Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755714AbYFCT1K (ORCPT ); Tue, 3 Jun 2008 15:27:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753128AbYFCT0z (ORCPT ); Tue, 3 Jun 2008 15:26:55 -0400 Received: from aun.it.uu.se ([130.238.12.36]:61176 "EHLO aun.it.uu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752844AbYFCT0y (ORCPT ); Tue, 3 Jun 2008 15:26:54 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18501.39659.952880.727014@alkaid.it.uu.se> Date: Tue, 3 Jun 2008 21:26:35 +0200 From: Mikael Pettersson To: David Miller Cc: mikpe@it.uu.se, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5 In-Reply-To: <20080603.062253.17158135.davem@davemloft.net> References: <18500.62552.958244.633204@harpo.it.uu.se> <20080603.062253.17158135.davem@davemloft.net> X-Mailer: VM 7.17 under Emacs 20.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1500 Lines: 35 David Miller writes: > From: Mikael Pettersson > Date: Tue, 3 Jun 2008 09:35:52 +0200 > > > Fatal server error: > > xf86MapPciMem: Could not mmap PCI memory [base=0xe2000000,hostbase=0xe2000000,size=2000] (No such file or directory) > > > > I'll start digging through 2.6.25->2.6.26-rc1 later today, > > meanwhile I've put Xorg.0.log, Xorg strace, dmesg, and .config > > files for 2.6.25 (working) and 2.6.26-rc4 (failing) in > > . > > It's likely this change below. Unfortunately older versions of X > seemingly cannot cope with a lack of PCI host controller in the PCI > hierarchy exported by the kernel. > > That's really a bug in X, current libpciaccess based X servers work > fine, and the bug fixed by this changeset is not solvable in any other > reasonable way. So unfortunately older X verions will stay not > working. Sorry. > > commit c26d3c0138970778fabe114df99dffb34a04b1d7 > Author: David S. Miller > Date: Thu May 1 01:12:40 2008 -0700 Confirmed. Reverting this patch from 2.6.26-rc1 made my Xorg-7.1.1 work again. It's a shame though that a bug fix needs to have such draconian consequences. /Mikael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/