I have additional information that may be useful. I connected a Nikon
LS-2000 (also scsi) to the same scsi cable. I do not have the same
problem with the LS-2000.
Disabling calibration and gamma-table in avision.conf makes no difference.
I reproduce the error with the avision debug info. Maybe
I have a problem connecting a ScanJet 8290 by scsi.
The computer: AMD64 running Linux kernel version 2.6.15
Scsi card (lspci -v):
:00:0e.0 SCSI storage controller: Adaptec AHA-7850 (rev 03)
Subsystem: Adaptec AHA-2904/Integrated AIC-7850
Flags: bus master, medium devsel, laten