From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753126Ab0CJKU4 (ORCPT ); Wed, 10 Mar 2010 05:20:56 -0500 Received: from courier.cs.helsinki.fi ([128.214.9.1]:41611 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751987Ab0CJKUw (ORCPT ); Wed, 10 Mar 2010 05:20:52 -0500 Message-ID: <4B977282.40505@cs.helsinki.fi> Date: Wed, 10 Mar 2010 12:20:50 +0200 From: Pekka Enberg User-Agent: Thunderbird 2.0.0.23 (Macintosh/20090812) MIME-Version: 1.0 To: "=?UTF-8?B?QW3DqXJpY28gV2FuZw==?=" CC: Christoph Lameter , linux-mm@kvack.org, LKML , viro@zeniv.linux.org.uk, mingo@elte.hu, akpm@linux-foundation.org, roland@redhat.com, peterz@infradead.org Subject: Re: 2.6.34-rc1: kernel BUG at mm/slab.c:2989! References: <2375c9f91003100029q7d64bbf7xce15eee97f7e2190@mail.gmail.com> In-Reply-To: <2375c9f91003100029q7d64bbf7xce15eee97f7e2190@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Américo Wang kirjoitti: > Hello, mm experts, > > I triggered an mm bug today, the full backtrace is here: > > http://pastebin.ca/1831436 > > I am using yesterday's Linus tree. > > It's not easy to reproduce this, I got this very randomly. > > Some related config's are: > > CONFIG_SLAB=y > CONFIG_SLABINFO=y > # CONFIG_DEBUG_SLAB is not set > > Please let me know if you need more info. Looks like regular SLAB corruption bug to me. Can you trigget it with SLUB? Anyway, it seems very unlikely that it's caused by the SLAB changes in -rc1 so I'm CC'ing scheduler and fs folks in case the oops rings a bell. Pekka