From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752895Ab0KULuB (ORCPT ); Sun, 21 Nov 2010 06:50:01 -0500 Received: from mga01.intel.com ([192.55.52.88]:43031 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752398Ab0KULuA (ORCPT ); Sun, 21 Nov 2010 06:50:00 -0500 Message-Id: X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.59,231,1288594800"; d="scan'208";a="859883669" Date: Sun, 21 Nov 2010 11:49:57 +0000 To: Vincent Vanackere Subject: Re: [i915] 2.6.37-rc1 G33 regression : no DVI output Cc: linux kernel mailing list In-Reply-To: References: From: Chris Wilson Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 21 Nov 2010 12:20:01 +0100, Vincent Vanackere wrote: > Hi, > > I'm trying to track down a regression occuring in recent kernel : I > get the DVI output of my intel G33 chipset through a Sapphire ADD2 > DVI-D SDVO adaptor card and it was working fine until > kernel 2.6.37-rc1 : > - all more recent kernels only give a black screen > - I can log through ssh and no oops nor anything suspicious is in the log > - I get an output if I uses the VGA builtin port. Add drm.debug=0xe to your boot command line (or module options) and attach the dmesg. We're obviously failing to detect the output over the SDVO card, and hopefully we might have a reason in the debug log. -Chris -- Chris Wilson, Intel Open Source Technology Centre