Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.8.0
Operating System: Linux 3.2.3-2.fc16.i686.PAE i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
Started PC normally . Used yum to update (to kernel-PAE.i686 0:3.2.3-2.fc16 and firefox.i686 0:10.0-2.fc16). Now login to KDE causes crashdump and there is no taskbar.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb7739780 (LWP 1768))]

Thread 3 (Thread 0xaf933b40 (LWP 1769)):
#0  0x4dac5001 in __GI_clock_gettime (clock_id=1, tp=0xaf932f68) at ../sysdeps/unix/clock_gettime.c:116
#1  0x4e81be06 in do_gettime (frac=0xaf932f60, sec=0xaf932f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x4e905bf7 in QTimerInfoList::updateCurrentTime (this=0xaf001abc) at kernel/qeventdispatcher_unix.cpp:343
#4  0x4e905f5b in QTimerInfoList::timerWait (this=0xaf001abc, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x4e9047a3 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaf93306c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x4e90483d in timerSourcePrepare (source=0xaf001a88, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x4db68c4c in g_main_context_prepare (context=0xaf0004e0, priority=0xaf9330c8) at gmain.c:2762
#8  0x4db69a08 in g_main_context_iterate (context=0xaf0004e0, block=1, dispatch=1, self=0xaf000d70) at gmain.c:3069
#9  0x4db6a01f in g_main_context_iteration (context=0xaf0004e0, may_block=1) at gmain.c:3152
#10 0x4e905317 in QEventDispatcherGlib::processEvents (this=0xaf000468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x4e8d14ee in QEventLoop::processEvents (this=0xaf933200, flags=...) at kernel/qeventloop.cpp:149
#12 0x4e8d1799 in QEventLoop::exec (this=0xaf933200, flags=...) at kernel/qeventloop.cpp:204
#13 0x4e7b9b2c in QThread::exec (this=0x8b03758) at thread/qthread.cpp:501
#14 0x4e8ae35e in QInotifyFileSystemWatcherEngine::run (this=0x8b03758) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x4e7bd0b1 in QThreadPrivate::start (arg=0x8b03758) at thread/qthread_unix.cpp:298
#16 0x4da7dcd3 in start_thread (arg=0xaf933b40) at pthread_create.c:309
#17 0x4d9b483e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 2 (Thread 0xaef86b40 (LWP 1770)):
#0  0x4dac5001 in __GI_clock_gettime (clock_id=1, tp=0xaef85f68) at ../sysdeps/unix/clock_gettime.c:116
#1  0x4e81be06 in do_gettime (frac=0xaef85f60, sec=0xaef85f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x4e905bf7 in QTimerInfoList::updateCurrentTime (this=0xae6018bc) at kernel/qeventdispatcher_unix.cpp:343
#4  0x4e905f5b in QTimerInfoList::timerWait (this=0xae6018bc, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x4e9047a3 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaef8606c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x4e90483d in timerSourcePrepare (source=0xae601888, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x4db68c4c in g_main_context_prepare (context=0xae6004e0, priority=0xaef860c8) at gmain.c:2762
#8  0x4db69a08 in g_main_context_iterate (context=0xae6004e0, block=1, dispatch=1, self=0xae600d70) at gmain.c:3069
#9  0x4db6a01f in g_main_context_iteration (context=0xae6004e0, may_block=1) at gmain.c:3152
#10 0x4e905317 in QEventDispatcherGlib::processEvents (this=0xae600468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x4e8d14ee in QEventLoop::processEvents (this=0xaef86200, flags=...) at kernel/qeventloop.cpp:149
#12 0x4e8d1799 in QEventLoop::exec (this=0xaef86200, flags=...) at kernel/qeventloop.cpp:204
#13 0x4e7b9b2c in QThread::exec (this=0x8af4978) at thread/qthread.cpp:501
#14 0x4e8ae35e in QInotifyFileSystemWatcherEngine::run (this=0x8af4978) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x4e7bd0b1 in QThreadPrivate::start (arg=0x8af4978) at thread/qthread_unix.cpp:298
#16 0x4da7dcd3 in start_thread (arg=0xaef86b40) at pthread_create.c:309
#17 0x4d9b483e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 1 (Thread 0xb7739780 (LWP 1768)):
[KCrash Handler]
#7  ref (this=0x21) at ../../src/corelib/arch/qatomic_i386.h:120
#8  QString::operator= (this=0x893c73c, other=...) at tools/qstring.cpp:1406
