From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: Re: 2.6.27.5 RT patch status (26rt11) Date: Thu, 20 Nov 2008 11:46:12 -0200 Message-ID: <20081120134612.GJ30491@ghostprotocols.net> References: <20081110234740.GB18819@windriver.com> <20081120132544.GG30491@ghostprotocols.net> <20081120132910.GH30491@ghostprotocols.net> <63a49ef40811200543m75bb49deu4dc1c861b226c481@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Paul Gortmaker , linux-rt-users@vger.kernel.org To: Alessio Igor Bogani Return-path: Received: from mx2.redhat.com ([66.187.237.31]:45846 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751408AbYKTNqT (ORCPT ); Thu, 20 Nov 2008 08:46:19 -0500 Content-Disposition: inline In-Reply-To: <63a49ef40811200543m75bb49deu4dc1c861b226c481@mail.gmail.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Em Thu, Nov 20, 2008 at 02:43:09PM +0100, Alessio Igor Bogani escreveu: > Dear Sir Carvalho de Melo, > > 2008/11/20 Arnaldo Carvalho de Melo : > [...] > >> I hit one, DELL PE1900, dual dual core xeon, megasas disk controler, > [...] > >> BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 > [...] > > Could you try this patch, please? > > Thanks! > > Ciao, > Alessio > > Index: linux-source-2.6.27/kernel/fork.c > =================================================================== > --- linux-source-2.6.27.orig/kernel/fork.c 2008-11-11 10:50:21.000000000 +0100 > +++ linux-source-2.6.27/kernel/fork.c 2008-11-11 10:50:40.000000000 +0100 > @@ -229,7 +229,7 @@ > init_task.signal->rlim[RLIMIT_SIGPENDING] = > init_task.signal->rlim[RLIMIT_NPROC]; > > - for (i = 0; i < NR_CPUS; i++) > + for (i = 0; i < nr_cpu_ids; i++) > INIT_LIST_HEAD(&per_cpu(delayed_drop_list, i)); > } Thanks, looks like this should fix this, I'll test and report back. - Arnaldo