From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764576AbYDVOWd (ORCPT ); Tue, 22 Apr 2008 10:22:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755284AbYDVOWX (ORCPT ); Tue, 22 Apr 2008 10:22:23 -0400 Received: from ausc60ps301.us.dell.com ([143.166.148.206]:11400 "EHLO ausc60ps301.us.dell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751884AbYDVOWW (ORCPT ); Tue, 22 Apr 2008 10:22:22 -0400 X-IronPort-AV: E=Sophos;i="4.25,694,1199685600"; d="scan'208";a="582498329" Date: Tue, 22 Apr 2008 09:21:03 -0500 From: Matt Domsch To: Andrew Morton Cc: werner , linux-kernel@vger.kernel.org, Tim Gardner Subject: Re: EDD problem -- regression -- crash on booting by probing EDD Message-ID: <20080422142103.GA5652@auslistsprd01.us.dell.com> References: <1208730812.6879@copaya.yi.org> <20080422062840.195b4d3d.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080422062840.195b4d3d.akpm@linux-foundation.org> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 22, 2008 at 06:28:40AM -0700, Andrew Morton wrote: > > On Sun, 20 Apr 2008 19:33:32 -0300 (GFT) "werner" wrote: > > There is a regression in 2.6.25. > > Rafael bcc'ed. > > > Booting stops with: Probing EDD (edd=off to disable) message. > > > > It dont work the kernel boot parameter edd=off . With pci=off the computer continues to boot, but later it dont find hard disks etc. > > Tim and Matt cc'ed. > > > Thats happening on 2.6.25 definitive, but was verified to go back until 2.6.24-rc6-git8, but it wasnt yet at 2.6.24-rc6-git2 which worked correctly. > > > > hm, that's a nice narrow window. Unfortunately for the next few days I > can't personally get in and find out what we changed during it. I've scanned the diff between these, and can't see anything that would obviously cause a problem. Nothing that touches the EDD codepath directly at least. I'll be curious to see the additional initcall debug data. -- Matt Domsch Linux Technology Strategist, Dell Office of the CTO linux.dell.com & www.dell.com/linux