[sane-devel] umax_pp works well with "port 0x378" bot not with "/dev/parport0"

[stef]

On Mon, Oct 13, 2003 at 03:46:11PM +0200, Sven Hergenhahn wrote:
> Hi List,
> 
> when trying to setup SANE for my Unax Astra 2000p, I experience the following 
> strange behaviour:
> 
> when setting 
> 
> port 0x378 
> 
> in umax_pp.conf, the scanner is properly detected and works fine (at least as 
> root), but setting it to
> 
> port /dev/parport0 (as suggested for Linux)
> 
> results in the following error:
> 
> gimli:~# scanimage -L
> [umax_pp_low] Found 0x18 expected 0x00  (umax_pp_low.c:5267)
> [umax_pp_low] Unexpected value for for register 0x0D, expected 0x00 or 0x40, 
> got 0x18 ! (umax_pp_low.c:5338)
> [umax_pp_low] RegisterRead, found 0xFF expected 0x00 (umax_pp_low.c:5429)
> [umax_pp_low] *** It appears that EPP data transfer doesn't work    ***
> [umax_pp_low] *** Please read SETTING EPP section in sane-umax_pp.5 ***
> ...
> 
> BIOS is set to EPP, all umax_pp tests work fine, only detecting doesn't work.
> 
> Permissions to /dev/parport0:
> 
> gimli:~# ls -la /dev/parport0
> crw-rw-rw-    1 root     lp        99,   0 Oct 13 12:18 /dev/parport0
> 
> Any ideas?
> 
> Thanks,
> Sven
> 

	Hello,

	which kind of hardware is it ? Also what does 'dmesg|grep parport' reports ?
It seems there is -to my opinion- some issue with ppdev on recent hardware. Also, it
maybe worth to rebuild your kernel accordingly to :
http://umax1220p.sourceforge.net/trouble.html

Regards,
	Stef