is CUPS 1.4.4-7 non-deterministic or error prone?

[E. Gerlach]

Am 27.11.2011 22:23, schrieb E. Gerlach:
> Hi,
> 
> CUPS 1.4.4-7 (debian squeeze) was running fine for 2 weeks. Suddenly
> after some changes of ppd files CUPS claimed to accept jobs from a suse
> machine:
> 
> suse111:~ # lp -h cups -d hl5270 -o media=Tray1  /tmp/david.ps
> lp: format „application/postscript“ not supported
> (translated from german: lp: Format „application/postscript“ nicht
> unterstützt!)
CUPS server claims:
I [27/Nov/2011:17:30:27 +0000] [Job ???] Request file type is
application/postscript.
E [27/Nov/2011:17:30:27 +0000] Returning IPP
client-error-document-format-not-supported for Print-Job
(ipp://localhost/printers/hl5270) from 192.168.0.100
I [27/Nov/2011:17:34:40 +0000] [Job ???] Request file type is
application/postscript.

> I'm printing from SuSE11.1, queues inserted in printers.conf manually,
> no PPD files in ppd-directory.
> 
> Two printers hl5270 and hl5270li with the same error. I stopped and
> restartet the debian print server, I rebootet. Nothing helped. I
> searched for hours! error.log displayed the unknown format error.
> 
> I saved /etc/cups/printers.conf , /etc/cups/cupsd.conf and
> /etc/cups/ppd/*. I've never edited other CUPS-files in my life. I purged
> cups and I re-installed. I played back the two files an the PPDs  - and
> all worked fine!! CUPS - non-deterministic or error prone?
> 
> BTW: CUPS did NOT work properly after play back of files, one execption:
> printing to hl5270li worked but not printing to hl5270! Same error:
> „application/postscript“ not supported. I exchanged the new and directly
> from Brother downloaded PPD file for HL-5270, I took the 3 years old PPD
> file for HL-5270 from Brother. And it worked! Printing was possible.
> After a hour I played back the other PPD-file and and this PPD works
> again, no error. Is CUPS 1.4.4-7  non-deterministic or error prone?
> 
> Ekkard