[sane-devel] lost with FUJITSU scanner M3096G

[abel deuring]

Frank Zago wrote:
> 
> > [fujitsu] set_window_param
> > [fujitsu] Window set
> > [fujitsu] 000: 00 00 01 2c 01 2c 00 00 00 00 00 00 00 00 00 00
> > [fujitsu] 016: 03 b0 00 00 05 89 00 00 00 02 08 00 00 00 00 00
> > [fujitsu] 032: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0
> > [fujitsu] 048: 20 00 00 00 00 84 00 00 00 00 00 00 00 00 00 00
> > [fujitsu]       5/38/0: Invalid field in parm list
> > [fujitsu] sanei_scsi_cmd: returning 0x00000004
> > [fujitsu] sane_start: ERROR: failed to set window
> 
> The scanner rejected the window parameter. If the scsi implementation is decent,
> the sense might contain the offset of the offending byte somewhere around byte
> 16 oy 17. To get that, at the beginning of scsi_sense_handler, add this line:
> 
>    hexdump (MSG_IO, "Sense", sensed_data, sensed_data[7]+8);

Frank,

you're right, the sense bytes 16 and 17 should point to the offending
byte, but unfortunately the Linux SCSI system returns only the first 16
bytes of a SCSI command.

But it might help to issue a REQUEST SENSE manually after the failing
SET WINDOW and print the result of this command. 

Abel