From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Port Multiplier Support for sata_sil24 Date: Sat, 20 Oct 2007 08:56:40 +0900 Message-ID: <47194438.5000601@gmail.com> References: <200710191934.38349.greg@gkmweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.189]:34305 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763347AbXJSX4p (ORCPT ); Fri, 19 Oct 2007 19:56:45 -0400 Received: by rv-out-0910.google.com with SMTP id k20so598653rvb for ; Fri, 19 Oct 2007 16:56:44 -0700 (PDT) In-Reply-To: <200710191934.38349.greg@gkmweb.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Greg Meyer Cc: linux-ide@vger.kernel.org Greg Meyer wrote: > Hi. I was very excited to see port multiplier support for the sata_sil24 > module in your patchset, but it does not appear to be working here, and I am > not sure if I am doing something wrong or if it still is not supported. I am > working on a project to get a RAID enclosure that came with a Silicon Image > eSATA controller with a port multiplier. It is a MicroNet SR42000E. > > We are using Ubuntu Gutsy 7.10 (upgraded to release version), with a > self-compiled 2.6.23.1 kernel, patched with libata-tj-2.6.23-20071011. I > don't recall any special compile time options during the config, and modinfo > doesn't display anything that looks like a runtime option. > > Interestingly, the device nodes are created for the 4 separate disks (which is > what we want), but no disk partitioning utility, like fdisk, cfdisk or > qparted can open the devices. sata_sil24 is loaded. Log looks fine. What do "fdisk -l" and "ls -l /dev/sd*" say? -- tejun