cups 1.2 - no output

[Jan-Espen Pettersen]

Rainer Heesen wrote:
> the permissions of /dev/ulp* are:
>
> crw-rw----  1 root  cups        0, 169 Jul  3 20:35 /dev/ulpt0
> crw-rw----  1 root  cups        0, 170 Jul  3 20:35 /dev/unlpt0
>
> the directory /var/cache/cups is group writable
>
> when I start a print job I get the message 
>
> printer Minolta now printing Minolta-59.  enabled since Mon Jul  3 20:53:42 
> 2006
>         USB port busy; will retry in 30 seconds...
> Minolta-59              guest            18432   Mon Jul  3 20:53:42 2006
>
> however, there is now output of fstat | grep ulpt0
>
> 'fstat |grep cups' gives this output
>
> cups     usb         1657 root /             2 drwxr-xr-x     512  r
> cups     usb         1657   wd /             2 drwxr-xr-x     512  r
> cups     usb         1657 text /usr     7632315 -rwxr-xr-x   22297  r
> cups     usb         1657    0 /dev         21 crw-rw-rw-    null  r
> cups     usb         1657    1 /dev         21 crw-rw-rw-    null  w
> cups     usb         1657    2* pipe c5826d78 <-> c5826cc0      0 rw
> cups     usb         1657    3* pipe c5826580 <-> c58264c8      0 rw
> cups     usb         1657    4 /var       4022 -rw-r-----   18382  r
> root     cupsd       1652 root /             2 drwxr-xr-x     512  r
> root     cupsd       1652   wd /             2 drwxr-xr-x     512  r
> root     cupsd       1652 text /usr     6743296 -rwxr-xr-x  595608  r
> root     cupsd       1652    0* internet6 stream tcp c4eb0570
> root     cupsd       1652    1 /var       3206 -rw-r--r--  695444 rw
> root     cupsd       1652    2* internet stream tcp c4acfae0
> root     cupsd       1652    3* local stream c57a6c08
> root     cupsd       1652    4* internet dgram udp c48775a0
> root     cupsd       1652    5* pipe c5826198 <-> c5826250      0 rw
> root     cupsd       1652    6* pipe c5826250 <-> c5826198      0 rw
> root     cupsd       1652    7* internet6 stream tcp c49b8cb0
> root     cupsd       1652    8 /var       3069 -rw-r--r--  311933 rw
> root     cupsd       1652    9* internet6 stream tcp c4acf740
> root     cupsd       1652   11 /dev         21 crw-rw-rw-    null  r
> root     cupsd       1652   14* pipe c5826cc0 <-> c5826d78      0 rw
> root     cupsd       1652   16 /dev         21 crw-rw-rw-    null  r
>   
You could try 'echo test > /dev/ulpt0' to see if it is /dev/ulpt0 that
is failing with 'device busy'.
And if you stop cupsd, check that an eventual usb backend process also
exits. It'll usually show up with 'ps -ax | grep usb', or 'fstat | grep
cups'.

Also, if you send us your printers.conf, it would be easier to
understand the debug/error logs.


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