CUPS fails to reccognize parallel port - AGAIN!

[Helge Blischke]

Charles Howse wrote:
>>Charles Howse wrote:
>>
>>
>>>I finally have printing working.
>>>The necessary permissions for /dev/lpt0 are 0666.
>>
>>Be careful: 0666 allows all users on your system full access to your
>>parallel port.
>>Permission 0660 and the setting of "Group wheel" in cupsd.conf should also
>>do the work.
> 
> 
> I am the only user on the network, so that is not an issue.
> 
> 
>>>Also just now got browsing working:
>>>
>>># Show shared printers on the local network.
>>>Browsing On
>>>BrowseAddress 192.168.254.255:631
>>>BrowseOrder allow,deny
>>>BrowseAllow from all
>>>
>>>Case closed, many, many thanks to all!
>>
>>You're welcome.
>>
>>Only a last question:
>>
>>BrowseAddress @LOCAL doesn't work for your system?
>>Can you post the output of "ipconfig"?
> 
> 
> I'll try @LOCAL later.
> 
> I spoke too soon...
> Printing a test page from the web interface works fine, and the printer is on my browse list on the Mac, but printing from the Mac doesn't work.
> 
> I've tried printing plain text, pdf, and MS Word for Mac files.
> All fail with "/usr/local/libexec/cups/filter/foomatic-rip failed" displayed on the printer page of the web interface,
> 
> A single sheet of paper is ejected from the printer, with this:
> Error: /undefined in Produced
>                              Operand stack:
>                                            Execution stack:
>                                                               %interp_exit     .ru
> (Note the stair-step effect)
> 
> The error log is here: http://bubbabbq.homeunix.net/error_log
> 
> 

As for the permissions of your parallel port device file, if you remove the world-executable bit
from the parallel backend's permissions, it will be run as root by the scheduler and thus
have full access to the parallel port.

Helge


-- 
Helge Blischke
Softwareentwicklung
SRZ Berlin | Firmengruppe besscom
http://www.srz.de