Plasma crash when clicking on plasmoid to get focus

[Shawn Starr]

kcrash stackdump:

I've been noticing this randomly, but now it is becoming more regular. I can reproduce this if I click on the weather plasmoid, blank area with data loaded then it crashes plasma. Focus problem?

Application: Plasma Workspace (plasma), signal SIGSEGV
[Current thread is 1 (Thread 0xb7eef700 (LWP 7564))]

Thread 3 (Thread 0xb67fcb90 (LWP 7565)):
#0  0x00132416 in __kernel_vsyscall ()
#1  0x05a4e095 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x014d7252 in QWaitConditionPrivate::wait () at thread/qwaitcondition_unix.cpp:82
#3  QWaitCondition::wait (this=0x831b1e8, mutex=0x831b1e4, time=4294967295) at thread/qwaitcondition_unix.cpp:154
#4  0x018b4ea7 in RenderThread::run () from /usr/local/kde4/lib/kde4/plasma_wallpaper_image.so
#5  0x014d64c0 in QThreadPrivate::start (arg=0x831b1dc) at thread/qthread_unix.cpp:185
#6  0x05a4a51f in start_thread (arg=0xb67fcb90) at pthread_create.c:297
#7  0x02ad00de in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb4b6eb90 (LWP 7566)):
#0  0x00132416 in __kernel_vsyscall ()
#1  0x05a4e095 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x014d7252 in QWaitConditionPrivate::wait () at thread/qwaitcondition_unix.cpp:82
#3  QWaitCondition::wait (this=0x8416220, mutex=0x841621c, time=4294967295) at thread/qwaitcondition_unix.cpp:154
#4  0x06be4c4a in QHostInfoAgent::run (this=0x8416210) at kernel/qhostinfo.cpp:241
#5  0x014d64c0 in QThreadPrivate::start (arg=0x8416210) at thread/qthread_unix.cpp:185
#6  0x05a4a51f in start_thread (arg=0xb4b6eb90) at pthread_create.c:297
#7  0x02ad00de in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7eef700 (LWP 7564)):
[KCrash Handler]
#6  0x02149aed in QGraphicsItem::clearFocus (this=0x868bc10) at graphicsview/qgraphicsitem.cpp:1954
#7  0x0218c6b4 in QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting (this=0x86bf538, newParent=0x0) at graphicsview/qgraphicswidget_p.cpp:586
#8  0x0218b30b in QGraphicsWidget::itemChange (this=0x868e3b8, change=QGraphicsItem::ItemParentChange, value=@0xbfe17f80) at graphicsview/qgraphicswidget.cpp:935
#9  0x001ff321 in Plasma::Applet::itemChange () from /usr/local/kde4/lib/libplasma.so.3
#10 0x021532f4 in QGraphicsItem::setParentItem (this=0x868e3c0, parent=0x897f308) at graphicsview/qgraphicsitem.cpp:973
#11 0x00258d65 in Plasma::AppletHandle::AppletHandle () from /usr/local/kde4/lib/libplasma.so.3
#12 0x002240c4 in Plasma::Containment::sceneEventFilter () from /usr/local/kde4/lib/libplasma.so.3
#13 0x02169de7 in QGraphicsScenePrivate::filterEvent (this=0x82f6df8, item=0x868e3c0, event=0xbfe18304) at graphicsview/qgraphicsscene.cpp:1010
#14 0x02169ea3 in QGraphicsScenePrivate::sendEvent (this=0x82f6df8, item=0x868e3c0, event=0xbfe18304) at graphicsview/qgraphicsscene.cpp:1028
#15 0x0216b6d6 in QGraphicsScenePrivate::sendHoverEvent (this=0x82f6df8, type=QEvent::GraphicsSceneHoverEnter, item=0x868e3c0, hoverEvent=0xbfe183fc) at graphicsview/qgraphicsscene.cpp:1077
#16 0x02170953 in QGraphicsScenePrivate::dispatchHoverEvent (this=0x82f6df8, hoverEvent=0xbfe183fc) at graphicsview/qgraphicsscene.cpp:3420
#17 0x02170ccf in QGraphicsScene::mouseMoveEvent (this=0x82b8c20, mouseEvent=0xbfe18860) at graphicsview/qgraphicsscene.cpp:3566
#18 0x02170ecf in QGraphicsScene::event (this=0x82b8c20, event=0xbfe18860) at graphicsview/qgraphicsscene.cpp:2960
#19 0x01c4a3ac in QApplicationPrivate::notify_helper (this=0x82654c0, receiver=0x82b8c20, e=0xbfe18860) at kernel/qapplication.cpp:3803
