Date: Mon, 17 Mar 1997 17:51:50 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Tomi Vainio <tomppa@fidata.fi> Cc: FreeBSD Questions <questions@FreeBSD.ORG> Subject: Re: Ghost SCSI device Message-ID: <Pine.BSI.3.94.970317175016.1111V-100000@localhost> In-Reply-To: <199703160108.DAA07042@zeta.fidata.fi>
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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
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