Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752880Ab3ISUKr (ORCPT ); Thu, 19 Sep 2013 16:10:47 -0400 Received: from mail-ee0-f51.google.com ([74.125.83.51]:56477 "EHLO mail-ee0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751897Ab3ISUKq (ORCPT ); Thu, 19 Sep 2013 16:10:46 -0400 Date: Thu, 19 Sep 2013 22:10:58 +0200 From: Daniel Vetter To: Paul Zimmerman Cc: Dave Airlie , "daniel.vetter@ffwll.ch" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" Subject: Re: Regression: bisected: commit 7c510133d93 breaks video Message-ID: <20130919201058.GD32145@phenom.ffwll.local> Mail-Followup-To: Paul Zimmerman , Dave Airlie , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux phenom 3.10-2-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 Content-Length: 2164 Lines: 51 On Thu, Sep 19, 2013 at 06:32:47PM +0000, Paul Zimmerman wrote: > > From: Paul Zimmerman > > Sent: Thursday, September 19, 2013 11:21 AM > > > > > From: Dave Airlie [mailto:airlied@gmail.com] > > > Sent: Wednesday, September 18, 2013 7:40 PM > > > > > > On Thu, Sep 19, 2013 at 12:02 PM, Paul Zimmerman > > > wrote: > > > > I have an ASUS P6X58D-Premium mobo with a GeForce 9400GT PCIe video card. > > > > With kernel 3.12-rc1, I get scrambled video on boot. Kernel 3.11 works > > > > fine. > > > > > > > > Bisecting this, I found 7c510133d93dd6f15ca040733ba7b2891ed61fd1 "drm: > > > > mark context support as a legacy subsystem" is the guilty commit. If I > > > > revert that commit, the video works fine. > > > > > > > > Is there any more info I can provide? > > > > > > Full dmesg, and what driver you are using. > > > > Driver is nouveau. > > > > The dmesg from a good boot with the commit reverted is attached. > > > > For the bad boot, the dmesg log is filled with messages like this: > > > > [ 15.871667] nouveau E[ PFB][0000:03:00.0] trapped write at 0x01010010a0 on channel 0x0001fed0 > > [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT > > [ 15.871698] nouveau E[ PFB][0000:03:00.0] trapped write at 0x010100b2e0 on channel 0x0001fed0 > > [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT > > [ 15.871781] nouveau E[ PFB][0000:03:00.0] trapped write at 0x0101011600 on channel 0x0001fed0 > > [unknown] BAR/PFIFO_WRITE/IN reason: PAGE_NOT_PRESENT > > > > I will try next with the patch series you sent to Linus yesterday, to > > see if that happens to fix this. > > Nope, with your patch series from yesterday the problem still exists. Just to double-check: Does the revert still work, even on latest upstream git + Dave's pull request? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/