From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751724AbXDTX3e (ORCPT ); Fri, 20 Apr 2007 19:29:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751908AbXDTX3e (ORCPT ); Fri, 20 Apr 2007 19:29:34 -0400 Received: from canuck.infradead.org ([209.217.80.40]:35008 "EHLO canuck.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751724AbXDTX3d (ORCPT ); Fri, 20 Apr 2007 19:29:33 -0400 Date: Fri, 20 Apr 2007 16:25:22 -0700 From: Greg KH To: Dave Jones , "Preston A. Elder" , linux-kernel@vger.kernel.org Subject: Re: AGPGart / AMD K7 Message-ID: <20070420232522.GA10949@kroah.com> References: <46286775.5000507@goth.net> <20070420155537.GA20118@redhat.com> <4628F00B.3010304@goth.net> <20070420173337.GD20118@redhat.com> <462900BD.8020204@goth.net> <20070420182029.GF20118@redhat.com> <462906E5.8060609@goth.net> <20070420184956.GD13939@redhat.com> <462920EE.2020202@goth.net> <20070420203342.GA622@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070420203342.GA622@redhat.com> User-Agent: Mutt/1.5.15 (2007-04-06) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 20, 2007 at 04:33:42PM -0400, Dave Jones wrote: > On Fri, Apr 20, 2007 at 04:22:06PM -0400, Preston A. Elder wrote: > > Dave, Greg, > > > > Here is the trace with 2.6.20.6 > > > > I added back in my trace code, as you see. As you can also see, > > agp_amdk7_probe is still not called. > > Try looking down in __driver_attach() > The fact that we're not calling the ->probe function is quite bizarre. > > It could be this in __driver_attach > > if (!dev->driver) > driver_probe_device(drv, dev); > > Though that'd be odd. > > Putting a #define DEBUG 1 in drivers/base/dd.c may also yield some clues. Setting CONFIG_DEBUG_DRIVER automatically enables this also and might provide some more hints. thanks, greg k-h