From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: booting from MD raid using libata Date: Thu, 16 Aug 2007 21:04:46 +0900 Message-ID: <46C43D5E.8000403@gmail.com> References: <46C2FA67.5060005@gac.edu> <46C42D65.9030607@gmail.com> <46C43B4A.4000308@gustavus.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.183]:8351 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752313AbXHPMEx (ORCPT ); Thu, 16 Aug 2007 08:04:53 -0400 Received: by wa-out-1112.google.com with SMTP id v27so258388wah for ; Thu, 16 Aug 2007 05:04:53 -0700 (PDT) In-Reply-To: <46C43B4A.4000308@gustavus.edu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: sommere Cc: Ethan Sommer , linux-ide@vger.kernel.org sommere wrote: > Tejun Heo wrote: >> Ethan Sommer wrote: >> >>> I've been trying to diagnose a problem we've been having for a few days >>> and I think I've found the problem. (I'm hoping you might have the >>> solution.) >>> >>> I have a system which has a intel 965 MB and a couple SIL based SATA >>> cards one of which is hooked up to a few PMPs. >>> >>> If I try to boot the system normally after installing the libata-tj >>> patch, it can't find the root partition because MD can't find any raid >>> devices because the kernel hasn't detected the SATA partitions yet. >>> >> >> Do you load sd before or after md? >> >> > How would I affect that? > > I've since tried installing linux without using raid for the system > disks, and it still doesn't detect the partitions for the sata drives > before trying to mount the root partition when using the libata-tj patch > against 2.6.22.1 Are libata, sd and md modules? If you don't know what's going on, just build all needed drivers into the kernel. -- tejun