Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754089Ab1C2HLX (ORCPT ); Tue, 29 Mar 2011 03:11:23 -0400 Received: from mail-gy0-f174.google.com ([209.85.160.174]:51682 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751876Ab1C2HLW convert rfc822-to-8bit (ORCPT ); Tue, 29 Mar 2011 03:11:22 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=eA2+yDGwLSprrh8Uv3+M5j1yGBrQIe/WbTzB6YT7EV/JxOvb2ZkhLsn/wLRXHa2L6i HiSjE2Tbz83stOO2MYDwCgJLoUTiQdh00lu8ljsGJRHuwmTCQTa496WxLBySPPkwuhK+ IDn8eel2q+uFDTaRKNiqfYYcsVfwTBWTZUeEY= MIME-Version: 1.0 In-Reply-To: <849307$c6tdto@azsmga001.ch.intel.com> References: <849307$c6tdto@azsmga001.ch.intel.com> Date: Tue, 29 Mar 2011 10:11:21 +0300 X-Google-Sender-Auth: M-JKpK1uMfhyhQE73MK7IaRdQUQ Message-ID: Subject: Re: [git pull] drm fixes for -rc1 From: Pekka Enberg To: Chris Wilson Cc: Dave Airlie , torvalds@linux-foundation.org, DRI mailing list , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2678 Lines: 57 On Mon, Mar 28, 2011 at 10:09 PM, Chris Wilson wrote: > On Mon, 28 Mar 2011 21:53:32 +0300, Pekka Enberg wrote: >> On Mon, Mar 28, 2011 at 9:43 PM, Pekka Enberg wrote: >> > On Thu, Mar 24, 2011 at 1:34 PM, Dave Airlie wrote: >> >> It should have the fix for your i915 in the intel patches, along with >> >> a couple of radeon fixes, and the vblank change + fix. >> > >> > I'm seeing some laptop screen flicker during boot and a while after I >> > log in (it then seems to go away). It's my trusty old Macbook with >> > i915 and Ubuntu 10.04. I see this in dmesg: >> > >> > [ ? ?1.782046] [drm] initialized overlay support >> > [ ? ?1.782075] [drm] capturing error event; look for more information >> > in /debug/dri/0/i915_error_state >> > [ ? ?1.782889] render error detected, EIR: 0x00000010 >> > [ ? ?1.782933] page table error >> > [ ? ?1.782970] ? PGTBL_ER: 0x00000102 >> > [ ? ?1.783009] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: >> > 0x00000010, masking >> > [ ? ?1.783063] render error detected, EIR: 0x00000010 >> > [ ? ?1.783106] page table error >> > [ ? ?1.783143] ? PGTBL_ER: 0x00000102 >> > >> > I'm attaching the full dmesg, i915_error_state, and .config. > > Right, looks like we have an issue with setting up the hardware for > KMS/GEM whilst it is still active. As we disable the outputs anyway for > the KMS takeover, we can arrange to do so first and so prevent this bug. > The side-effect will be that initial screen blanking will last a little > bit longer. Let me know if there's a patch/git tree to test. The flicker is extremely annoying and I boot the machine often because it's my main kernel development laptop. >> I'm also seeing these errors now which seem to be new from 2.6.38-final: >> >> [ ?437.566022] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a >> purgeable buffer >> [ ?437.566187] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a >> purgeable buffer >> [ ?437.566232] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a >> purgeable buffer >> [ ?437.566275] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a >> purgeable buffer >> [ ?437.566318] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a >> purgeable buffer > > That's an old userspace bug, which so far no one has been able to > reproduce on the upstream ddx. Is it harmless? Why is the kernel complaining about it? -- 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/