Bug 255173

Summary: Plasma desktop crashed after clicking "add plasma widgets" [null Kephal::Screen::geom, PlasmaApp::showController, PlasmaApp::showWidgetExplorer]
Product: [Unmaintained] plasma4 Reporter: Uriel.home
Component: widget explorerAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED FIXED    
Severity: crash CC: anaceciliamb, andresbajotierra, aseigo, asraniel, kde, lbodnyk, Vittorio.Vallero
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Uriel.home 2010-10-25 08:02:27 UTC 
Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

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

When I missed my plasma widgets after booting the PC, I want to reinstall the widgets on my Desktop. I clicked on "add plasma widgets" (german: Miniprogramme hinzufügen) after unlock the widgets. So then I got a blank screen, plasma crashed and after plasma recovers, all widgets like processor control and weather applet are on the desktop

-- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb61d3a30 (LWP 2396))]

Thread 4 (Thread 0xad199b70 (LWP 2403)):
#0  0x01546e36 in clock_gettime () from /lib/librt.so.1
#1  0x03c6250b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x03d396e5 in QTimerInfoList::updateCurrentTime (this=0x8a036b4) at kernel/qeventdispatcher_unix.cpp:339
#4  0x03d3972a in QTimerInfoList::timerWait (this=0x8a036b4, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x03d377a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xad198ffc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x03d3783d in timerSourcePrepare (source=0x0, timeout=0x154aff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0x07539e6a in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0x0753a279 in ?? () from /lib/libglib-2.0.so.0
#9  0x0753a848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0x03d3759f in QEventDispatcherGlib::processEvents (this=0x8a03248, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x03d07609 in QEventLoop::processEvents (this=0xad1991d0, flags=) at kernel/qeventloop.cpp:149
#12 0x03d07a8a in QEventLoop::exec (this=0xad1991d0, flags=...) at kernel/qeventloop.cpp:201
#13 0x03c03b7e in QThread::exec (this=0x8a02dc0) at thread/qthread.cpp:490
#14 0x03ce635b in QInotifyFileSystemWatcherEngine::run (this=0x8a02dc0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x03c06df9 in QThreadPrivate::start (arg=0x8a02dc0) at thread/qthread_unix.cpp:266
#16 0x01c82ba8 in ?? () from /usr/lib/nvidia-current/libGL.so.1

Thread 3 (Thread 0xa83d0b70 (LWP 2847)):
#0  0x007fe416 in __kernel_vsyscall ()
#1  0x006d0884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00a22e04 in pthread_cond_timedwait () from /lib/libc.so.6
#3  0x03c0794f in wait (this=0x8a57c7c, mutex=0x8a57c78, time=30000) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x8a57c7c, mutex=0x8a57c78, time=30000) at thread/qwaitcondition_unix.cpp:160
#5  0x03bfb5b3 in QThreadPoolThread::run (this=0x8cd15c0) at concurrent/qthreadpool.cpp:140
#6  0x03c06df9 in QThreadPrivate::start (arg=0x8cd15c0) at thread/qthread_unix.cpp:266
#7  0x01c82ba8 in ?? () from /usr/lib/nvidia-current/libGL.so.1

Thread 2 (Thread 0xaa592b70 (LWP 2848)):
#0  0x007fe416 in __kernel_vsyscall ()
#1  0x006d0884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00a22e04 in pthread_cond_timedwait () from /lib/libc.so.6
#3  0x03c0794f in wait (this=0x8a57c7c, mutex=0x8a57c78, time=30000) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x8a57c7c, mutex=0x8a57c78, time=30000) at thread/qwaitcondition_unix.cpp:160
#5  0x03bfb5b3 in QThreadPoolThread::run (this=0x8aa5a08) at concurrent/qthreadpool.cpp:140
#6  0x03c06df9 in QThreadPrivate::start (arg=0x8aa5a08) at thread/qthread_unix.cpp:266
#7  0x01c82ba8 in ?? () from /usr/lib/nvidia-current/libGL.so.1

