From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422730AbVLONpr (ORCPT ); Thu, 15 Dec 2005 08:45:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422729AbVLONpr (ORCPT ); Thu, 15 Dec 2005 08:45:47 -0500 Received: from smtp-relay.dca.net ([216.158.48.66]:42453 "EHLO smtp-relay.dca.net") by vger.kernel.org with ESMTP id S1422728AbVLONpq (ORCPT ); Thu, 15 Dec 2005 08:45:46 -0500 Date: Thu, 15 Dec 2005 08:45:45 -0500 From: "Mark M. Hoffman" To: Benjamin Herrenschmidt Cc: LKML , Dave Airlie , Linus Torvalds Subject: Re: [BUG] Xserver startup locks system... git bisect results Message-ID: <20051215134545.GB12327@jupiter.solarsys.private> References: <20051215043212.GA4479@jupiter.solarsys.private> <1134622384.16880.26.camel@gaston> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1134622384.16880.26.camel@gaston> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Benjamin: * Benjamin Herrenschmidt [2005-12-15 15:53:03 +1100]: > On Wed, 2005-12-14 at 23:32 -0500, Mark M. Hoffman wrote: > > Hello: > > > > git bisect said: > > > 47807ce381acc34a7ffee2b42e35e96c0f322e52 is first bad commit > > > diff-tree 47807ce381acc34a7ffee2b42e35e96c0f322e52 (from 0e670506668a43e1355b8f10c33d081a676bd521) > > > Author: Dave Airlie > > > Date: Tue Dec 13 04:18:41 2005 +0000 > > > > > > [drm] fix radeon aperture issue > > > > With this one applied, my machine locks up tight just after starting the > > Xserver. Some info (dmesg, lspci, config) is here: > > > > http://members.dca.net/mhoffman/lkml-20051214/ > > > > I can put a serial console on it if necessary, but not until about this > > time tomorrow. > > You have to love this X radeon driver ... you can't fix one bug without > breaking something else, it's one of the worst piece of crap I've ever > seen... > > What would be useful now is the X version and maybe trying a little hack > in the X driver. Do you have ways to rebuild the X driver at all ? Check the link again for log & config. I have not built any part of X from source before. But if it's necessary, I will try it. > The problem is, that patch actually fixes some users... Ah, also, could > you maybe add some printk's around the code that is modified by that > patch and try to catch the value it tries to use before the lockup ? > > That is, print the values of: > > dev_priv->fb_location > > and > > RADEON_READ(RADEON_CONFIG_APER_SIZE) These suggestions, along with later ones that involve recompiles... I will try them late this evening (EST). Regards, -- Mark M. Hoffman mhoffman@lightlink.com