From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754802Ab2C0UlX (ORCPT ); Tue, 27 Mar 2012 16:41:23 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:45095 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751682Ab2C0UlW (ORCPT ); Tue, 27 Mar 2012 16:41:22 -0400 Date: Tue, 27 Mar 2012 22:39:13 +0200 From: Daniel Vetter To: Tony Vroon Cc: Dave Airlie , DRI mailing list , linux-kernel@vger.kernel.org, Matt Turner Subject: Re: [git pull] drm main pull for 3.4-rc1 Message-ID: <20120327203913.GA2436@phenom.ffwll.local> Mail-Followup-To: Tony Vroon , Dave Airlie , DRI mailing list , linux-kernel@vger.kernel.org, Matt Turner References: <4F70764F.7030409@linx.net> <20120326143250.GN4014@phenom.ffwll.local> <4F7080D1.4050400@linx.net> <20120327193124.GA1971@phenom.ffwll.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120327193124.GA1971@phenom.ffwll.local> X-Operating-System: Linux phenom 3.2.0-1-amd64 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 Tue, Mar 27, 2012 at 09:31:24PM +0200, Daniel Vetter wrote: > On Mon, Mar 26, 2012 at 03:44:33PM +0100, Tony Vroon wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On 26/03/12 15:32, Daniel Vetter wrote: > > > Also, can you check whether disabling vt-d does work around the > > > issue? > > > > Yes, that does appear to stay operational for longer on: > > Linux adrastea 3.3.0-06972-ge22057c #1 SMP PREEMPT Mon Mar 26 11:29:21 > > BST 2012 x86_64 Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz GenuineIntel > > GNU/Linux > > > > Obviously I would like to have x2apic and my IOMMU back... > > Can you try out the for-chainsaw branch from > > git://people.freedesktop.org/~danvet/drm > > Afaics it seems to help here on my snb with VT-d enabled. But that means > it'll still crash eventually with tons of DMAR fault message (like yours). > But compared to previous kernels it now doesn't insta-die for me. So no > high hopes, please, but it would be interesting to know how this fares for > you. > > Meanwhile I'll be trying a few other funky tricks. Yet another thing to try: Can you append intel_iommu=igfx_off to your kernel cmdline? If you can, try this both on mainline kernels and with my additional patches. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [git pull] drm main pull for 3.4-rc1 Date: Tue, 27 Mar 2012 22:39:13 +0200 Message-ID: <20120327203913.GA2436@phenom.ffwll.local> References: <4F70764F.7030409@linx.net> <20120326143250.GN4014@phenom.ffwll.local> <4F7080D1.4050400@linx.net> <20120327193124.GA1971@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 36EE99E779 for ; Tue, 27 Mar 2012 13:41:22 -0700 (PDT) Received: by wibhj13 with SMTP id hj13so243778wib.12 for ; Tue, 27 Mar 2012 13:41:21 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20120327193124.GA1971@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Tony Vroon Cc: linux-kernel@vger.kernel.org, DRI mailing list List-Id: dri-devel@lists.freedesktop.org On Tue, Mar 27, 2012 at 09:31:24PM +0200, Daniel Vetter wrote: > On Mon, Mar 26, 2012 at 03:44:33PM +0100, Tony Vroon wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On 26/03/12 15:32, Daniel Vetter wrote: > > > Also, can you check whether disabling vt-d does work around the > > > issue? > > > > Yes, that does appear to stay operational for longer on: > > Linux adrastea 3.3.0-06972-ge22057c #1 SMP PREEMPT Mon Mar 26 11:29:21 > > BST 2012 x86_64 Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz GenuineIntel > > GNU/Linux > > > > Obviously I would like to have x2apic and my IOMMU back... > > Can you try out the for-chainsaw branch from > > git://people.freedesktop.org/~danvet/drm > > Afaics it seems to help here on my snb with VT-d enabled. But that means > it'll still crash eventually with tons of DMAR fault message (like yours). > But compared to previous kernels it now doesn't insta-die for me. So no > high hopes, please, but it would be interesting to know how this fares for > you. > > Meanwhile I'll be trying a few other funky tricks. Yet another thing to try: Can you append intel_iommu=igfx_off to your kernel cmdline? If you can, try this both on mainline kernels and with my additional patches. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48