[Bug 701527] [NEW] Some Qt applications freezes Plasma-shell on start with plasma-widget-menubar enabled

[bigbrovar]

Public bug reported:

Binary package hint: plasma-widget-menubar

Some Kde/Qt applications take about 4 mintute to start after launching them, during which time the whole plasma-shell (Including the panel, widgets etc) freezes and becomes unresponsive untill the application that was launced (like 4 minute ago) finally starts then plasma-shell unfreezes and becomes responsive again. However if I were to disable the plasma-widget-menubar, I do not experience this problem and every application starts instanstly after launch. This problem does not affect every Qt Kde application but I have experienced it with dragon player, Juk, and Clementine.
I am running Kubuntu 10.10 with kde 4.5.5.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: plasma-widget-menubar 0.1.13-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Tue Jan 11 16:51:27 2011
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANGUAGE=en_GB
 LANG=en_GB.utf8
 SHELL=/bin/bash
SourcePackage: plasma-widget-menubar

** Affects: plasma-widget-menubar (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 maverick

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https://bugs.launchpad.net/bugs/701527

Title:
  Some Qt applications freezes Plasma-shell on start with plasma-widget-menubar enabled