-10 10:33:02]: > > > > > > > On Wed, Dec 10, 2008 at 11:39:36PM +0530, Kamalesh Babulal wrote: > > > > > * Paul E. McKenney [2008-12-10 09:53:38]: > > > > > > > > > > > On Wed, Dec 10, 2008 at 10:00:07PM +0530, Kamalesh Babulal wrote: > > > > > > > * Paul E. McKenney [2008-12-10 06:54:14]: > > > > > > > > > > > > > > > On Wed, Dec 10, 2008 at 05:27:21PM +0530, Kamalesh Babulal wrote: > > > > > > > > > Hi, > > > > > > > > > > > > > > > > > > Kernel bug is hit while booting up the next-20081208/09 kernels over > > > > > > > > > the x86_64 box. The IP is pointing to 0x0 and its stuck at > > > > > > > > > __rcu_process_callbacks. > > > > > > > > > > > > > > > > Kernel config? > > > > > > > > > > > > > > > > Thanx, Paul > > > > > > > > > > > > > > > Hi Paul, > > > > > > > > > > > > > > I have attached the kernel config file. > > > > > > > > > > > > Hello, Kamalesh, > > > > > > > > > > > > No significant recent changes in this area. Is this consistent? > > > > > > Any chance of "git bisect"? > > > > > > > > > > > > Thanx, Paul > > > > > > > > > > > Hi Paul, > > > > > > > > > > I tried reproducing it for three times and I was successfull in reproducing it thrice. > > > > > I have already started the git bisect, will update the results soon. > > > > > > > > Very good, looking forward to seeing the result! > > > > > > > > Thanx, Paul > > > > > > > Hi Paul, > > > > > > After a Complete round of git bisect, I was not able to reproduce the oops, > > > but when I tried again with complete next-20081209 patch, I am getting > > > different warning message altogether this time > > > > Might be that the two oopses are different manifestations of the same > > underlying problem, right? > > > > Thanx, Paul > > > Hi Paul, > > Your were right, those were the manifestation of the same > problem. Adding to it another calltrace was commonly visible > during the git-bisect. Did you try with a newer version? Should be fixed since last week. -- Jens Axboe -- 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/