Bug 254213

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.2 (KDE 4.5.2)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Trying to add some new widgets
- Unusual behaviour I noticed:
Add widget pop-up stopped responding, after a while it crashed

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f16b0de37a0 (LWP 11784))]

Thread 3 (Thread 0x7f1686335710 (LWP 11798)):
#0  0x00007f16a52fb08a in g_thread_self () from /lib/libglib-2.0.so.0
#1  0x00007f16a52d4300 in g_main_context_acquire () from /lib/libglib-2.0.so.0
#2  0x00007f16a52d5df5 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f16a52d645c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f16adda11e6 in QEventDispatcherGlib::processEvents (this=0x19fce90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f16add73a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f16add73dec in QEventLoop::exec (this=0x7f1686334cb0, flags=) at kernel/qeventloop.cpp:201
#7  0x00007f16adc7e2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007f16add535f8 in QInotifyFileSystemWatcherEngine::run (this=0x19fc440) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f16adc8127e in QThreadPrivate::start (arg=0x19fc440) at thread/qthread_unix.cpp:266
#10 0x00007f16a8933953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f16ad9f6971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007f16b06fb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f167f1b5710 (LWP 11886)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f16ac23420e in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f16ac234329 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f16a8933953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f16ad9f6971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#5  0x00007f16b06fb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f16b0de37a0 (LWP 11784)):
[KCrash Handler]
#6  size (this=0x27c3530, obj=0x2404b10) at ../../include/QtCore/../../src/corelib/tools/qlist.h:94
#7  count (this=0x27c3530, obj=0x2404b10) at ../../include/QtCore/../../src/corelib/tools/qlist.h:267
#8  QObject::removeEventFilter (this=0x27c3530, obj=0x2404b10) at kernel/qobject.cpp:2090
#9  0x00007f16b09c347f in ControllerWindow::setGraphicsWidget (this=0x2404b10, widget=0x1f9d810) at ../../../../plasma/desktop/shell/controllerwindow.cpp:160
#10 0x00007f16b09c3a7d in ControllerWindow::showWidgetExplorer (this=0x2404b10) at ../../../../plasma/desktop/shell/controllerwindow.cpp:386
#11 0x00007f16b09ea49f in PlasmaApp::showController (this=0xc95a10, screen=0, containment=0x1297500, widgetExplorerMode=true) at ../../../../plasma/desktop/shell/plasmaapp.cpp:507
#12 0x00007f16b09e137e in PanelView::qt_metacall (this=0x244e870, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffffa0a94a0) at ./panelview.moc:140
#13 0x00007f16add8cb27 in QMetaObject::activate (sender=0x1297500, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7f16ae0a7120) at kernel/qobject.cpp:3280
#14 0x00007f16b0213ad5 in Plasma::Containment::showAddWidgetsInterface (this=0x27c3530, _t1=<value optimized out>) at ./containment.moc:215
#15 0x00007f16b0213afa in Plasma::ContainmentPrivate::triggerShowAddWidgets (this=<value optimized out>) at ../../plasma/containment.cpp:2238
#16 0x00007f16b0223e4b in Plasma::Containment::qt_metacall (this=0x1297500, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffffa0a9640) at ./containment.moc:152
#17 0x00007f16922d0135 in Panel::qt_metacall (this=0x27c3530, _c=37767952, _id=0, _a=0x7f16ae0a7120) at ./panel.moc:84
