From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_sil24 / Alpha / 4726 PMP issue .. Date: Wed, 23 Jan 2008 15:18:44 +0900 Message-ID: <4796DC44.6010100@gmail.com> References: <4794459C.3090200@gmail.com> <47944913.6000603@gmail.com> <4794CB8B.1070600@gmail.com> <4795545E.5010908@gmail.com> <864c1e490801222034w32cd8799h3600fb902a3d97e6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.188]:22662 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751785AbYAWGSv (ORCPT ); Wed, 23 Jan 2008 01:18:51 -0500 Received: by rv-out-0910.google.com with SMTP id k20so2397556rvb.1 for ; Tue, 22 Jan 2008 22:18:50 -0800 (PST) In-Reply-To: <864c1e490801222034w32cd8799h3600fb902a3d97e6@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Thomas Evans Cc: IDE/ATA development list Hello, Thomas Evans wrote: > On 1/21/08, Tejun Heo wrote: >> Can you install linux on a x86 machine and see whether anything is >> different? > > Did that today - it mostly works. There is some sort of conflict with > the card on the PC I am using. During POST I sometimes get a "Plug > and Play configuration error" when the PMP array is plugged into a > port. > > If I leave it unplugged until I get to GRUB, I can boot and see the > drives and mount the array. This is the same card as I have been > using throughout. > > If I forget and get the "Plug and Play" error, disconnecting the > drives and resetting isn't enough, nor is power cycling *or* > unplugging the machine. I have to physically remove the card and > restart without it, power down and then re-insert it. I could only > plug the card into a 32bit slot, btw. So, except for BIOS weirdness, it works. > I have trouble believing that both alpha systems are somehow faulty > does it happen that BIOSs store away any information about PCI > devices? On x86, BIOS runs, on alpha, it doesn't. It could be that BIOS configures something. Can you please post the result of 'lspci -nnvvvxxx' of the sil24 controller on alpha and x86? -- tejun