Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753946Ab0HWRBv (ORCPT ); Mon, 23 Aug 2010 13:01:51 -0400 Received: from tex.lwn.net ([70.33.254.29]:43029 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753001Ab0HWRBt (ORCPT ); Mon, 23 Aug 2010 13:01:49 -0400 Date: Mon, 23 Aug 2010 11:01:45 -0600 From: Jonathan Corbet To: LKML Cc: dri-devel@lists.freedesktop.org Subject: i915: 2.6.36-rc2 hoses my Intel display Message-ID: <20100823110145.08eb72fd@bike.lwn.net> Organization: LWN.net X-Mailer: Claws Mail 3.7.6 (GTK+ 2.21.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="MP_/5029YrFAvhyvaDQ=332AYSF" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 284053 Lines: 3715 --MP_/5029YrFAvhyvaDQ=332AYSF Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Content-Disposition: inline So I decided to fire up -rc2 today to see what would happen...the results are best described by the attached images. Something is clearly scrambled between my hardware and the i915 driver. Display with X is hosed, but things go weird before X gets a chance to run (it is worth noting that the initial output from the kernel is legible). FWIW, my hardware is: 00:02.1 Display controller: Intel Corporation 82Q35 Express Integrated Graphics Controller (rev 02) Subsystem: Dell OptiPlex 755 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR-