From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753053Ab2APAlV (ORCPT ); Sun, 15 Jan 2012 19:41:21 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:51915 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752763Ab2APAlT (ORCPT ); Sun, 15 Jan 2012 19:41:19 -0500 Date: Mon, 16 Jan 2012 00:41:10 +0000 From: Matthew Garrett To: bastien ROUCARIES Cc: "Rafael J. Wysocki" , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , LKML , x86@kernel.org Subject: Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot Message-ID: <20120116004110.GA21240@srcf.ucam.org> References: <201111160019.51303.rjw@sisk.pl> <201201091700.09318.roucaries.bastien@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <201201091700.09318.roucaries.bastien@gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 09, 2012 at 05:00:08PM +0100, bastien ROUCARIES wrote: > Le Wednesday 16 November 2011 00:19:51, Rafael J. Wysocki a écrit : > > From: Rafael J. Wysocki > > > > Dell OptiPlex 990 is known to require PCI reboot, so add it to the reboot > > blacklist in pci_reboot_dmi_table[]. > > > Sorry to hi jack this thread but it seems that dell made the same crap with my precision T1600. See > http://www.centos.org/modules/newbb/print.php?form=1&topic_id=32948&forum=55&order=ASC&start=0 > or > https://bugzilla.redhat.com/show_bug.cgi?id=698239 Does it work if you disable VT-d in the firmware? If so, then adding it to the reboot method blacklist is the wrong fix - we need to figure out why VT-d interferes with Dell's reboot code. -- Matthew Garrett | mjg59@srcf.ucam.org