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List:       kde-bugs-dist
Subject:    [Bug 245641] "Session bus not found" when starting a KApplication via ssh
From:       Rigo Wenning <rigo () w3 ! org>
Date:       2012-05-20 17:38:42
Message-ID: bug-245641-17878-FAn0tCl3Zy () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=245641

Rigo Wenning <rigo@w3.org> changed:

           What    |Removed                     |Added
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                 CC|                            |rigo@w3.org

--- Comment #6 from Rigo Wenning <rigo@w3.org> ---
As seen in https://bugs.kde.org/show_bug.cgi?id=235272 (now marked as a
duplicate of this one) the command $ export $(dbus-launch) solves the immediate
issue. But it creates another one. Since KDE 4.8.2 (4.8.2) "release 494"
(OpenSuse), the starting of the remote application results in very high CPU
usage of the sshd daemon. After Googling a while I found another bug
http://www.mail-archive.com/rsync@lists.samba.org/msg25466.html where it looks
like the CPU usage by the sshd may be due to ssh not knowing where to send
stuff. I also noted with ssh -vv that every mouse movement over the remotely
started application causes massive redrawings that create the load on the sshd.
This wasn't the case in KDE 4.7.4 BTW. Looks like a bug in KDE as starting
normal X-Windows programs remain unaffected by that bug and do not create such
a high load on the CPU, even on mouse over.

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