Date: Thu, 14 Mar 1996 02:16:36 +1100 (EDT) From: Darren Reed <avalon@coombs.anu.edu.au> To: msmith@atrad.adelaide.edu.au (Michael Smith) Cc: freebsd-questions@freebsd.org Subject: Re: DDS DAT Drive and 2.1.0-R ? Message-ID: <199603131514.HAA02964@freefall.freebsd.org> In-Reply-To: <199603131432.BAA03121@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Mar 14, 96 01:02:05 am
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In some mail from Michael Smith, sie said: > > Darren Reed stands accused of saying: [...] > Your settings are fine. You're looking at either a driver bug/shortcoming > or hardware limitation. Hmmm. Well, in testing, "dd if=foo of=/dev/nrst0 bs=16k" seems to work fine, but after that, no. I can't seem to make dump use small blocks, I suspect, or it does other werid stuff. > > Mar 14 00:38:56 freebsd /kernel.scsi: data length underflow > > Mar 14 00:38:56 freebsd /kernel.scsi: nca0/4/0 data length underflow > > Mar 14 00:38:56 freebsd last message repeated 130 times > > Mar 14 00:40:42 freebsd /kernel.scsi: nca0/4/0 (st0) timed out > > What does the driver mean? Have you looked at the source? I don't understand why it would occur, ie I'm not a scsi driver expert. > > Also, when I tried a kernel config with the following, st0 didn't work: > > > > controller scbus0 at nca0 > > disk sd? at scbus? target ? > > disk sd? at scbus? target ? > > tape st? at scbus? target ? > > device cd? at scbus? target ? > > That's because the systax is all wrong? Whay makes you think that's the > way to do it? Look at GENERIC : > > controller scbus0 > device sd0 > device od0 > device st0 > device cd0 Ahh, I assumed the wild carding worked differently. thanks, darren
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