#20 0x01c5148e in QApplication::notify (this=0x8247b78, receiver=0x82b8c20, e=0xbfe18860) at kernel/qapplication.cpp:3393
#21 0x00e12ec9 in KApplication::notify () from /usr/local/kde4/lib/libkdeui.so.5
#22 0x015b1031 in QCoreApplication::notifyInternal (this=0x8247b78, receiver=0x82b8c20, event=0xbfe18860) at kernel/qcoreapplication.cpp:583
#23 0x0217ca23 in QCoreApplication::sendEvent () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:209
#24 QGraphicsViewPrivate::mouseMoveEventHandler (this=0x8535988, event=0xbfe18fac) at graphicsview/qgraphicsview.cpp:565
#25 0x02184086 in QGraphicsView::mouseMoveEvent (this=0x85350b0, event=0xbfe18fac) at graphicsview/qgraphicsview.cpp:2748
#26 0x01c9ca70 in QWidget::event (this=0x85350b0, event=0xbfe18fac) at kernel/qwidget.cpp:7148
#27 0x01f8a273 in QFrame::event (this=0x85350b0, e=0xbfe18fac) at widgets/qframe.cpp:651
#28 0x0201432f in QAbstractScrollArea::viewportEvent (this=0x85350b0, e=0x86bf538) at widgets/qabstractscrollarea.cpp:943
#29 0x0217e91f in QGraphicsView::viewportEvent (this=0x85350b0, event=0xbfe18fac) at graphicsview/qgraphicsview.cpp:2337
#30 0x02016755 in QAbstractScrollAreaPrivate::viewportEvent () at widgets/qabstractscrollarea_p.h:96
#31 QAbstractScrollAreaFilter::eventFilter (this=0x8536d70, o=0x8536508, e=0xbfe18fac) at widgets/qabstractscrollarea_p.h:107
#32 0x015b023a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x82654c0, receiver=0x8536508, event=0xbfe18fac) at kernel/qcoreapplication.cpp:694
#33 0x01c4a38a in QApplicationPrivate::notify_helper (this=0x82654c0, receiver=0x8536508, e=0xbfe18fac) at kernel/qapplication.cpp:3799
#34 0x01c51e17 in QApplication::notify (this=0x8247b78, receiver=0x8536508, e=0xbfe18fac) at kernel/qapplication.cpp:3528
#35 0x00e12ec9 in KApplication::notify () from /usr/local/kde4/lib/libkdeui.so.5
#36 0x015b1031 in QCoreApplication::notifyInternal (this=0x8247b78, receiver=0x8536508, event=0xbfe18fac) at kernel/qcoreapplication.cpp:583
#37 0x01c5110e in QCoreApplication::sendSpontaneousEvent (event=<value optimized out>, receiver=0x8536508) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:212
#38 QApplicationPrivate::sendMouseEvent (receiver=0x8536508, event=0xbfe18fac, alienWidget=0x8536508, nativeWidget=0x85350b0, buttonDown=0x2283c70, lastMouseReceiver=@0x2283c74)
    at kernel/qapplication.cpp:2793
#39 0x01caf6cf in QETWidget::translateMouseEvent (this=0x85350b0, event=0xbfe1948c) at kernel/qapplication_x11.cpp:4042
#40 0x01caeb25 in QApplication::x11ProcessEvent (this=0x8247b78, event=0xbfe1948c) at kernel/qapplication_x11.cpp:3038
#41 0x01cd5892 in x11EventSourceDispatch (s=0x8268330, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:142
#42 0x03261218 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x032648c3 in ?? () from /lib/libglib-2.0.so.0
#44 0x03264a81 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x015d7758 in QEventDispatcherGlib::processEvents (this=0x8247868, flags={i = 4}) at kernel/qeventdispatcher_glib.cpp:319
#46 0x01cd5085 in QGuiEventDispatcherGlib::processEvents (this=0x8247868, flags={i = 4}) at kernel/qguieventdispatcher_glib.cpp:198
#47 0x015af79a in QEventLoop::processEvents (this=0xbfe196e0, flags={i = 4}) at kernel/qeventloop.cpp:143
#48 0x015af95a in QEventLoop::exec (this=0xbfe196e0, flags={i = 0}) at kernel/qeventloop.cpp:190
#49 0x015b1bdd in QCoreApplication::exec () at kernel/qcoreapplication.cpp:845
#50 0x01c4a227 in QApplication::exec () at kernel/qapplication.cpp:3331
#51 0x00157885 in kdemain () from /usr/local/kde4/lib/libkdeinit4_plasma.so
#52 0x08048806 in main ()