From: "Rafael J. Wysocki" Subject: Re: 2.6.25-git2: BUG: unable to handle kernel paging request at ffffffffffffffff Date: Mon, 21 Apr 2008 19:19:01 +0200 Message-ID: <200804211919.03070.rjw@sisk.pl> References: <200804191522.54334.rjw@sisk.pl> <480CC9A4.9090503@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Linus Torvalds , LKML , Ingo Molnar , Andrew Morton , linux-ext4@vger.kernel.org, Herbert Xu , "Paul E. McKenney" , "David S. Miller" To: Jiri Slaby Return-path: Received: from ogre.sisk.pl ([217.79.144.158]:35846 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754856AbYDURSv (ORCPT ); Mon, 21 Apr 2008 13:18:51 -0400 In-Reply-To: <480CC9A4.9090503@gmail.com> Content-Disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Monday, 21 of April 2008, Jiri Slaby wrote: > On 04/21/2008 06:54 PM, Linus Torvalds wrote: > > Jiri - could you also confirm whether you are usign SLUB (which is not > > necessarily at all indicative of a SLUB bug itself - it's just that SLAB > > won't ever even merge different allocations of the same size into the same > > buckets, so if it's a cross-slab corruption, you'd simply never see it > > with SLAB). > > Yeah, I'm using slub. Going to boot to slub_debug. > > Thanks so far. > > BTW. I haven't see this without suspend/resume cycle, do you, Rafael? Well, I've seen it only once so far. :-) > It doesn't mean anything, since it needs longer time to trigger, but anyway, > it might be a clue. I think we need some more data anyway. Thanks, Rafael