From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751213Ab3K3Idm (ORCPT ); Sat, 30 Nov 2013 03:33:42 -0500 Received: from www17.your-server.de ([213.133.104.17]:60233 "EHLO www17.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979Ab3K3Idl (ORCPT ); Sat, 30 Nov 2013 03:33:41 -0500 Message-ID: <1385800414.7279.3.camel@localhost.localdomain> Subject: Re: [i915] BUG: Bad page state in process Xorg From: Thomas Meyer To: Rob Clark Cc: Daniel Vetter , DRI mailing list , Dave Airlie , Linux Kernel Mailing List Date: Sat, 30 Nov 2013 09:33:34 +0100 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.8.5 (3.8.5-2.fc19) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Authenticated-Sender: thomas@m3y3r.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Montag, den 25.11.2013, 08:23 -0500 schrieb Rob Clark: > oh, hmm.. are you importing buffers from i915? It looks like this part: My computer has an i915 graphic card and I use an USB docking station, that has an unconnected UDL device inside. > > - if (obj->base.import_attach) { > - drm_free_large(obj->pages); > - obj->pages = NULL; > - return; > - } > > should not have been removed from udl_gem_put_pages().. Do you want me to test this? Can this please be fixed in the stable tree? I removed the UDL driver from my config for now, as I don't use it. * best regards thomas > > BR, > -R > > On Mon, Nov 25, 2013 at 8:17 AM, wrote: > > Hi, > > > > It turns out that this seems to be a bug in udl DRM driver. > > > > I bisected the problem to this patch: > > > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/udl?id=5dc9e1e87229cb786a5bb58ddd0d60fee6eb4641 > > > > With kind regards > > Thomas > > > > Am 22.11.2013 17:18 schrieb Daniel Vetter : > >> > >> On Fri, Nov 22, 2013 at 4:54 PM, Thomas Meyer wrote: > >> >> Am 22.11.2013 um 11:55 schrieb Daniel Vetter : > >> >> > >> >> On Fri, Nov 22, 2013 at 11:36 AM, Dave Airlie wrote: > >> >>>> Hi, > >> >>> > >> >>> cc'ing mailing list, > >> >>> > >> >>> Daniel any ideas? > >> >> > >> >> Nope, not really :( And no ideas how to triage this further - if it > >> >> takes 9 days to hit it eventually we'll have a real hard time. Or does > >> >> this happen even after just a short X run? > >> > > >> > Seems to happen every time while stopping the x server. Also after a short run time. > >> > > >> > The current fedora 3.11 kernel doesn't show this bug. I'm using fedora 19, with a self compiled kernel. > >> > > >> > I did turn on config-debug-pagealloc but this didn't show any wrongness. > >> > >> In that case I think the bisect is the fastest way to insight - atm > >> I'm really at loss what could be wrong here. > >> -Daniel > >> -- > >> Daniel Vetter > >> Software Engineer, Intel Corporation > >> +41 (0) 79 365 57 48 - http://blog.ffwll.ch