From owner-freebsd-questions Mon Mar 17 17:52:10 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id RAA23039 for questions-outgoing; Mon, 17 Mar 1997 17:52:10 -0800 (PST) Received: from gdi.uoregon.edu (gdi.uoregon.edu [128.223.170.30]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id RAA23033 for ; Mon, 17 Mar 1997 17:52:08 -0800 (PST) Received: from localhost (dwhite@localhost) by gdi.uoregon.edu (8.8.5/8.6.12) with SMTP id RAA01247; Mon, 17 Mar 1997 17:51:50 -0800 (PST) Date: Mon, 17 Mar 1997 17:51:50 -0800 (PST) From: Doug White X-Sender: dwhite@localhost Reply-To: Doug White To: Tomi Vainio cc: FreeBSD Questions Subject: Re: Ghost SCSI device In-Reply-To: <199703160108.DAA07042@zeta.fidata.fi> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Sun, 16 Mar 1997, Tomi Vainio wrote: > I upgraded from Adaptec 2940 to 2940UW couple months ago. Since then > ahc driver have found "ghost" device on SCSI id 9. Last friday I > cvsupped 2.2-gamma and ghost device is still there. System have worked > steadily without any problems but it would nice to know what is > causing this behavior. I suspect this is a hidden termination problem. Make sure your SCSI bus termination follows the rules laid out in your SCSI adapter's manual. In the meantime, it should be harmless. You might check the EZ-SCSI setup and see if that sees something there. > probe0(ahc0:9:0): scsi_cmd > probe0(ahc0:9:0): scsi_done > (ahc0:9:0): command: 0,0,0,0,0,0-[0 bytes] > probe0(ahc0:9:0): scsi_cmd > probe0(ahc0:9:0): scsi_done > (ahc0:9:0): command: 40,0,0,3,0,0,0,0,0,0-[0 bytes] > probe0(ahc0:9:0): scsi_cmd > probe0(ahc0:9:0): scsi_done > (ahc0:9:0): command: 12,0,0,0,2c,0-[44 bytes] > ------------------------------ > 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 016: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 032: 00 00 00 00 00 00 00 00 00 00 00 00 > ------------------------------ Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major