From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751733AbZIGTNz (ORCPT ); Mon, 7 Sep 2009 15:13:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751025AbZIGTNy (ORCPT ); Mon, 7 Sep 2009 15:13:54 -0400 Received: from qw-out-2122.google.com ([74.125.92.27]:58902 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750912AbZIGTNx (ORCPT ); Mon, 7 Sep 2009 15:13:53 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=XALlWAQQpBCo/mZtHWVT8rcqkuiQuMtEoRJh39glSZNbz903ozzfCggTpqspelT46E 86p478G8Kv6yRYFkl9BmaIlb8uDqQnmZ7pBH8o8BbwFM0RXShnDxufVmpZENsHfI0JgK S6VBJljzqvVqiPoxZz74Mfbw8JKMnSqXjLOhw= Date: Mon, 7 Sep 2009 21:12:19 +0200 From: "Carlos R. Mafra" To: Linus Torvalds Cc: Ma Ling , Jesse Barnes , Zhao Yakui , Eric Anholt , Linux Kernel Mailing List Subject: Re: [Bisected] Output to external monitor is broken (Re: Linux 2.6.31-rc9) Message-ID: <20090907191219.GA5015@Pilar.aei.mpg.de> References: <20090906142206.GA4449@Pilar.aei.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Mon 7.Sep'09 at 11:37:39 -0700, Linus Torvalds wrote: > Carlos - can you also do the full dmesg _with_ the corruption? I realize > that your screen is unreadable, but if you can just log in blindly, and > do a "dmesg > saved-dmesg-file" and then do a clean reboot? No need for > a serial console or anything fancy - I assume the machine is still > working, just with bad output. > > It might also be a good idea to boot with "drm.debug=15" to enable much > more debugging output. > - Linus ] I am no longer at the institute with the monitor to test, but I've already uploaded similar debug info to the bugzilla upon ykzhao's request this morning (but I think you were not Cc:-ed on that request, though). http://bugzilla.kernel.org/show_bug.cgi?id=14139 PS: The external monitor is unreadable, but the laptop's screen is still good.