From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752307AbYKYHSf (ORCPT ); Tue, 25 Nov 2008 02:18:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751189AbYKYHSZ (ORCPT ); Tue, 25 Nov 2008 02:18:25 -0500 Received: from foo.birdnet.se ([213.88.146.6]:45490 "HELO foo.birdnet.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750910AbYKYHSY (ORCPT ); Tue, 25 Nov 2008 02:18:24 -0500 Message-ID: <20081125071818.9256.qmail@stuge.se> Date: Tue, 25 Nov 2008 08:18:18 +0100 From: Peter Stuge To: Yuval Hager Cc: Larry Finger , wireless , LKML , Michael Buesch , bcm43xx-dev@lists.berlios.de Subject: Re: BCM4312 Fails when xdm is started Mail-Followup-To: Yuval Hager , Larry Finger , wireless , LKML , Michael Buesch , bcm43xx-dev@lists.berlios.de References: <200811151801.02369.yuval@avramzon.net> <200811241155.47079.mb@bu3sch.de> <492AD249.3020309@lwfinger.net> <200811250745.22487.yuval@avramzon.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="lMM8JwqTlfDpEaS6" Content-Disposition: inline In-Reply-To: <200811250745.22487.yuval@avramzon.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --lMM8JwqTlfDpEaS6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Yuval Hager wrote: > I played around with different video drivers and the results are: > * If using the 'via' driver, I lose the PCIe card immediately upon=20 > 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. Good work! You have beyond any doubt established that the X graphics driver can cause this problem. Were you using a kernel framebuffer driver when you saw the problem also without running X at all? If not, the cause of trouble then is still unidentified. //Peter --lMM8JwqTlfDpEaS6 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFJK6a6hR3Q0dhIfEgRAuzFAJsE2hEB28Qq7hGhlGXnB3WDr2d5cwCgkn18 VaGfWMftljqwwjuAyDc/W/c= =Bd8Y -----END PGP SIGNATURE----- --lMM8JwqTlfDpEaS6--