Re: HP 4P problems

Petri Lehtonen (onaias@iki.fi)
Fri, 19 Sep 1997 20:16:00 +0300 (EET DST)

>> >Is your link /dev/scanner to /dev/sg? correct set ?
>>
>> Yes, and I've even tried to use all the /dev/sg* because I was desperate.
>
>Really, the "scsi_open: no such device or address" means otherwise.

Actually now that I double checked it was linked from as the ID of the scanner
is 5 the device is /dev/sgf. But using that device gives me still the same
error.

Could the device files have incorrect major number, mine is as follows.

crw-rw---- 1 root scanner 21, 5 Feb 12 1996 /dev/sgf

SCSI-HOWTO says that generic SCSI devices have major number 21. I am not sure if
scanners are generic SCSI devices, as I couldn't find anything on them from the
SCSI-HOWTO.

Now I noticed running scanimage on virtual terminal that there was a message say
ing:

Detected scsi general sga at scsi0, channel 0, id 5, lun 0

This didn't show up when I run it on xterm, and still doesn't. I wonder why it
says sga and id5 shouldn't sga be id 0 and id5 be sgf. This seems strange to me.

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