Plasma crashed while trying to notify an event

[sputnik]

In the situation plasma was in the background, while a torrent in ktorrent had finished. The notification about this event seems to have caused a crash plasma.

kdebase-plasma:
  installierte Version: 4:4.2.2-0ubuntu1~intrepid1

Anwendung: Plasma-Arbeitsfläche (plasma), Signal SIGSEGV
[Current thread is 0 (LWP 7778)]

Thread 5 (Thread 0xa9613b90 (LWP 7779)):
#0 0xb7f11430 in __kernel_vsyscall ()
#1 0xb57b0075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb6379bbd in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3 0xb65636f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4 0xb78bf532 in ?? () from /usr/lib/libQtNetwork.so.4
#5 0xb65626ae in ?? () from /usr/lib/libQtCore.so.4
#6 0xb57ac50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7 0xb636ba0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 4 (Thread 0xa68ffb90 (LWP 7794)):
#0 0xb7f11430 in __kernel_vsyscall ()
#1 0xb6363df1 in select () from /lib/tls/i686/cmov/libc.so.6
#2 0xb6632150 in ?? () from /usr/lib/libQtCore.so.4
#3 0xb65626ae in ?? () from /usr/lib/libQtCore.so.4
#4 0xb57ac50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5 0xb636ba0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xa8abeb90 (LWP 7796)):
#0 0xb7f11430 in __kernel_vsyscall ()
#1 0xb57b0075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb6379bbd in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3 0xb65636f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4 0xa9bbdc8a in RenderThread::run (this=0x8987104) at /build/buildd/kdebase-workspace-4.2.2/plasma/wallpapers/image/renderthread.cpp:91
#5 0xb65626ae in ?? () from /usr/lib/libQtCore.so.4
#6 0xb57ac50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7 0xb636ba0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa5cffb90 (LWP 32404)):
#0 0xb7f11430 in __kernel_vsyscall ()
#1 0xb57b0075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb6379bbd in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3 0xb65636f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4 0xa9bbdc8a in RenderThread::run (this=0x89ab78c) at /build/buildd/kdebase-workspace-4.2.2/plasma/wallpapers/image/renderthread.cpp:91
#5 0xb65626ae in ?? () from /usr/lib/libQtCore.so.4
#6 0xb57ac50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7 0xb636ba0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb53296c0 (LWP 7778)):
[KCrash Handler]
#6 0xb6990661 in QImage::scanLine () from /usr/lib/libQtGui.so.4
#7 0xb696d640 in QWidgetPrivate::setWindowIcon_sys () from /usr/lib/libQtGui.so.4
#8 0xb693849b in QWidget::create () from /usr/lib/libQtGui.so.4
#9 0xb693dfee in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#10 0xb6eb1346 in ?? () from /usr/lib/libQtGui.so.4
#11 0xb6eb1753 in QGraphicsProxyWidget::setWidget () from /usr/lib/libQtGui.so.4
#12 0xb7db518b in Plasma::Label::Label () from /usr/lib/libplasma.so.3
#13 0xb7d57ad3 in ?? () from /usr/lib/libplasma.so.3
#14 0xb7d57ca9 in Plasma::Extender::itemRemovedEvent () from /usr/lib/libplasma.so.3
#15 0xb7d58742 in ?? () from /usr/lib/libplasma.so.3
#16 0xb7d5df38 in Plasma::ExtenderItem::destroy () from /usr/lib/libplasma.so.3
#17 0xa9c4bf94 in NotificationWidgetPrivate::destroy (this=0x8b26af8) at /build/buildd/kdebase-workspace-4.2.2/plasma/applets/systemtray/ui/notificationwidget.cpp:220
#18 0xa9c4c020 in NotificationWidget::qt_metacall (this=0x9e9ea68, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfe1307c)
    at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/plasma/applets/systemtray/notificationwidget.moc:68
#19 0xb6667a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#20 0xb6667e60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#21 0xa9c3173b in SystemTray::Notification::destroyed (this=0x97e99b8, _t1=0x97e99b8) at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/plasma/applets/systemtray/notification.moc:96
#22 0xa9c320a1 in ~Notification (this=0x97e99b8) at /build/buildd/kdebase-workspace-4.2.2/plasma/applets/systemtray/core/notification.cpp:62
#23 0xa9c3f2e9 in ~DBusNotification (this=0x97e99b8) at /build/buildd/kdebase-workspace-4.2.2/plasma/applets/systemtray/protocols/notifications/dbusnotification.cpp:38
#24 0xb6660dec in qDeleteInEventHandler () from /usr/lib/libQtCore.so.4
#25 0xb66627a3 in QObject::event () from /usr/lib/libQtCore.so.4
#26 0xb68e28ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#27 0xb68ea72e in QApplication::notify () from /usr/lib/libQtGui.so.4
#28 0xb76492ad in KApplication::notify (this=0x85fa1d8, receiver=0x97e99b8, event=0x9efa820) at /build/buildd/kde4libs-4.2.2/kdeui/kernel/kapplication.cpp:307
#29 0xb6652e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#30 0xb6653ae5 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#31 0xb6653cdd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#32 0xb667d82f in ?? () from /usr/lib/libQtCore.so.4
#33 0xb55f1718 in IA__g_main_context_dispatch (context=0x85fd040) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2144
#34 0xb55f4dc3 in g_main_context_iterate (context=0x85fd040, block=1, dispatch=1, self=0x85fa9c0) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2778
#35 0xb55f4f81 in IA__g_main_context_iteration (context=0x85fd040, may_block=1) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2841
#36 0xb667d478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#37 0xb697cea5 in ?? () from /usr/lib/libQtGui.so.4
#38 0xb665152a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb66516ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#40 0xb6653da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#41 0xb68e2767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#42 0xb7e918d6 in kdemain (argc=1, argv=0xbfe138e4) at /build/buildd/kdebase-workspace-4.2.2/plasma/shells/desktop/main.cpp:54
#43 0x08048712 in main (argc=) at /build/buildd/kdebase-workspace-4.2.2/obj-i486-linux-gnu/plasma/shells/desktop/plasma_qgv_dummy.cpp:3

[Jonathan Thomas (echidnaman)]

This is the same crash as bug 342407, just with different circumstances.