Me too: "Kprinter has stopped working - Unable to startchildprintprocess "
Kurt Pfeifle
k1pfeifle at gmx.net
Tue Feb 6 15:09:41 CET 2007
On Tuesday 06 February 2007 11:50, Kurt Pfeifle wrote:
> On Tuesday 06 February 2007 10:47, Andrew Myers wrote:
> > Hi Kurt:
> >
> > Did you manage to solve this problem or, if not, have you devised a work
> > around to print stuff from kde?
>
> Sorry, no, not yet. I'll return later this afternoon to the machine
> in question; I'll still have to see what the result is of the last
> test Michael had suggested to run.
OK, I was able to run a (very short test).
1. created a new (non-root) user; this user can print with kprinter
without any problem
2. the user that had problems with KDEPrint still can't print; same
problems as before. In addition, this user now does not even see
kdeprintd listed any more underneath "kded" when he runs "kdcop"
(the GUI to dcop) -- and the command "dcop kded kdeprintd" now
does return:
"object 'kdeprintd' in application 'kded' not accessible"
Strange.
I've no idea what's going on. But later I'll move away ${HOME}/.kde
for the user with the problem and let him start a virgin KDE session
(previously I had already tried that with the two files kdeprintrc &
kprinterrc in ${HOME}/.kde/share/config/ on their own, but that did
not help...).
But I can't do that right now, sorry.
Cheers,
Kurt
> > All the best
> >
> >
> > Andrew
> >
> >
> > Kurt Pfeifle wrote:
> > > On Tuesday 30 January 2007 08:31, Goffioul Michael wrote:
> > >
> > >>> Thanks to David Faure, who answered my question on
> > >>> kde-core-devel, we now know how to make this call on the
> > >>> commandline. Here it is and also what is returned:
> > >>>
> > >>>
> > >>> kurt@~> dcop kded kdeprintd print "ls -l" '('
> > >>> "/tmp/kdeprint.txt" ')' false
> > >>> object not accessible
> > >>>
> > >>>
> > >>> kurt@~> ls -l /tmp/kdeprint.txt
> > >>> -rw-r--r-- 1 kurt kurt 13 2007-01-29 17:32 /tmp/kdeprint.txt
> > >>>
> > >>>
> > >>>
> > >>> And doing the same as root:
> > >>>
> > >>>
> > >>> root:# dcop --user kurt --list-sessions
> > >>> Active sessions for user /home/kurt :
> > >>> .DCOPserver_soprano__0
> > >>>
> > >>>
> > >>> root:# dcop --session .DCOPserver_soprano__0 --user kurt |grep kded
> > >>> kded
> > >>>
> > >>> root:# dcop --session .DCOPserver_soprano__0 --user kurt
> > >>> kded kdeprintd print "ls -l" '(' "/tmp/kdeprint.txt" ')' false
> > >>> Xlib: connection to ":0.0" refused by server
> > >>> Xlib: No protocol specified
> > >>>
> > >>> 6119
> > >>>
> > >>>
> > >>> root:# dcop --session .DCOPserver_soprano__0 --user kurt
> > >>> kded kdeprintd print "ls -l" '(' "/tmp/kdeprint.txt" ')' true
> > >>> Xlib: connection to ":0.0" refused by server
> > >>> Xlib: No protocol specified
> > >>>
> > >>> 6134
> > >>>
> > >>>
> > >>> root:# ls -l /tmp/kdeprint.txt
> > >>> /bin/ls: /tmp/kdeprint.txt: No such file or directory
> > >>>
> > >>>
> > >>>
> > >>> Does this provide more clue now?
> > >>>
> > >> You should try a command that produces some result, in order to
> > >> check if it's actually executed. Maybe a "ls -l > /tmp/debug.txt"
> > >> can work, or even a "touch /tmp/debug.txt" (remove the file first,
> > >> "touch" should recreate it).
> > >>
> > >
> > > Good idea. But trying it only proofs in a different way, that the
> > > "dcop kded kdeprintd print" call fails:
> > >
> > >
> > > (a) if "/tmp/debug.txt" does already exist:
> > >
> > > dcop kded kdeprintd print "touch" '(' "/tmp/debug.txt" ')' false
> > >
> > > Error message pops up, see below (*) for its content.
> > >
> > >
> > > (b) if "/tmp/debug.txt" does already exist:
> > >
> > > dcop kded kdeprintd print "touch" '(' "/tmp/debug.txt" ')' true
> > >
> > > Same error message pops up, see below (*) for its content;
> > > however "/tmp/debug.txt" is indeed removed (as it should be,
> > > according to the "true" in the dcop call).
> > >
> > >
> > > (c) if "/tmp/debug.txt" does *not* already exist:
> > >
> > > dcop kded kdeprintd print "touch" '(' "/tmp/debug.txt" ')' true
> > >
> > > A warning pops up, see below (**) for its content.
> > >
> > >
> > > Of course, for each of the tests, "/tmp/" and/or "/tmp/debug.txt"
> > > were world readabable/writeable.
> > >
> > > ---------------------------------------------------------------------
> > >
> > > (*) Content of error notification popping up:
> > >
> > > Headline says : "Catastrophe! KNotify"
> > >
> > > Message is : "
> > > A print error occurred. Error message received
> > > from system:
> > > touch: execution failed with message:
> > > touch: missing file operan Try `touch --help'
> > > for more information.
> > > "
> > >
> > > ---------------------------------------------------------------------
> > >
> > > (**) Content of the warning popping up:
> > >
> > > Headline says : "Warning - KDE Daemon"
> > >
> > > Message is : "
> > > Some of the files to print are not readable by
> > > the KDE print daemon. This may happen if you
> > > are trying to print as a different user to the
> > > one currently logged in. To continue printing,
> > > you need to provide root's password.
> > >
> > > [ ] Do not ask again
> > >
> > > +-------------------------+ +--------+
> > > | Provide root's Password | | Cancel |
> > > +-------------------------+ +--------+
>
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