Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761156AbYFCUsu (ORCPT ); Tue, 3 Jun 2008 16:48:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754440AbYFCUqC (ORCPT ); Tue, 3 Jun 2008 16:46:02 -0400 Received: from fk-out-0910.google.com ([209.85.128.186]:58232 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760557AbYFCUp7 (ORCPT ); Tue, 3 Jun 2008 16:45:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=lzLcbVhLU2QR/GB8rP8UwgvpXN+1X/DWGKiZtq+7pcSmR3rBzVjrstuRLGdq+Ews699CVyCTdUXpLrzYuLN7gRcZl60pso+KTB9q0FsZ07zjJ9r/c09QjvLiO07OsjaYO8miJzooKLrSH9xq+S/FLXXhh6Eb6Jd5ezTe88GuYSg= Message-ID: <21d7e9970806031345u4e7838fdp60bbedadd65b5f2a@mail.gmail.com> Date: Wed, 4 Jun 2008 06:45:57 +1000 From: "Dave Airlie" To: "Mikael Pettersson" Subject: Re: [BUG] 2.6.26-rc1 broke X on SPARC Ultra5 Cc: "David Miller" , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <18501.39659.952880.727014@alkaid.it.uu.se> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <18500.62552.958244.633204@harpo.it.uu.se> <20080603.062253.17158135.davem@davemloft.net> <18501.39659.952880.727014@alkaid.it.uu.se> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1541 Lines: 36 > > > > > 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. > Wow thats a major userspace regression to ship, we'd never get away with doing that on x86 platforms. Dave. -- 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/