Date: Thu, 2 Nov 1995 04:57:45 -0800 (PST) From: Julian Elischer <julian@ref.tfs.com> To: dufault@hda.com (Peter Dufault) Cc: msmith@atrad.adelaide.edu.au, phil@zipmail.co.uk, hackers@freebsd.org, hardware@freebsd.org Subject: Re: [Fwd: Help, my sanity is gradually slipping awaaaayyy. was Re: Problem With Fujitsu SCSI Drive (Messages and Test Results)] Message-ID: <199511021257.EAA25056@ref.tfs.com> In-Reply-To: <199511021131.GAA25770@hda.com> from "Peter Dufault" at Nov 2, 95 06:31:03 am
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I already suggested the same, but have heard nothing.. > > > > > Jordan K. Hubbard stands accused of saying: > > > > Check your cables and termination! > > It's possible you have one of the over-enthusiastic 1542's; also bring all > > of the jumper-selectable timings back to the slowest possible settings. > > The over-enthusiastic 1542's were early 1542Cs. I think they > slowed down the REQ/ACK edges. They claim they are within spec > and with proper impedance cables you won't have problems even > with one of these aggressive boards. Cable issues, though, will > typically lead to parity problems, hung SCSI busses, complaints > of unexpected bus phases etc. and not > reproducible hardware failures on one of the targets. > > > > >sd0(aha0:0:0): HARDWARE FAILURE asc: 44,a2, FAILURE > > > >sd0(aha0:0:0): HARDWARE FAILURE asc: 44,a2, Retries = x > > > >sd0(aha0:0:0): HARDWARE FAILURE info: 2d18 asc 15,1 Mechanical > > > >positioning error sks(80,f) > > > >sd0(aha0:0:0): HARDWARE FAILURE info: 1d70 asc 15,1 Mechanical > > > >positioning error sks(80,f) > > > >vm_page : pager input (probably hardware) error, PID 11 failure > > > > If you get this consistently, I would still be suspicious of the drive. > > If it _is_ a translation error, there's a bug in the drive firmware if > > it's accepting a request to process a block outside the size of the drive 8) > > Can you boot FreeBSD without the SCSI drive and then exercise the > SCSI system through the raw device? That should make things a lot > clearer if it still fails. Try various block sizes up to 64k. > > (...) > > -- > > Peter Dufault Real Time Machine Control and Simulation > HD Associates, Inc. Voice: 508 433 6936 > dufault@hda.com Fax: 508 433 5267 >
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