#18 0x00007f16add8cb27 in QMetaObject::activate (sender=0x12c44c0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7f16ae0a7120) at kernel/qobject.cpp:3280
#19 0x00007f16aceb7852 in QAction::triggered (this=0x27c3530, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#20 0x00007f16aceb8f5b in QAction::activate (this=0x12c44c0, event=<value optimized out>) at kernel/qaction.cpp:1256
#21 0x00007f16ad31fdc1 in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x12c44c0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#22 0x00007f16ad325782 in QMenuPrivate::activateAction (this=0x374ac90, action=0x12c44c0, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1085
#23 0x00007f16aeaf1e8e in KMenu::mouseReleaseEvent (this=0x2be2d40, e=0x2404b10) at ../../kdeui/widgets/kmenu.cpp:471
#24 0x00007f16acf1504e in QWidget::event (this=0x2be2d40, event=0x7ffffa0aa290) at kernel/qwidget.cpp:8187
#25 0x00007f16ad32790b in QMenu::event (this=0x2be2d40, e=0x7ffffa0aa290) at widgets/qmenu.cpp:2410
#26 0x00007f16acebefdc in QApplicationPrivate::notify_helper (this=0xcb1810, receiver=0x2be2d40, e=0x7ffffa0aa290) at kernel/qapplication.cpp:4396
#27 0x00007f16acec530e in QApplication::notify (this=0xc95a10, receiver=0x2be2d40, e=0x7ffffa0aa290) at kernel/qapplication.cpp:3959
#28 0x00007f16aea114d6 in KApplication::notify (this=0xc95a10, receiver=0x2be2d40, event=0x7ffffa0aa290) at ../../kdeui/kernel/kapplication.cpp:310
#29 0x00007f16add74cdc in QCoreApplication::notifyInternal (this=0xc95a10, receiver=0x2be2d40, event=0x7ffffa0aa290) at kernel/qcoreapplication.cpp:732
#30 0x00007f16acec3dbe in sendEvent (receiver=0x2be2d40, event=0x7ffffa0aa290, alienWidget=0x0, nativeWidget=0x2be2d40, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QApplicationPrivate::sendMouseEvent (receiver=0x2be2d40, event=0x7ffffa0aa290, alienWidget=0x0, nativeWidget=0x2be2d40, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#32 0x00007f16acf477bd in QETWidget::translateMouseEvent (this=0x2be2d40, event=<value optimized out>) at kernel/qapplication_x11.cpp:4337
#33 0x00007f16acf45c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7ffffa0aabb0) at kernel/qapplication_x11.cpp:3536
#34 0x00007f16acf720e2 in x11EventSourceDispatch (s=0xcb5100, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00007f16a52d2342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00007f16a52d62a8 in ?? () from /lib/libglib-2.0.so.0
#37 0x00007f16a52d645c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x00007f16adda1193 in QEventDispatcherGlib::processEvents (this=0xc3f070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#39 0x00007f16acf71a4e in QGuiEventDispatcherGlib::processEvents (this=0x27c3530, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007f16add73a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#41 0x00007f16add73dec in QEventLoop::exec (this=0x7ffffa0aaee0, flags=) at kernel/qeventloop.cpp:201
#42 0x00007f16ad322ec5 in QMenu::exec (this=0x7ffffa0aaf40, p=<value optimized out>, action=0x0) at widgets/qmenu.cpp:2054
#43 0x00007f16b021fdf7 in Plasma::ContainmentPrivate::showContextMenu (this=<value optimized out>, point=<value optimized out>, screenPos=..., includeApplet=true, isMouseEvent=true) at ../../plasma/containment.cpp:806
#44 0x00007f16b022000b in Plasma::Containment::contextMenuEvent (this=0x1297500, event=0x7ffffa0ab7b0) at ../../plasma/containment.cpp:643
#45 0x00007f16ad4e9f86 in QGraphicsItem::sceneEvent (this=0x1297510, event=0x2404b10) at graphicsview/qgraphicsitem.cpp:6639
