Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

trying to decide whether to switch to Xubuntu. Plasma too slow, crashes too often

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f13f8fbb7a0 (LWP 1826))]

Thread 3 (Thread 0x7f13da688700 (LWP 1828)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f13da687ad0 in ?? ()
#2  0x00007fff41b217e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0x7f13cccb8700 (LWP 1829)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f13cccb7ad0 in ?? ()
#2  0x00007fff41b217e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f13f8fbb7a0 (LWP 1826)):
[KCrash Handler]
#6  QMetaObject::changeGuard (ptr=0x622e740, o=0x5ca7350) at kernel/qobject.cpp:456
#7  0x00007f13f53fac80 in operator= (p=<optimized out>, this=0x622e740) at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:68
#8  QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent (this=0x622e560, event=0x7fff41a98740) at graphicsview/qgraphicsproxywidget.cpp:284
#9  0x00007f13f53dd7e3 in QGraphicsItem::sceneEvent (this=0x392a480, event=0x7fff41a98740) at graphicsview/qgraphicsitem.cpp:6730
#10 0x00007f13f5405c2a in QGraphicsScenePrivate::sendMouseEvent (this=0x1ff28f0, mouseEvent=0x7fff41a98740) at graphicsview/qgraphicsscene.cpp:1291
#11 0x00007f13f54065f5 in QGraphicsScene::mouseReleaseEvent (this=<optimized out>, mouseEvent=0x7fff41a98740) at graphicsview/qgraphicsscene.cpp:4121
#12 0x00007f13f541486f in QGraphicsScene::event (this=0x1ff3e30, event=0x7fff41a98740) at graphicsview/qgraphicsscene.cpp:3453
#13 0x00007f13f4e16424 in notify_helper (e=0x7fff41a98740, receiver=0x1ff3e30, this=0x1eaad00) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x1eaad00, receiver=0x1ff3e30, e=0x7fff41a98740) at kernel/qapplication.cpp:4458
#15 0x00007f13f4e1b291 in QApplication::notify (this=0x1e8e920, receiver=0x1ff3e30, e=0x7fff41a98740) at kernel/qapplication.cpp:4365
#16 0x00007f13f67141e6 in KApplication::notify (this=0x1e8e920, receiver=0x1ff3e30, event=0x7fff41a98740) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f13f5a65afc in QCoreApplication::notifyInternal (this=0x1e8e920, receiver=0x1ff3e30, event=0x7fff41a98740) at kernel/qcoreapplication.cpp:787
#18 0x00007f13f542ff76 in QGraphicsView::mouseReleaseEvent (this=0x480b340, event=0x7fff41a98f20) at graphicsview/qgraphicsview.cpp:3336
#19 0x00007f13f4e66c9a in QWidget::event (this=0x480b340, event=0x7fff41a98f20) at kernel/qwidget.cpp:8295
#20 0x00007f13f520f4f6 in QFrame::event (this=0x480b340, e=0x7fff41a98f20) at widgets/qframe.cpp:557
#21 0x00007f13f5432d3b in QGraphicsView::viewportEvent (this=0x480b340, event=0x7fff41a98f20) at graphicsview/qgraphicsview.cpp:2864
#22 0x00007f13f5a65c88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x38991f0, event=0x7fff41a98f20) at kernel/qcoreapplication.cpp:902
#23 0x00007f13f4e163ef in notify_helper (e=0x7fff41a98f20, receiver=0x38991f0, this=0x1eaad00) at kernel/qapplication.cpp:4482
#24 QApplicationPrivate::notify_helper (this=0x1eaad00, receiver=0x38991f0, e=0x7fff41a98f20) at kernel/qapplication.cpp:4458
#25 0x00007f13f4e1bc6b in QApplication::notify (this=<optimized out>, receiver=0x38991f0, e=0x7fff41a98f20) at kernel/qapplication.cpp:4047
#26 0x00007f13f67141e6 in KApplication::notify (this=0x1e8e920, receiver=0x38991f0, event=0x7fff41a98f20) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f13f5a65afc in QCoreApplication::notifyInternal (this=0x1e8e920, receiver=0x38991f0, event=0x7fff41a98f20) at kernel/qcoreapplication.cpp:787
#28 0x00007f13f4e173f2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#29 QApplicationPrivate::sendMouseEvent (receiver=0x38991f0, event=0x7fff41a98f20, alienWidget=0x38991f0, nativeWidget=0x480b340, buttonDown=0x38991f0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#30 0x00007f13f4e96945 in QETWidget::translateMouseEvent (this=0x480b340, event=<optimized out>) at kernel/qapplication_x11.cpp:4568
#31 0x00007f13f4e958be in QApplication::x11ProcessEvent (this=0x1e8e920, event=0x7fff41a99740) at kernel/qapplication_x11.cpp:3690
#32 0x00007f13f4ebe412 in x11EventSourceDispatch (s=0x1eb2e30, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007f13ece29a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f13ece2a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f13ece2a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f13f5a90ed6 in QEventDispatcherGlib::processEvents (this=0x1e3df40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007f13f4ebe07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007f13f5a64cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007f13f5a64ef7 in QEventLoop::exec (this=0x7fff41a99b10, flags=...) at kernel/qeventloop.cpp:201
#40 0x00007f13f5a69789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#41 0x00007f13f8ba71a3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#42 0x00007f13f87e830d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fff41a99ef8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff41a99ee8) at libc-start.c:226
#43 0x0000000000400671 in _start ()

Possible duplicates by query: bug 284598, bug 284486, bug 275046, bug 274399, bug 269428.

Reported using DrKonqi