#9  0xb4fa911e in Marble::WorldClock::init (this=0x893c6f0) at /usr/src/debug/marble-4.7.4/src/plasmoid/worldclock.cpp:119
#10 0x4472c227 in Plasma::ContainmentPrivate::initApplets (this=0x8760410) at /usr/src/debug/kdelibs-4.7.4/plasma/containment.cpp:463
#11 0x44743309 in Plasma::CoronaPrivate::importLayout (this=0x858ab98, conf=..., mergeConfig=false) at /usr/src/debug/kdelibs-4.7.4/plasma/corona.cpp:1066
#12 0x447441db in Plasma::Corona::loadLayout (this=0x84850b0, configName=...) at /usr/src/debug/kdelibs-4.7.4/plasma/corona.cpp:278
#13 0x447442af in Plasma::Corona::initializeLayout (this=0x84850b0, configName=...) at /usr/src/debug/kdelibs-4.7.4/plasma/corona.cpp:181
#14 0x41e9e233 in PlasmaApp::corona (this=0x8475878) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/plasmaapp.cpp:831
#15 0x41e9e5ad in PlasmaApp::setupDesktop (this=0x8475878) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/plasmaapp.cpp:312
#16 0x41e9fed1 in qt_static_metacall (_a=0x855afe8, _id=14, _o=0x8475878, _c=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/i686-redhat-linux-gnu/plasma/desktop/shell/plasmaapp.moc:119
#17 PlasmaApp::qt_static_metacall (_o=0x8475878, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x855afe8) at /usr/src/debug/kde-workspace-4.7.4/i686-redhat-linux-gnu/plasma/desktop/shell/plasmaapp.moc:97
#18 0x4e8e4752 in QMetaCallEvent::placeMetaCall (this=0x85686c0, object=0x8475878) at kernel/qobject.cpp:525
#19 0x4e8ed42b in QObject::event (this=0x8475878, e=0x85686c0) at kernel/qobject.cpp:1195
#20 0x4e8d2c3b in QCoreApplication::event (this=0x8475878, e=0x85686c0) at kernel/qcoreapplication.cpp:1688
#21 0x434a22fe in QApplication::event (this=0x8475878, e=0x85686c0) at kernel/qapplication.cpp:2532
#22 0x4349e134 in notify_helper (e=0x85686c0, receiver=0x8475878, this=0x8484798) at kernel/qapplication.cpp:4550
#23 QApplicationPrivate::notify_helper (this=0x8484798, receiver=0x8475878, e=0x85686c0) at kernel/qapplication.cpp:4522
#24 0x434a35d3 in QApplication::notify (this=0x85686c0, receiver=0x8475878, e=0x85686c0) at kernel/qapplication.cpp:4279
#25 0x4403f972 in KApplication::notify (this=0x8475878, receiver=0x8475878, event=0x85686c0) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#26 0x4e8d25fe in QCoreApplication::notifyInternal (this=0x8475878, receiver=0x8475878, event=0x85686c0) at kernel/qcoreapplication.cpp:876
#27 0x4e8d6558 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x843b1c8) at kernel/qcoreapplication.cpp:1500
#29 0x4e8d688d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#30 0x4e904eb5 in sendPostedEvents () at kernel/qcoreapplication.h:236
#31 postEventSourceDispatch (s=0x8488388) at kernel/qeventdispatcher_glib.cpp:279
#32 0x4db6962f in g_main_dispatch (context=0x84895e8) at gmain.c:2441
#33 g_main_context_dispatch (context=0x84895e8) at gmain.c:3011
#34 0x4db69d70 in g_main_context_iterate (context=0x84895e8, block=1303873552, dispatch=1, self=0x84870a8) at gmain.c:3089
#35 0x4db6a01f in g_main_context_iteration (context=0x84895e8, may_block=1) at gmain.c:3152
#36 0x4e9052b8 in QEventDispatcherGlib::processEvents (this=0x843bd30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0x43552a9b in QGuiEventDispatcherGlib::processEvents (this=0x843bd30, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#38 0x4e8d14ee in QEventLoop::processEvents (this=0xbf9945d4, flags=...) at kernel/qeventloop.cpp:149
#39 0x4e8d1799 in QEventLoop::exec (this=0xbf9945d4, flags=...) at kernel/qeventloop.cpp:204
#40 0x4e8d693b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#41 0x4349bf35 in QApplication::exec () at kernel/qapplication.cpp:3811
#42 0x41e81b36 in kdemain (argc=1, argv=0xbf9947d4) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/main.cpp:120
#43 0x0804873c in main (argc=1, argv=0xbf9947d4) at /usr/src/debug/kde-workspace-4.7.4/i686-redhat-linux-gnu/plasma/desktop/shell/plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 293391, bug 290275, bug 289229, bug 286533, bug 281408.

Reported using DrKonqi