#46 0x00007f16ad503973 in QGraphicsScene::contextMenuEvent (this=<value optimized out>, contextMenuEvent=0x7ffffa0ab7b0) at graphicsview/qgraphicsscene.cpp:3600
#47 0x00007f16ad5161b4 in QGraphicsScene::event (this=0xc9c090, event=0x7ffffa0ab7b0) at graphicsview/qgraphicsscene.cpp:3398
#48 0x00007f16acebefdc in QApplicationPrivate::notify_helper (this=0xcb1810, receiver=0xc9c090, e=0x7ffffa0ab7b0) at kernel/qapplication.cpp:4396
#49 0x00007f16acec4aed in QApplication::notify (this=0xc95a10, receiver=0xc9c090, e=0x7ffffa0ab7b0) at kernel/qapplication.cpp:4277
#50 0x00007f16aea114d6 in KApplication::notify (this=0xc95a10, receiver=0xc9c090, event=0x7ffffa0ab7b0) at ../../kdeui/kernel/kapplication.cpp:310
#51 0x00007f16add74cdc in QCoreApplication::notifyInternal (this=0xc95a10, receiver=0xc9c090, event=0x7ffffa0ab7b0) at kernel/qcoreapplication.cpp:732
#52 0x00007f16ad53374c in sendEvent (this=0x244e870, event=0x7ffffa0ac0a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#53 QGraphicsView::contextMenuEvent (this=0x244e870, event=0x7ffffa0ac0a0) at graphicsview/qgraphicsview.cpp:2888
#54 0x00007f16acf14a54 in QWidget::event (this=0x244e870, event=0x7ffffa0ac0a0) at kernel/qwidget.cpp:8354
#55 0x00007f16ad2e05e6 in QFrame::event (this=0x244e870, e=0x7ffffa0ac0a0) at widgets/qframe.cpp:557
#56 0x00007f16ad53287b in QGraphicsView::viewportEvent (this=0x244e870, event=0x7ffffa0ac0a0) at graphicsview/qgraphicsview.cpp:2862
#57 0x00007f16add74507 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x221d820, event=0x7ffffa0ac0a0) at kernel/qcoreapplication.cpp:847
#58 0x00007f16acebefac in QApplicationPrivate::notify_helper (this=0xcb1810, receiver=0x221d820, e=0x7ffffa0ac0a0) at kernel/qapplication.cpp:4392
#59 0x00007f16acec4cd1 in QApplication::notify (this=0xc95a10, receiver=0x221d820, e=0x7ffffa0ac0a0) at kernel/qapplication.cpp:4038
#60 0x00007f16aea114d6 in KApplication::notify (this=0xc95a10, receiver=0x221d820, event=0x7ffffa0ac0a0) at ../../kdeui/kernel/kapplication.cpp:310
#61 0x00007f16add74cdc in QCoreApplication::notifyInternal (this=0xc95a10, receiver=0x221d820, event=0x7ffffa0ac0a0) at kernel/qcoreapplication.cpp:732
#62 0x00007f16acf47392 in QETWidget::translateMouseEvent (this=<value optimized out>, event=<value optimized out>) at kernel/qapplication_x11.cpp:4408
#63 0x00007f16acf45c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7ffffa0ac9f0) at kernel/qapplication_x11.cpp:3536
#64 0x00007f16acf720e2 in x11EventSourceDispatch (s=0xcb5100, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#65 0x00007f16a52d2342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#66 0x00007f16a52d62a8 in ?? () from /lib/libglib-2.0.so.0
#67 0x00007f16a52d645c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#68 0x00007f16adda1193 in QEventDispatcherGlib::processEvents (this=0xc3f070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#69 0x00007f16acf71a4e in QGuiEventDispatcherGlib::processEvents (this=0x27c3530, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#70 0x00007f16add73a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#71 0x00007f16add73dec in QEventLoop::exec (this=0x7ffffa0acd20, flags=) at kernel/qeventloop.cpp:201
#72 0x00007f16add77ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#73 0x00007f16b09d2d96 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#74 0x00007f16b0633d8e 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=0x7ffffa0ad0e8) at libc-start.c:226
#75 0x0000000000400669 in _start ()

Possible duplicates by query: bug 252210.

Reported using DrKonqi