[3762] in linux-scsi channel archive
generic scsi driver problem
daemon@ATHENA.MIT.EDU (Simon Burley)
Fri Apr 24 18:49:18 1998
Date: Fri, 24 Apr 1998 18:33:26 -0700
From: Simon Burley <simon@colxcol.co.uk>
To: linux-scsi@vger.rutgers.edu
I'm writing a driver for a film recorder (a printer to the scsi bus). I
can send simple format commands with no problems and the recorder
responds fine. I have a problem sending images to the device. I send a
print command, the recorder responds by opening its shutter, and then I
send just one scanline as a packet (2048 bytes/pixels). Now the recorder
receives just the one scanline over and over until it has imaged a whole
frame, and then barfs and sends back an error to the linux box with empty
sense codes. Then I get a locked scsi bus and recorder.
The recorder is on a WD7000 (ISA) card. My disks are on a seperate bus,
so I can reboot without cycling power. I'm using the handle_SCSI_cmd from
the Programming-SCSI-HOWTO. Im sure that the fault is with the generic
scsi driver. Any ideas?
Simon
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