Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 2.6.34.10-0.2-desktop i686
Distribution: "openSUSE 11.3 (i586)"

-- Information about the crash:
After upgrading to 4.7.3 my plasma desktop crashed unexpectedly after clicking the tab that was already active.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1e3f710 (LWP 4072))]

Thread 2 (Thread 0xaaedab70 (LWP 4073)):
#0  0xb2dfd22b in clock_gettime () from /lib/librt.so.1
#1  0xb635aab5 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb642e776 in updateCurrentTime (this=0x8770a94, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x8770a94, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb642cfab in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaaeda11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb642d04d in timerSourcePrepare (source=0x8770a60, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2d510c0 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#8  0xb2d51f22 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0xb2d5260e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#10 0xb642d7f7 in QEventDispatcherGlib::processEvents (this=0x8770590, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb63fe21d in QEventLoop::processEvents (this=0xaaeda2b0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb63fe449 in QEventLoop::exec (this=0xaaeda2b0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb62fcfb9 in QThread::exec (this=0x877d1b8) at thread/qthread.cpp:498
#14 0xb63ddc3d in QInotifyFileSystemWatcherEngine::run (this=0x877d1b8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb62ffc03 in QThreadPrivate::start (arg=0x877d1b8) at thread/qthread_unix.cpp:331
#16 0xb6283b25 in start_thread () from /lib/libpthread.so.0
#17 0xb764d34e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb1e3f710 (LWP 4072)):
[KCrash Handler]
#7  isNull (this=0x855dd10) at /usr/include/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x855dd10) at /usr/include/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0x855dd10) at /usr/src/debug/kde-workspace-4.7.3/libs/taskmanager/taskitem.cpp:113
#10 0xb08ad8a2 in WindowTaskItem::publishIconGeometry (this=0x855eb98) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0xb08bcf80 in AbstractTaskItem::timerEvent (this=0x855eb98, event=0xbffef43c) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0xb6414484 in QObject::event (this=0x855eb98, e=0xbffef43c) at kernel/qobject.cpp:1190
#13 0xb5fd0414 in QGraphicsWidget::event (this=0x855eb98, event=0xbffef43c) at graphicsview/qgraphicswidget.cpp:1455
#14 0xb58f1624 in QApplicationPrivate::notify_helper (this=0x80a8c80, receiver=0x855eb98, e=0xbffef43c) at kernel/qapplication.cpp:4481
#15 0xb58fa3e7 in QApplication::notify (this=0x808a8e8, receiver=0x855eb98, e=0xbffef43c) at kernel/qapplication.cpp:3881
#16 0xb6a8d951 in KApplication::notify (this=0x808a8e8, receiver=0x855eb98, event=0xbffef43c) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#17 0xb63fef3e in QCoreApplication::notifyInternal (this=0x808a8e8, receiver=0x855eb98, event=0xbffef43c) at kernel/qcoreapplication.cpp:787
#18 0xb64303be in sendEvent (this=0x80a4234) at kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x80a4234) at kernel/qeventdispatcher_unix.cpp:618
#20 0xb642d0b5 in timerSourceDispatch (source=0x80a4268) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=0x80a4268) at kernel/qeventdispatcher_glib.cpp:231
#22 0xb2d51b49 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#23 0xb2d52350 in ?? () from /usr/lib/libglib-2.0.so.0
#24 0xb2d5260e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#25 0xb642d7ab in QEventDispatcherGlib::processEvents (this=0x8053b50, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#26 0xb59a881a in QGuiEventDispatcherGlib::processEvents (this=0x8053b50, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0xb63fe21d in QEventLoop::processEvents (this=0xbffef6e4, flags=...) at kernel/qeventloop.cpp:149
#28 0xb63fe449 in QEventLoop::exec (this=0xbffef6e4, flags=...) at kernel/qeventloop.cpp:201
#29 0xb6402ef0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0xb58ef324 in QApplication::exec () at kernel/qapplication.cpp:3755
#31 0xb772c68b in kdemain (argc=1, argv=0xbffef904) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/shell/main.cpp:120
#32 0x0804862b in main (argc=1, argv=0xbffef904) at /usr/src/debug/kde-workspace-4.7.3/build/plasma/desktop/shell/plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 285979, bug 285964, bug 285913, bug 285368, bug 277548.

Reported using DrKonqi