From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761290AbYHUTe0 (ORCPT ); Thu, 21 Aug 2008 15:34:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756170AbYHUTeR (ORCPT ); Thu, 21 Aug 2008 15:34:17 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:39733 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756215AbYHUTeQ (ORCPT ); Thu, 21 Aug 2008 15:34:16 -0400 From: "Rafael J. Wysocki" To: "Vegard Nossum" Subject: Re: latest -git: suspend: unable to handle kernel paging request (was Re: no_console_suspend doesn't work?) Date: Thu, 21 Aug 2008 21:37:52 +0200 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: "Linux Kernel Mailing List" , "Andrew Morton" References: <19f34abd0808211028w7889587fke523ff244339e7c5@mail.gmail.com> <200808212113.53411.rjw@sisk.pl> <19f34abd0808211216q319e4fbclc41b362d8dbdcbc0@mail.gmail.com> In-Reply-To: <19f34abd0808211216q319e4fbclc41b362d8dbdcbc0@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808212137.52757.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday, 21 of August 2008, Vegard Nossum wrote: > On Thu, Aug 21, 2008 at 9:13 PM, Rafael J. Wysocki wrote: > >> ...followed by the "unable to handle kernel paging request" as in > >> previous e-mail. The numbers 00100104 and 00200200 seem to appear all > >> the time. > >> > >> At least it is 100% reproducible now and with nice oopses too :-) > > > > Hm, slab corruption, it seems. > > > > Do you use SLAB or SLUB? > > SLUB, with all possible debugging: > > CONFIG_SLUB_DEBUG=y > # CONFIG_SLAB is not set > CONFIG_SLUB=y > # CONFIG_SLOB is not set > CONFIG_SLABINFO=y > CONFIG_SLUB_DEBUG_ON=y > CONFIG_SLUB_STATS=y > > (Thanks for helping out.) (You're welcome.) Can you switch to SLAB and retest? I don't really think SLUB is the issue here, but SLAB may give us additional information. Thanks, Rafael