From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758731AbXK0Qto (ORCPT ); Tue, 27 Nov 2007 11:49:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756212AbXK0Qth (ORCPT ); Tue, 27 Nov 2007 11:49:37 -0500 Received: from rn-out-0910.google.com ([64.233.170.188]:57961 "EHLO rn-out-0102.google.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756091AbXK0Qtg (ORCPT ); Tue, 27 Nov 2007 11:49:36 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=received:date:from:to:cc:subject:message-id:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=js2BPuXZvQYWweER81qZN1KGx/nKuYZfTpAgJnnoL1GKTH7Bq9HfL2QlRV7Ny4uaBFBY44Np3XYi1jcj+nQAiqntntt8UXQWb3MYtHnCUbxDVd+CcBpaFAcVvScj5McqKbLsQMi3/Vwj9aLJJbVbvKIIMRSu6zMEz0RgYqcm1ZY= Date: Tue, 27 Nov 2007 19:49:29 +0300 From: Cyrill Gorcunov To: Udo van den Heuvel Cc: LKML Subject: Re: possible BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000 Message-ID: <20071127164929.GA7279@cvg> References: <47481590.8090009@xs4all.nl> <200711241951.37817.rjw@sisk.pl> <474870F5.4050504@xs4all.nl> <474C3659.600@xs4all.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <474C3659.600@xs4all.nl> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org [Udo van den Heuvel - Tue, Nov 27, 2007 at 04:23:05PM +0100] | Cyrill Gorcunov wrote: | > On 11/24/07, Udo van den Heuvel wrote: | >> Rafael J. Wysocki wrote: | >>> On Saturday, 24 of November 2007, Udo van den Heuvel wrote: | >>>> Hello, | >>>> | >>>> What happened in the attached messages? | >>>> It was on a VIA Epia EN12000, while compiling. | >>>> Yes, the machine has been stable before and after that issue. | >>>> So I suspect no hardware issues. | >>> Which kernel is this? | >> Sorry for not mentioning: | >> 2.6.23.1 | > Hi Udo, | > i'm not sure about the patch i supposing you to test but it could help | > to locate it ;) | > Could you try it and report me how it works? | | Yes I can! | Thanks for the patch. | But how can I reproduce the (possible) bug the easiest? | It `just happened` during compiling. | So I compile some more? | | Kind regards, | Udo | Hi Udo, yes i think that is the way we could catch it (i mean compiling everything until bug happens ;) the patch i send you is quite stupid and based on my feelings that we have problem with dcache but maybe i just wrong... dunno...lets just try ;) and could you please send your config to me and LKML too. Cyrill