From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758646AbYC0I0q (ORCPT ); Thu, 27 Mar 2008 04:26:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755449AbYC0I0g (ORCPT ); Thu, 27 Mar 2008 04:26:36 -0400 Received: from zone0.gcu-squad.org ([212.85.147.21]:20799 "EHLO services.gcu-squad.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756007AbYC0I0f (ORCPT ); Thu, 27 Mar 2008 04:26:35 -0400 Date: Thu, 27 Mar 2008 09:26:17 +0100 From: Jean Delvare To: Trent Piepho Cc: Ken Moffat , Dave Airlie , I2C , lkml Subject: Re: Regression (gdm no longer shuts down) - 2.4.24.x and 2.6.25 Message-ID: <20080327092617.2ab088ff@hyperion.delvare> In-Reply-To: References: <20080325200714.GA25487@deepthought> <20080326161934.7eae544f@hyperion.delvare> <20080326173701.GA16882@deepthought> <20080326201031.7c2cefb2@hyperion.delvare> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.10.6; x86_64-suse-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 26 Mar 2008 18:35:10 -0700 (PDT), Trent Piepho wrote: > On Wed, 26 Mar 2008, Jean Delvare wrote: > > Totally unrelated, but FYI: the chip at 0x50 is an EDID EEPROM in your > > display (which the radeonfb driver can use to switch to the correct > > resolution / refresh rate.) > [...] > > any of these chips. So, the mysterious effect of unloading the > > i2c-viapro driver can't be explained by an i2c chip driver detaching > > from its device. So, again, I really can't see how i2c can be involved > > in your problem. > > Maybe the radeonfb driver is trying to talk to EDID EEPROMs on all I2C > adapters it finds? When it tries to using the i2c-viapro adapter, it > hangs. No, the radeonfb driver only probes for EEPROMs on (at most) its 4 own I2C buses. It doesn't even know about the other I2C buses on the system. Note that I am using radeonfb and i2c-viapro myself, so if there was a conflict between both drivers, I think would know by now. I've not experienced the problem reported by Ken. But I don't use gdm. Note that I am using the X.org radeon driver. Ken did not tell which X driver he was using, maybe it matters. -- Jean Delvare