Plasma-desktop becoming very slow

• To: kde <kde@xxxxxxxxxxxxxxx>
• Subject: Plasma-desktop becoming very slow
• From: Stephan Diestelhorst <stephan.diestelhorst@xxxxxxxxx>
• Date: Fri, 08 Jun 2012 09:25:23 +0200
• Reply-to: kde@xxxxxxxxxxxxxxx
• Sender: kde-bounces@xxxxxxxxxxxxxxx
• User-agent: KMail/4.8.2 (Linux/3.0.0-20-generic; KDE/4.8.2; x86_64; ; )

Hi,
  after leaving my system running for a while with virtuoso-t eating
some CPU, virtuoso-t eventually finishes and everything is fine.

However, although the CPU load stays very low, plasma-desktop is
*very* slow.  Clicking on the virtual desktops in the bar will switch
the desktop after sevaral minutes(!), and the list of windows is not
really updated.  Also, Alt + F2 takes approx. 45 secs to open the
krunner dialog.

Switching desktops with Ctrl + F1 is fast and the respective
applications work fine, too.

This is on Kubuntu 11.10 with KDE 4.8.2.

Any ideas how to fix this?

Stephan

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