[Bug 376421] [NEW] "sudo kate" kills xserver (crash)

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on a Kubuntu Jaunty with ppa KDE 4.2.3 (can't test it any more on
original 4.2.2,but should be the same, can anyone confirm that?) i
startet a "sudo kate", and it gave me the following:

=================
Error: "/var/tmp/kdecache-christian" is owned by uid 1001 instead of uid 0.
Error: "/tmp/kde-christian" is owned by uid 1001 instead of uid 0.
Error: "/tmp/ksocket-christian" is owned by uid 1001 instead of uid 0.
kate(10853) KToolInvocation::klauncher: klauncher not running... launching kdeinit
Error: "/tmp/kde-christian" is owned by uid 1001 instead of uid 0.
Error: "/tmp/ksocket-christian" is owned by uid 1001 instead of uid 0.
kdeinit4: Shutting down running client.
kdeinit4: preparing to launch /usr/lib/kde4/libexec/klauncher
Error: "/tmp/ksocket-christian" is owned by uid 1001 instead of uid 0.
Error: "/tmp/kde-christian" is owned by uid 1001 instead of uid 0.
kdeinit4: preparing to launch /usr/bin/kded4
Error: "/var/tmp/kdecache-christian" is owned by uid 1001 instead of uid 0.
Error: "/tmp/kde-christian" is owned by uid 1001 instead of uid 0.
kdeinit4: preparing to launch /usr/bin/kbuildsycoca4
kbuildsycoca4 running...
Error: "/var/tmp/kdecache-christian" is owned by uid 1001 instead of uid 0.
kdeinit4: preparing to launch /usr/bin/kbuildsycoca4
kbuildsycoca4 running...
Error: "/var/tmp/kdecache-christian" is owned by uid 1001 instead of uid 0.
Error: "/var/tmp/kdecache-christian" is owned by uid 1001 instead of uid 0.
kdeinit4: preparing to launch /usr/lib/kde4/libexec/kconf_update
kdeinit4: preparing to launch
=================

which seems ok more or less.
Kate pops up, and another x window comes up (attached as screenshot), saying:
"Could not start ksmserver. Check your installation."
 [okay]

When I press [okay] my whole X screen crashes.

** Affects: kdesdk (Ubuntu)
     Importance: Undecided
         Status: New

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"sudo kate" kills xserver (crash)
https://bugs.edge.launchpad.net/bugs/376421
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