Date: Tue, 18 Nov 1997 14:04:34 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Neil Ludban <n-ludban@onu.edu> Cc: Tobias Richter <trichter@ipk.fhg.de>, freebsd-questions@FreeBSD.ORG Subject: Re: ahc: ILLEGAL REQUEST asc:24,0 Message-ID: <Pine.BSF.3.96.971118135834.1839C-100000@gdi.uoregon.edu> In-Reply-To: <Pine.A32.3.96.971118141857.20472B-100000@austin.onu.edu>
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On Tue, 18 Nov 1997, Neil Ludban wrote: > I'm seeing the same error with a ZIP drive on an NCR controller. I think > I've figured out how to use the Zip drive, but the problem persists. Even > when booting with a UFS formatted disk in the drive, there are still error > messages. The drive can be mounted and works quite well (I copied all the > FreeBSD distribution that would fit from scsi hard disk to zip). I had a Zip hanging off my NCR53c815 controller for all of summer and it never had a single complaint. > >From 2.2.5 (with options SCSI_NCR_MAX_SYNC=10000 to slow things down > (external cable to the Zip is too long for fast 20)): The Zip isn't a Fast SCSI device anyway. it's barely SCSI 2. > ncr0 <ncr 53c875j fast20 wide scsi> rev 4 int a irq 11 on pci0:12 > ncr0 waiting for scsi devices to settle > (ncr0:0:0): "QUANTUM FIREBALL ST4.3S 0F0C" type 0 fixed SCSI 2 > sd0(ncr0:0:0): Direct-Access > sd0(ncr0:0:0): 10.0 MB/s (100 ns, offset 15) > 4136MB (8471232 512 byte sectors) > sd0(ncr0:0:0): with 7068 cyls, 6 heads, and an average 199 sectors/track > (ncr0:6:0): "IOMEGA ZIP 100 J.02" type 0 removable SCSI 2 > sd1(ncr0:6:0): Direct-Access > sd1(ncr0:6:0): ILLEGAL REQUEST asc:24,0 Invalid field in CDB > sd1 could not mode sense (4). Using ficticious geometry > 96MB (196608 512 byte sectors) > sd1(ncr0:6:0): with 96 cyls, 64 heads, and an average 32 sectors/track That's not a bug, that's what it's supposed to do. The Zip (and the Jaz too for that matter) doesn't implement MODE SENSE so it returns the error. Note that the disk size is correct. Check my disk formatting page at http://www.freebsd.org/tutorials/diskformat/ for how to properly format these for UFS. 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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