Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751099AbWISUFT (ORCPT ); Tue, 19 Sep 2006 16:05:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751101AbWISUFT (ORCPT ); Tue, 19 Sep 2006 16:05:19 -0400 Received: from e34.co.us.ibm.com ([32.97.110.152]:18398 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S1751099AbWISUFQ (ORCPT ); Tue, 19 Sep 2006 16:05:16 -0400 Message-ID: <45104D79.5030001@us.ibm.com> Date: Tue, 19 Sep 2006 13:05:13 -0700 From: "Darrick J. Wong" Reply-To: "Darrick J. Wong" Organization: IBM LTC User-Agent: Thunderbird 1.5.0.5 (X11/20060728) MIME-Version: 1.0 To: dougg@torque.net CC: linux-scsi@vger.kernel.org, Linux Kernel Mailing List Subject: Re: Multi-Initiator SAS References: <451041AA.4060702@us.ibm.com> <451048C4.2090706@torque.net> In-Reply-To: <451048C4.2090706@torque.net> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 966 Lines: 29 Douglas Gilbert wrote: > With the mptsas driver you can use smp_utils to look > at that expander via /dev/mptctl ('modprobe mptctl' first). > To get an overview of what the expander sees, try: > # smp_discover -mb /dev/mptctl Unfortunately, I see this: root@elm3a253:~# smp_discover -mb /dev/mptctl MPTCOMMAND ioctl failed: No such device ioctl failed smp_send_req failed, res=-1 ...a strace of the app reveals this: stat("/dev/mptctl", {st_mode=S_IFCHR|0660, st_rdev=makedev(10, 220), ...}) = 0 open("/dev/mptctl", O_RDWR) = 3 brk(0) = 0x508000 brk(0x529000) = 0x529000 ioctl(3, 0xc0486d14, 0x508010) = -1 ENODEV (No such device) --D - 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/