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: change login screen

- Unusual behavior I noticed: in the background the screen turned black and the panel started to move upward; then the crashreport window appeared.

-- Backtrace:
Application: Plasma-werkgebied (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7783720 (LWP 1359))]

Thread 2 (Thread 0xae9b9b70 (LWP 1365)):
#0  0x0045a3eb in pthread_mutex_lock () from /lib/libpthread.so.0
#1  0x001edf76 in pthread_mutex_lock () from /lib/libc.so.6
#2  0x01528b68 in g_main_context_check () from /lib/libglib-2.0.so.0
#3  0x0152945e in ?? () from /lib/libglib-2.0.so.0
#4  0x01529848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x02ec559f in QEventDispatcherGlib::processEvents (this=0x91788a0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#6  0x02e95609 in QEventLoop::processEvents (this=0xae9b9280, flags=) at kernel/qeventloop.cpp:149
#7  0x02e95a8a in QEventLoop::exec (this=0xae9b9280, flags=...) at kernel/qeventloop.cpp:201
#8  0x02d91b7e in QThread::exec (this=0x92b5968) at thread/qthread.cpp:490
#9  0x02e7435b in QInotifyFileSystemWatcherEngine::run (this=0x92b5968) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x02d94df9 in QThreadPrivate::start (arg=0x92b5968) at thread/qthread_unix.cpp:266
#11 0x00457cc9 in start_thread () from /lib/libpthread.so.0
#12 0x001e06ae in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7783720 (LWP 1359)):
[KCrash Handler]
#7  0x0472faba in QGraphicsProxyWidget::widget (this=0xa2d2ea8) at graphicsview/qgraphicsproxywidget.cpp:736
#8  0x0087093d in Plasma::TreeView::model (this=0xa2d2ea8) at ../../plasma/widgets/treeview.cpp:66
#9  0x02c760d9 in WeatherApplet::weatherContent (this=0xa293a10, data=...) at ../../../applets/weather/weatherapplet.cpp:655
#10 0x02c7caae in WeatherApplet::dataUpdated (this=0xa293a10, source=..., data=...) at ../../../applets/weather/weatherapplet.cpp:758
#11 0x02c71ec7 in WeatherApplet::qt_metacall (this=0xa293a10, _c=QMetaObject::InvokeMetaMethod, _id=81, _a=0xbfd650e4) at ./weatherapplet.moc:81
#12 0x02e9c8ca in QMetaObject::metacall (object=0xa293a10, cl=170474000, idx=81, argv=0xbfd650e4) at kernel/qmetaobject.cpp:237
#13 0x02eaf6ad in QMetaObject::activate (sender=0x9f298a0, m=0x92ea64, local_signal_index=0, argv=0x1) at kernel/qobject.cpp:3280
#14 0x007af839 in Plasma::SignalRelay::dataUpdated (this=0x9f298a0, _t1=..., _t2=...) at ./datacontainer_p.moc:85
#15 0x007af9fe in Plasma::SignalRelay::checkQueueing (this=0x9f298a0) at ../../plasma/private/datacontainer_p.cpp:115
#16 0x0076e033 in Plasma::DataContainer::checkForUpdate (this=0x9e1bac0) at ../../plasma/datacontainer.cpp:172
#17 0x00772ef6 in Plasma::DataEngine::timerEvent (this=0x9df4090, event=0xbfd65720) at ../../plasma/dataengine.cpp:388
#18 0x02ea9504 in QObject::event (this=0x9df4090, e=0xa2fce60) at kernel/qobject.cpp:1183
#19 0x0406cfdc in QApplicationPrivate::notify_helper (this=0x8ae6ac8, receiver=0x9df4090, e=0xbfd65720) at kernel/qapplication.cpp:4396
#20 0x0407304e in QApplication::notify (this=0x8adb748, receiver=0x9df4090, e=0xbfd65720) at kernel/qapplication.cpp:3798
#21 0x010fb68a in KApplication::notify (this=0x8adb748, receiver=0x9df4090, event=0xbfd65720) at ../../kdeui/kernel/kapplication.cpp:310
#22 0x02e96b3b in QCoreApplication::notifyInternal (this=0x8adb748, receiver=0x9df4090, event=0xbfd65720) at kernel/qcoreapplication.cpp:732
#23 0x02ec8ad6 in sendEvent (this=0x8ae987c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QTimerInfoList::activateTimers (this=0x8ae987c) at kernel/qeventdispatcher_unix.cpp:602
#25 0x02ec5874 in timerSourceDispatch (source=0x8ae9848) at kernel/qeventdispatcher_glib.cpp:184
#26 0x01525855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#27 0x01529668 in ?? () from /lib/libglib-2.0.so.0
#28 0x01529848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#29 0x02ec5565 in QEventDispatcherGlib::processEvents (this=0x8ac4ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#30 0x0412ebe5 in QGuiEventDispatcherGlib::processEvents (this=0x8ac4ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x02e95609 in QEventLoop::processEvents (this=0xbfd659e4, flags=) at kernel/qeventloop.cpp:149
#32 0x02e95a8a in QEventLoop::exec (this=0xbfd659e4, flags=...) at kernel/qeventloop.cpp:201
#33 0x02e9a00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#34 0x0406be07 in QApplication::exec () at kernel/qapplication.cpp:3672
#35 0x00eee86e in kdemain (argc=1, argv=0xbfd65bf4) at ../../../../plasma/desktop/shell/main.cpp:118
#36 0x080485bb in main (argc=1, argv=0xbfd65bf4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 255473, bug 255297, bug 255240, bug 254763, bug 254417.

Reported using DrKonqi