From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751953Ab3ATLsP (ORCPT ); Sun, 20 Jan 2013 06:48:15 -0500 Received: from mail.skyhub.de ([78.46.96.112]:56326 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751672Ab3ATLsO (ORCPT ); Sun, 20 Jan 2013 06:48:14 -0500 Date: Sun, 20 Jan 2013 12:48:28 +0100 From: Borislav Petkov To: =?utf-8?B?SsO2cmcgUsO2ZGVs?= Cc: Udo van den Heuvel , linux-kernel@vger.kernel.org, Boris Ostrovsky , Jacob Shin Subject: Re: 3.6.11 AMD-Vi: Completion-Wait loop timed out Message-ID: <20130120114828.GB16519@pd.tnic> Mail-Followup-To: Borislav Petkov , =?utf-8?B?SsO2cmcgUsO2ZGVs?= , Udo van den Heuvel , linux-kernel@vger.kernel.org, Boris Ostrovsky , Jacob Shin References: <50FBC7EF.6040207@xs4all.nl> <20130120103652.GB16800@pd.tnic> <50FBC994.8020409@xs4all.nl> <20130120111920.GL25591@8bytes.org> <50FBD413.1000406@xs4all.nl> <20130120114011.GN25591@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20130120114011.GN25591@8bytes.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 20, 2013 at 12:40:11PM +0100, Jörg Rödel wrote: > Yes, the BIOS vendor can fix this issue. They need to disable NB clock > gating for the IOMMU. Right, Udo, you can try Gigabyte first. Btw, can't we add a quirk to disable NB clock gating? Maybe Boris and Jacob could help. CCed. Guys, the error description is at http://marc.info/?l=linux-kernel&m=135867802432660 Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --