Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
I was trying to open a menu-item of konversation in the window  menubar widget, which didn't respond. The menu-item was highlighted however. I clicked on the same menu item again and plasma crashed and relaunched itself.
(There was a number of programs open at the time that do not work with said widget: Open Office, Firefox and Thunderbird)

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fbc94c81780 (LWP 16422))]

Thread 2 (Thread 0x7fbc6f6f9700 (LWP 16425)):
#0  0x00007fbc94594203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fbc89212009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fbc8921245c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fbc91c491e6 in QEventDispatcherGlib::processEvents (this=0x1f311a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007fbc91c1ba02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fbc91c1bdec in QEventLoop::exec (this=0x7fbc6f6f8d90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fbc91b262fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007fbc91bfb5f8 in QInotifyFileSystemWatcherEngine::run (this=0x1f30260) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fbc91b2927e in QThreadPrivate::start (arg=0x1f30260) at thread/qthread_unix.cpp:266
#9  0x00007fbc9189e971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007fbc945a092d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fbc94c81780 (LWP 16422)):
[KCrash Handler]
#6  0x00007fbc91c2faf5 in QMetaObject::changeGuard (ptr=0xbeec090, o=0xc2e0170) at kernel/qobject.cpp:455
#7  0x00007fbc913a4783 in operator= (this=0xbeebeb0, event=0x7fff3493df50) at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:68
#8  QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent (this=0xbeebeb0, event=0x7fff3493df50) at graphicsview/qgraphicsproxywidget.cpp:284
#9  0x00007fbc91391fb4 in QGraphicsItem::sceneEvent (this=0xc1e17e0, event=0x20) at graphicsview/qgraphicsitem.cpp:6669
#10 0x00007fbc913a9cf8 in QGraphicsScenePrivate::sendMouseEvent (this=0x13e27a0, mouseEvent=0x7fff3493df50) at graphicsview/qgraphicsscene.cpp:1285
#11 0x00007fbc913ad325 in QGraphicsScene::mouseReleaseEvent (this=<value optimized out>, mouseEvent=0x7fff3493df50) at graphicsview/qgraphicsscene.cpp:4111
#12 0x00007fbc913be1ef in QGraphicsScene::event (this=0x13f8eb0, event=0x7fff3493df50) at graphicsview/qgraphicsscene.cpp:3444
#13 0x00007fbc90d66fdc in QApplicationPrivate::notify_helper (this=0x1273240, receiver=0x13f8eb0, e=0x7fff3493df50) at kernel/qapplication.cpp:4396
#14 0x00007fbc90d6caed in QApplication::notify (this=0x12551f0, receiver=0x13f8eb0, e=0x7fff3493df50) at kernel/qapplication.cpp:4277
#15 0x00007fbc928b8156 in KApplication::notify (this=0x12551f0, receiver=0x13f8eb0, event=0x7fff3493df50) at ../../kdeui/kernel/kapplication.cpp:310
#16 0x00007fbc91c1ccdc in QCoreApplication::notifyInternal (this=0x12551f0, receiver=0x13f8eb0, event=0x7fff3493df50) at kernel/qcoreapplication.cpp:732
#17 0x00007fbc913dc4a5 in QGraphicsView::mouseReleaseEvent (this=0x1d7d250, event=0x7fff3493e990) at graphicsview/qgraphicsview.cpp:3334
#18 0x00007fbc90dbd04e in QWidget::event (this=0x1d7d250, event=0x7fff3493e990) at kernel/qwidget.cpp:8187
#19 0x00007fbc911885e6 in QFrame::event (this=0x1d7d250, e=0x7fff3493e990) at widgets/qframe.cpp:557
#20 0x00007fbc913da87b in QGraphicsView::viewportEvent (this=0x1d7d250, event=0x7fff3493e990) at graphicsview/qgraphicsview.cpp:2862
#21 0x00007fbc91c1c507 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x221b4b0, event=0x7fff3493e990) at kernel/qcoreapplication.cpp:847
#22 0x00007fbc90d66fac in QApplicationPrivate::notify_helper (this=0x1273240, receiver=0x221b4b0, e=0x7fff3493e990) at kernel/qapplication.cpp:4392
#23 0x00007fbc90d6d30e in QApplication::notify (this=0x12551f0, receiver=0x221b4b0, e=0x7fff3493e990) at kernel/qapplication.cpp:3959
#24 0x00007fbc928b8156 in KApplication::notify (this=0x12551f0, receiver=0x221b4b0, event=0x7fff3493e990) at ../../kdeui/kernel/kapplication.cpp:310
#25 0x00007fbc91c1ccdc in QCoreApplication::notifyInternal (this=0x12551f0, receiver=0x221b4b0, event=0x7fff3493e990) at kernel/qcoreapplication.cpp:732
#26 0x00007fbc90d6bdbe in sendEvent (receiver=0x221b4b0, event=0x7fff3493e990, alienWidget=0x221b4b0, nativeWidget=0x1d7d250, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#27 QApplicationPrivate::sendMouseEvent (receiver=0x221b4b0, event=0x7fff3493e990, alienWidget=0x221b4b0, nativeWidget=0x1d7d250, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#28 0x00007fbc90def345 in QETWidget::translateMouseEvent (this=0x1d7d250, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#29 0x00007fbc90dedc5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff3493f2b0) at kernel/qapplication_x11.cpp:3536
#30 0x00007fbc90e1a0e2 in x11EventSourceDispatch (s=0x1276b00, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007fbc8920e342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#32 0x00007fbc892122a8 in ?? () from /lib/libglib-2.0.so.0
#33 0x00007fbc8921245c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#34 0x00007fbc91c49193 in QEventDispatcherGlib::processEvents (this=0x123a070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#35 0x00007fbc90e19a4e in QGuiEventDispatcherGlib::processEvents (this=0x7fbc94838e40, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007fbc91c1ba02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#37 0x00007fbc91c1bdec in QEventLoop::exec (this=0x7fff3493f5e0, flags=) at kernel/qeventloop.cpp:201
#38 0x00007fbc91c1febb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#39 0x00007fbc94877a56 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#40 0x00007fbc944d8d8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff3493f9a8) at libc-start.c:226
#41 0x0000000000400669 in _start ()

Possible duplicates by query: bug 261998, bug 261513, bug 258005, bug 257217, bug 252309.

Reported using DrKonqi