[Bug 166704] New: Plasma Workspace crashed and caused signal 11 (SIGSEGV)

[stevebakerj at freeuk.com]

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http://bugs.kde.org/show_bug.cgi?id=166704         
           Summary: Plasma Workspace crashed and caused signal 11 (SIGSEGV)
           Product: plasma
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: panel-devel kde org
        ReportedBy: stevebakerj freeuk com


Version:            (using KDE 4.0.98)
Installed from:    Ubuntu Packages
OS:                Linux

After updating to KDE 4.1 RC1 (previously running Beta 1 with no major problems) I restarted and the plasma workspace crashes, I checked the bug list and found Bug no 166666 so I removed kdeplasmoids, kdeplasmoids-data & kdeplasmoids-libs4. Restarted but the workspace still crashes with the following backtrace:

Application: Plasma Workspace (plasma), signal SIGSEGV
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[Thread debugging using libthread_db enabled]
[New Thread 0xb551ba00 (LWP 8395)]
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[KCrash handler]
#6  0xb6b99e16 in QAction::setVisible () from /usr/lib/libQtGui.so.4
#7  0xb3af38b1 in ?? () from /usr/lib/kde4/lib/kde4/plasma_applet_launcher.so
#8  0xb7c95be6 in Plasma::Applet::flushPendingConstraintsEvents ()
   from /usr/lib/kde4/lib/libplasma.so.2
#9  0xb7c963ae in Plasma::Applet::timerEvent ()
   from /usr/lib/kde4/lib/libplasma.so.2
#10 0xb763ec9a in QObject::event () from /usr/lib/libQtCore.so.4
#11 0xb715000f in QGraphicsWidget::event () from /usr/lib/libQtGui.so.4
#12 0xb6b9ec0c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#13 0xb6ba37a9 in QApplication::notify () from /usr/lib/libQtGui.so.4
#14 0xb7ab0603 in KApplication::notify () from /usr/lib/kde4/lib/libkdeui.so.5
#15 0xb762e6a9 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#16 0xb765c1a1 in ?? () from /usr/lib/libQtCore.so.4
#17 0xb7659a40 in ?? () from /usr/lib/libQtCore.so.4
#18 0xb5976dd6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0xb597a193 in ?? () from /usr/lib/libglib-2.0.so.0
#20 0xb597a74e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#21 0xb7659f98 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#22 0xb6c321b5 in ?? () from /usr/lib/libQtGui.so.4
#23 0xb762d92d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#24 0xb762dabd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#25 0xb6881547 in KIO::NetAccess::enter_loop ()
   from /usr/lib/kde4/lib/libkio.so.5
#26 0xb6881a97 in KIO::NetAccess::statInternal ()
   from /usr/lib/kde4/lib/libkio.so.5
#27 0xb68820ab in KIO::NetAccess::stat () from /usr/lib/kde4/lib/libkio.so.5
#28 0xb6882154 in KIO::NetAccess::mostLocalUrl ()
   from /usr/lib/kde4/lib/libkio.so.5
#29 0xb3b0e81e in ?? () from /usr/lib/kde4/lib/kde4/plasma_applet_icon.so
#30 0xb3b0f82c in ?? () from /usr/lib/kde4/lib/kde4/plasma_applet_icon.so
#31 0xb7cc730b in Plasma::Corona::loadLayout ()
   from /usr/lib/kde4/lib/libplasma.so.2
#32 0xb7cc74a1 in Plasma::Corona::initializeLayout ()
   from /usr/lib/kde4/lib/libplasma.so.2
#33 0xb7f242b2 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#34 0xb7f25924 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#35 0xb7f2625b in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#36 0xb7f191e7 in kdemain () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#37 0x08048582 in _start ()
#0  0xb7f34410 in __kernel_vsyscall ()