Thread 1 (Thread 0xb61d3a30 (LWP 2396)):
[KCrash Handler]
#7  Kephal::Screen::geom (this=0x0) at ../../../../libs/kephal/kephal/screens.cpp:89
#8  0x0032ddc5 in PlasmaApp::showController (this=0x8137538, screen=-1, containment=0x86b2048, widgetExplorerMode=true) at ../../../../plasma/desktop/shell/plasmaapp.cpp:527
#9  0x0032e1d7 in PlasmaApp::showWidgetExplorer (this=0x8137538, screen=-1, containment=0x86b2048) at ../../../../plasma/desktop/shell/plasmaapp.cpp:466
#10 0x0030e24d in DesktopView::showWidgetExplorer (this=0x8a986c8) at ../../../../plasma/desktop/shell/desktopview.cpp:339
#11 0x0030f76b in DesktopView::qt_metacall (this=0x8a986c8, _c=QMetaObject::InvokeMetaMethod, _id=55, _a=0xbfe854d8) at ./desktopview.moc:104
#12 0x03d0e8ca in QMetaObject::metacall (object=0x8a986c8, cl=11142080, idx=55, argv=0xbfe854d8) at kernel/qmetaobject.cpp:237
#13 0x03d216ad in QMetaObject::activate (sender=0x86b2048, m=0x5dc388, local_signal_index=6, argv=0x0) at kernel/qobject.cpp:3280
#14 0x003fdcb3 in Plasma::Containment::showAddWidgetsInterface (this=0x86b2048, _t1=...) at ./containment.moc:215
#15 0x003fdcee in Plasma::ContainmentPrivate::triggerShowAddWidgets (this=0x87ad250) at ../../plasma/containment.cpp:2238
#16 0x0040ea14 in Plasma::Containment::qt_metacall (this=0x86b2048, _c=QMetaObject::InvokeMetaMethod, _id=83, _a=0xbfe85688) at ./containment.moc:152
#17 0x01baa4fa in DefaultDesktop::qt_metacall (this=0x86b2048, _c=QMetaObject::InvokeMetaMethod, _id=83, _a=0xbfe85688) at ./desktop.moc:78
#18 0x03d0e8ca in QMetaObject::metacall (object=0x86b2048, cl=11142080, idx=83, argv=0xbfe85688) at kernel/qmetaobject.cpp:237
#19 0x03d216ad in QMetaObject::activate (sender=0x87ac248, m=0x281b370, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3280
#20 0x01e94f99 in QAction::triggered (this=0x87ac248, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#21 0x01e968dc in QAction::activate (this=0x87ac248, event=QAction::Trigger) at kernel/qaction.cpp:1256
#22 0x023627ef in QMenuPrivate::activateCausedStack (this=0xa422898, causedStack=..., action=0x87ac248, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#23 0x02368a4b in QMenuPrivate::activateAction (this=0xa422898, action=0x87ac248, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1085
#24 0x023695e0 in QMenu::mouseReleaseEvent (this=0xbfe8679c, e=0xbfe85f30) at widgets/qmenu.cpp:2301
#25 0x0114efe5 in KMenu::mouseReleaseEvent (this=0xbfe8679c, e=0xbfe85f30) at ../../kdeui/widgets/kmenu.cpp:471
#26 0x01efae08 in QWidget::event (this=0xbfe8679c, event=0xbfe85f30) at kernel/qwidget.cpp:8187
#27 0x0236b02f in QMenu::event (this=0xbfe8679c, e=0xbfe85f30) at widgets/qmenu.cpp:2410
#28 0x01e9cfdc in QApplicationPrivate::notify_helper (this=0x8143dc8, receiver=0xbfe8679c, e=0xbfe85f30) at kernel/qapplication.cpp:4396
#29 0x01ea3c2e in QApplication::notify (this=0x8137538, receiver=0xbfe8679c, e=0xbfe85f30) at kernel/qapplication.cpp:3959
#30 0x0105468a in KApplication::notify (this=0x8137538, receiver=0xbfe8679c, event=0xbfe85f30) at ../../kdeui/kernel/kapplication.cpp:310
#31 0x03d08b3b in QCoreApplication::notifyInternal (this=0x8137538, receiver=0xbfe8679c, event=0xbfe85f30) at kernel/qcoreapplication.cpp:732
#32 0x01ea2094 in sendEvent (receiver=0xbfe8679c, event=0xbfe85f30, alienWidget=0x0, nativeWidget=0xbfe8679c, buttonDown=0x28373c0, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QApplicationPrivate::sendMouseEvent (receiver=0xbfe8679c, event=0xbfe85f30, alienWidget=0x0, nativeWidget=0xbfe8679c, buttonDown=0x28373c0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#34 0x01f31261 in QETWidget::translateMouseEvent (this=0xbfe8679c, event=0xbfe8644c) at kernel/qapplication_x11.cpp:4337
#35 0x01f30151 in QApplication::x11ProcessEvent (this=0x8137538, event=0xbfe8644c) at kernel/qapplication_x11.cpp:3414
