From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262064AbTKIDAZ (ORCPT ); Sat, 8 Nov 2003 22:00:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262114AbTKIDAZ (ORCPT ); Sat, 8 Nov 2003 22:00:25 -0500 Received: from mel1.uecomm.net.au ([203.94.129.130]:13481 "EHLO mel1.unite.net.au") by vger.kernel.org with ESMTP id S262064AbTKIDAX (ORCPT ); Sat, 8 Nov 2003 22:00:23 -0500 Subject: Re: Re:No backlight control on PowerBook G4 From: Benjamin Herrenschmidt Reply-To: benh@kernel.crashing.org To: Daniel Egger Cc: Dustin Lang , Linux Kernel list In-Reply-To: <1068198639.796.109.camel@sonja> References: <1067820334.692.38.camel@gaston> <1067878624.7695.15.camel@sonja> <1067896476.692.36.camel@gaston> <1067976347.945.4.camel@sonja> <1068078504.692.175.camel@gaston> <1068198639.796.109.camel@sonja> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1068346792.673.25.camel@gaston> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Sun, 09 Nov 2003 13:59:53 +1100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2003-11-07 at 20:50, Daniel Egger wrote: > Am Don, den 06.11.2003 schrieb Benjamin Herrenschmidt um 01:28: > > > No, I told you to use _my_ 2.6 tree which contains a new radeonfb > > that have not yet been merged upstream. > > Still cannot try this because your kernel wouldn't even survive yaboot. Can you give details ? It should work just fine, except if I broke something in the past few days when getting G5 support in, but I didn't have any other report of this, so... > With your tree I now have the problem that it doesn't even boot anymore. > The CHRP kernel which worked before stopped after "CHRP kernel > loader...", the elf-pmac one still crashes with: > Elf32 kernel loaded... > chrpboot starting: loaded at 0x01000000 > heap at 0x00003000 > gunzipping (0x00010000 <- 0x01006cf8:0x01155486)... > Decrementer exception at %SRR0: 01005804 %SRR1: 00003030 > ok > 0 > Well, you are not supposed to use the zImage.chrp on a PowerMac, and definitely not from yaboot. It may have altered some open firmware settings in a bad way. I suggest you reset your nvram first (hopefully, booting with cmd-opt-P-R will do the trick). Last I tried, then just netbooting vmlinux.elf-pmac worked fine on all the "newworld" models I have here). For yaboot, you need to load a plain vmlinux binary. Ben.