From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753406AbYKYLGb (ORCPT ); Tue, 25 Nov 2008 06:06:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752668AbYKYLGV (ORCPT ); Tue, 25 Nov 2008 06:06:21 -0500 Received: from bu3sch.de ([62.75.166.246]:39148 "EHLO vs166246.vserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751193AbYKYLGU (ORCPT ); Tue, 25 Nov 2008 06:06:20 -0500 From: Michael Buesch To: Yuval Hager Subject: Re: BCM4312 Fails when xdm is started Date: Tue, 25 Nov 2008 12:05:49 +0100 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) Cc: Larry Finger , LKML , wireless , bcm43xx-dev@lists.berlios.de References: <200811151801.02369.yuval@avramzon.net> <492AD249.3020309@lwfinger.net> <200811250745.22487.yuval@avramzon.net> In-Reply-To: <200811250745.22487.yuval@avramzon.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200811251205.49929.mb@bu3sch.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 25 November 2008 06:43:22 Yuval Hager wrote: > However, I have some few interesting findings. > First, this is totally unrelated to b43, but to the PCI. I get the flawed 1's > read from lspci even without loading b43. > > I played around with different video drivers and the results are: > * If using the 'via' driver, I lose the PCIe card immediately upon > initialization > * Using the 'openchrome' (trunk version), It works well in the beginning. > After first blanking the register reads are all 1's, and then when the screen > is blank I get a different read (some registers are correct, some are wrong), > and when the screen is unblanked, I get 0xff's again. Very consistent and > predictabe (same read every time). > * Using the 'vesa' driver I could not recreate the problem. I could not get > the screen to blank for some reason, but closing the lid, going on > standby/hibernate, restarting X - all didn't matter much to the PCI and the > wireless card kept on working. Ok, then you should report the stuff to the X guys. This is not a b43 problem and I also don't think it's a kernel problem. -- Greetings Michael.