#36 0x01f5f36a in x11EventSourceDispatch (s=0x8147000, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#37 0x07536855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x0753a668 in ?? () from /lib/libglib-2.0.so.0
#39 0x0753a848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x03d37565 in QEventDispatcherGlib::processEvents (this=0x80e2ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#41 0x01f5ebe5 in QGuiEventDispatcherGlib::processEvents (this=0x80e2ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x03d07609 in QEventLoop::processEvents (this=0xbfe86740, flags=) at kernel/qeventloop.cpp:149
#43 0x03d07a8a in QEventLoop::exec (this=0xbfe86740, flags=...) at kernel/qeventloop.cpp:201
#44 0x02365efe in QMenu::exec (this=0xbfe8679c, p=..., action=0x0) at widgets/qmenu.cpp:2054
#45 0x01bbc361 in ContextMenu::contextEvent (this=0x8769658, event=0xbfe870d4) at ../../../../../plasma/generic/containmentactions/contextmenu/menu.cpp:139
#46 0x0040c2f6 in Plasma::Containment::mousePressEvent (this=0x86b2048, event=0xbfe870d4) at ../../plasma/containment.cpp:587
#47 0x0254f1fa in QGraphicsItem::sceneEvent (this=0x86b2050, event=0xbfe870d4) at graphicsview/qgraphicsitem.cpp:6666
#48 0x025a64d7 in QGraphicsWidget::sceneEvent (this=0x86b2048, event=0xbfe870d4) at graphicsview/qgraphicswidget.cpp:1173
#49 0x02567569 in QGraphicsScenePrivate::sendEvent (this=0x82182f0, item=0x86b2050, event=0xbfe870d4) at graphicsview/qgraphicsscene.cpp:1211
#50 0x025698b3 in QGraphicsScenePrivate::sendMouseEvent (this=0x82182f0, mouseEvent=0xbfe870d4) at graphicsview/qgraphicsscene.cpp:1285
#51 0x02582f38 in QGraphicsScenePrivate::mousePressEventHandler (this=0x82182f0, mouseEvent=0xbfe870d4) at graphicsview/qgraphicsscene.cpp:1410
#52 0x0258352d in QGraphicsScene::mousePressEvent (this=0x813fa00, mouseEvent=0xbfe870d4) at graphicsview/qgraphicsscene.cpp:4057
#53 0x02582514 in QGraphicsScene::event (this=0x813fa00, event=0xbfe870d4) at graphicsview/qgraphicsscene.cpp:3441
#54 0x01e9cfdc in QApplicationPrivate::notify_helper (this=0x8143dc8, receiver=0x813fa00, e=0xbfe870d4) at kernel/qapplication.cpp:4396
#55 0x01ea304e in QApplication::notify (this=0x8137538, receiver=0x813fa00, e=0xbfe870d4) at kernel/qapplication.cpp:3798
#56 0x0105468a in KApplication::notify (this=0x8137538, receiver=0x813fa00, event=0xbfe870d4) at ../../kdeui/kernel/kapplication.cpp:310
#57 0x03d08b3b in QCoreApplication::notifyInternal (this=0x8137538, receiver=0x813fa00, event=0xbfe870d4) at kernel/qcoreapplication.cpp:732
#58 0x01e9cb9e in sendSpontaneousEvent (receiver=0x813fa00, event=0xbfe85268) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#59 qt_sendSpontaneousEvent (receiver=0x813fa00, event=0xbfe85268) at kernel/qapplication.cpp:5388
#60 0x025a0f35 in QGraphicsView::mousePressEvent (this=0x8a986c8, event=0xbfe87850) at graphicsview/qgraphicsview.cpp:3160
#61 0x01efadec in QWidget::event (this=0x8a986c8, event=0xbfe87850) at kernel/qwidget.cpp:8183
#62 0x0231c763 in QFrame::event (this=0x8a986c8, e=0xbfe87850) at widgets/qframe.cpp:557
#63 0x023b9a82 in QAbstractScrollArea::viewportEvent (this=0xaa03c0, e=0xbfe85268) at widgets/qabstractscrollarea.cpp:1043
#64 0x0259dccb in QGraphicsView::viewportEvent (this=0x8a986c8, event=0xbfe87850) at graphicsview/qgraphicsview.cpp:2862
#65 0x023bc4d5 in viewportEvent (this=0x8a6ab38, o=0x8a34180, e=0xbfe87850) at widgets/qabstractscrollarea_p.h:100
#66 QAbstractScrollAreaFilter::eventFilter (this=0x8a6ab38, o=0x8a34180, e=0xbfe87850) at widgets/qabstractscrollarea_p.h:116
#67 0x03d0829a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8143dc8, receiver=0x8a34180, event=0xbfe87850) at kernel/qcoreapplication.cpp:847
#68 0x01e9cfb9 in QApplicationPrivate::notify_helper (this=0x8143dc8, receiver=0x8a34180, e=0xbfe87850) at kernel/qapplication.cpp:4392
