https://bugzilla.novell.com/show_bug.cgi?id=470959
User jsmeix@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=470959#c7
--- Comment #7 from Johannes Meixner 2009-02-03 03:21:15 MST ---
Currently I have no idea what the root cause might have been.
Only some guesses:
"old printers.conf"?
You do re-start the cupsd each time after you
manually changed any of its config files?
Compare
http://en.opensuse.org/SDB:CUPS_in_a_Nutshell
------------------------------------------------------------------------
General information on the command-line tools:
..
Do not edit the configuration files in /etc/cups/ manually
if suitable command-line tools are available for this purpose.
Reason:
The configuration files are not reloaded for every print job.
Rather, cupsd keeps much of the information in the main memory
and writes information back to the configuration files whenever
needed.
..
Never copy configuration files from other systems to your system
unless you know exactly what you are doing.
------------------------------------------------------------------------
A guess regarding HPLIP:
Whenever you launch a desktop system (KDE or Gnome)
/etc/xdg/autostart/hplip-systray.desktop
starts /usr/bin/hp-systray which runs daemon-like
in the background and perhaps this tool had some
old/outdated data so that scanner access failed for you?
Run
ps auxw | egrep 'hp|python'
to see hp-systray processes.
Since HPLIP 2.8.4 the system daemon hpssd has been replaced
with hp-systray that loads as a user startup item in the
system tray in each user's desktop environment.
Another guess regarding HPLIP:
When you run in a non-POSIX and non-UTF8 locale,
HPLIP fails to "see" its hp:/... CUPS queues.
To see this, have a non-POSIX and non-UTF8 locale e.g. via
export LANG=en_GB.iso885915; export LC_ALL=en_GB.iso885915
and then run "hp-toolbox".
Perhaps the root cause was whatever locale issue?
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