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From: mike@lutefisk.uoregon.edu (mike hoffman)
Newsgroups: comp.os.386bsd.questions
Subject: AHA-1540A --> PERTEC tape drive
Date: 11 Aug 1994 00:09:39 GMT
Organization: none
Lines: 50
Distribution: na
Message-ID: <32bq83$bt1@pith.uoregon.edu>
NNTP-Posting-Host: lutefisk.uoregon.edu
>I have have not been able to read and/or write to my 1/2 tapedrive
>using FreeBSD 1.1.5.1R. . The board, converter and tapedrive
>worked fine under 386BSD so I think the 'problem' lies in the
>new operating system (drivers?).
> Viper 60 Cart tape ( works OK)
> NCR ADP-53 SCSI to PERTEC tape controller --> CIPHER F880 1/2 tape
>I have configured the kernel with st0 for cart, and st1 for 1/2 inch
>
>When booting the devices are found, both st0 and st1.
>aha0 targ 1 lun 0: <unknownunknown????>
>st1: such and old device is a known rogue
>st1: density code 0x2, 512-byte blocks, write-protected
>(The tape in the drive has no write ring in it so the 'write protected' is
>correct. 0x2 converts to 1600bpi , also correct)
ah well, you see there is already a quirk entry for old devices, and maybe
it should be extended to disable whatever configuration command is failing..
(much better idea than to make a new one? I don't know.. your call.)
>
>Aug 6 16:04:49 scrooge /386bsd: st1(aha0:1:0): timed out
>st1(aha0:1:0): not ready
>st1: Cannot set selected mode Present Mode: Density = 0x2, Blocksize = 512
looks like teh default mode will do just fine, so maybe we can
just disable the mode setting command....
>Mail address mike@scrooge.uoregon.edu
julian
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v
THe above severely edited:
Question: How do you disable the mode setting command.
Everything falls apart in st.c when it reaches st_mode_select().
I have run out of reasonable things to try |-(