From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759363Ab1DPMBv (ORCPT ); Sat, 16 Apr 2011 08:01:51 -0400 Received: from 8bytes.org ([88.198.83.132]:57671 "EHLO 8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759327Ab1DPMBo (ORCPT ); Sat, 16 Apr 2011 08:01:44 -0400 Date: Sat, 16 Apr 2011 14:01:43 +0200 From: Joerg Roedel To: Yinghai Lu Cc: Ingo Molnar , Alexandre Demers , Linus Torvalds , "H. Peter Anvin" , Alex Deucher , Linux Kernel Mailing List , "dri-devel@lists.freedesktop.org" , Thomas Gleixner , Tejun Heo Subject: Re: Linux 2.6.39-rc3 Message-ID: <20110416120143.GR18463@8bytes.org> References: <4DA655E7.3000904@zytor.com> <20110415131152.GJ18463@8bytes.org> <4DA8535B.4080901@gmail.com> <20110415142724.GK18463@8bytes.org> <4DA895A2.4060307@gmail.com> <20110415190641.GA20770@elte.hu> <4DA899EA.8010602@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4DA899EA.8010602@kernel.org> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 15, 2011 at 12:18:02PM -0700, Yinghai Lu wrote: > On 04/15/2011 12:06 PM, Ingo Molnar wrote: > > > > > Joerg, mind submitting it with a changelog that includes everything we learned > > about this bug and all the Tested-by's in place? > > > > Is anyone of the opinion that we should try to revert the allocation > > order/alignment changes in addition to this fix? > > We should figure out what is written to 0xa0001000 (main memory) by GPU before internal GART is setup. > > Joerg, > can you insert some dump code in the drm/radon code to find out which > function cause the problem? I am not a GPU expert, but I will see what I can find out. Joerg From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: Linux 2.6.39-rc3 Date: Sat, 16 Apr 2011 14:01:43 +0200 Message-ID: <20110416120143.GR18463@8bytes.org> References: <4DA655E7.3000904@zytor.com> <20110415131152.GJ18463@8bytes.org> <4DA8535B.4080901@gmail.com> <20110415142724.GK18463@8bytes.org> <4DA895A2.4060307@gmail.com> <20110415190641.GA20770@elte.hu> <4DA899EA.8010602@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from 8bytes.org (8bytes.org [88.198.83.132]) by gabe.freedesktop.org (Postfix) with ESMTP id 90A999E802 for ; Sat, 16 Apr 2011 05:01:44 -0700 (PDT) Content-Disposition: inline In-Reply-To: <4DA899EA.8010602@kernel.org> 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: Yinghai Lu Cc: Linux Kernel Mailing List , "dri-devel@lists.freedesktop.org" , Tejun Heo , "H. Peter Anvin" , Linus Torvalds , Thomas Gleixner , Alexandre Demers List-Id: dri-devel@lists.freedesktop.org On Fri, Apr 15, 2011 at 12:18:02PM -0700, Yinghai Lu wrote: > On 04/15/2011 12:06 PM, Ingo Molnar wrote: > > > > > Joerg, mind submitting it with a changelog that includes everything we learned > > about this bug and all the Tested-by's in place? > > > > Is anyone of the opinion that we should try to revert the allocation > > order/alignment changes in addition to this fix? > > We should figure out what is written to 0xa0001000 (main memory) by GPU before internal GART is setup. > > Joerg, > can you insert some dump code in the drm/radon code to find out which > function cause the problem? I am not a GPU expert, but I will see what I can find out. Joerg