#69 0x01ea3c2e in QApplication::notify (this=0x8137538, receiver=0x8a34180, e=0xbfe87850) at kernel/qapplication.cpp:3959
#70 0x0105468a in KApplication::notify (this=0x8137538, receiver=0x8a34180, event=0xbfe87850) at ../../kdeui/kernel/kapplication.cpp:310
#71 0x03d08b3b in QCoreApplication::notifyInternal (this=0x8137538, receiver=0x8a34180, event=0xbfe87850) at kernel/qcoreapplication.cpp:732
#72 0x01ea2094 in sendEvent (receiver=0x8a34180, event=0xbfe87850, alienWidget=0x8a34180, nativeWidget=0x8a986c8, buttonDown=0x28373c0, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#73 QApplicationPrivate::sendMouseEvent (receiver=0x8a34180, event=0xbfe87850, alienWidget=0x8a34180, nativeWidget=0x8a986c8, buttonDown=0x28373c0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#74 0x01f30d10 in QETWidget::translateMouseEvent (this=0x8a986c8, event=0xbfe87d6c) at kernel/qapplication_x11.cpp:4403
#75 0x01f30151 in QApplication::x11ProcessEvent (this=0x8137538, event=0xbfe87d6c) at kernel/qapplication_x11.cpp:3414
#76 0x01f5f36a in x11EventSourceDispatch (s=0x8147000, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#77 0x07536855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#78 0x0753a668 in ?? () from /lib/libglib-2.0.so.0
#79 0x0753a848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#80 0x03d37565 in QEventDispatcherGlib::processEvents (this=0x80e2ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#81 0x01f5ebe5 in QGuiEventDispatcherGlib::processEvents (this=0x80e2ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#82 0x03d07609 in QEventLoop::processEvents (this=0xbfe88064, flags=) at kernel/qeventloop.cpp:149
#83 0x03d07a8a in QEventLoop::exec (this=0xbfe88064, flags=...) at kernel/qeventloop.cpp:201
#84 0x03d0c00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#85 0x01e9be07 in QApplication::exec () at kernel/qapplication.cpp:3672
#86 0x0031486e in kdemain (argc=1, argv=0xbfe88274) at ../../../../plasma/desktop/shell/main.cpp:118
#87 0x080485bb in main (argc=1, argv=0xbfe88274) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi
Comment 1 Dario Andres 2011-01-01 18:10:41 UTC 
[Comment from a bug triager]
- Is this still happening with an updated KDE SC ? (4.5.4)
Regards
Comment 2 Uriel.home 2011-01-02 19:06:13 UTC 
> https://bugs.kde.org/show_bug.cgi?id=255173
> 
> Dario Andres <andresbajotierra@gmail.com> changed:
>            What    |Removed                     |Added
> 
> ---------------------------------------------------------------------------
> -
> 
>                  CC|                            |andresbajotierra@gmail.com
>             
>             Summary|Plasma desktop crashed      |Plasma desktop crashed
>             
>                    |after clicking "add plasma  |after clicking "add plasma
>                    |widgets"                    |widgets" [null
>                    |
>                    |                            |Kephal::Screen::geom,
>                    |                            |PlasmaApp::showController,
>                    |                            |PlasmaApp::showWidgetExplo
>                    |                            |r er]
> 
> --- Comment #1 from Dario Andres <andresbajotierra gmail com>  2011-01-01
> 18:10:41 --- [Comment from a bug triager]
> - Is this still happening with an updated KDE SC ? (4.5.4)
> Regards
> 
> --
> Configure bugmail: https://bugs.kde.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You reported the bug.

I cannot repeat this behavior because the widgets are always on Desktop when i 
reboot the system. It is still KDE SC 4.5.1 and Ubuntu didn't got the 
possibility to update to 4.5.4.

Regards
Comment 3 Nicolas L. 2011-01-08 14:47:27 UTC 
*** Bug 262514 has been marked as a duplicate of this bug. ***
Comment 5 Christoph Feck 2011-10-13 11:33:41 UTC 
*** Bug 283910 has been marked as a duplicate of this bug. ***