Application: kcmshell4 (4.12.3)
KDE Platform Version: 4.12.3
Qt Version: 4.8.2
Operating System: Linux 3.11.0-19-generic x86_64
Distribution: Ubuntu 12.04.4 LTS

-- Information about the crash:
- What I was doing when the application crashed:

1. right clicking time display -> Adjust Date and Time
2. check Set date and time automatically
3. click Apply, click OK
4. crash

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa1b000e780 (LWP 1860))]

Thread 3 (Thread 0x7fa1905ea700 (LWP 1861)):
#0  0x00007fa1ab1f6f69 in __pthread_mutex_lock (mutex=0x2645830) at pthread_mutex_lock.c:92
#1  0x00007fa1aa5115b1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa1aa4d5811 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa1aa4d5f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa1aa4d645a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa1908d35e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fa1aa4f79b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fa1ab1f4e9a in start_thread (arg=0x7fa1905ea700) at pthread_create.c:308
#8  0x00007fa1af9483fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa18f3a6700 (LWP 1862)):
#0  0x00007fa1ab1f805d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7fa180000a80) at pthread_mutex_unlock.c:290
#2  0x00007fa1aa5115e1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa1aa4d594b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa1aa4d5f6a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa1aa4d6124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fa1ae52b926 in QEventDispatcherGlib::processEvents (this=0x7fa1800008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007fa1ae4fae62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fa1ae4fb0b7 in QEventLoop::exec (this=0x7fa18f3a5dd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fa1ae3fa077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007fa1ae4dab6f in QInotifyFileSystemWatcherEngine::run (this=0x23b3a20) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007fa1ae3fd09b in QThreadPrivate::start (arg=0x23b3a20) at thread/qthread_unix.cpp:307
#12 0x00007fa1ab1f4e9a in start_thread (arg=0x7fa18f3a6700) at pthread_create.c:308
#13 0x00007fa1af9483fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa1b000e780 (LWP 1860)):
[KCrash Handler]
#6  0x0000000900000008 in ?? ()
#7  0x00007fa1ae5120f2 in QObject::connect (sender=0x2367ca0, signal=<optimized out>, receiver=0x24a4020, method=0x7fa1a0e6396d "load()", type=Qt::AutoConnection) at kernel/qobject.cpp:2588
#8  0x00007fa1ae519e5a in QSingleShotTimer::QSingleShotTimer (this=0x2367ca0, msec=5000, receiver=0x24a4020, member=0x7fa1a0e6396c "1load()") at kernel/qtimer.cpp:300
#9  0x00007fa1ae51a00e in QTimer::singleShot (msec=5000, receiver=0x24a4020, member=0x7fa1a0e6396c "1load()") at kernel/qtimer.cpp:363
#10 0x00007fa1a0e61df7 in KclockModule::save (this=0x24a4020) at ../../../kcontrol/dateandtime/main.cpp:113
#11 0x00007fa1af634ab7 in KCModuleProxy::save (this=<optimized out>) at ../../kutils/kcmoduleproxy.cpp:280
#12 0x00007fa1af631900 in KCMultiDialogPrivate::apply (this=<optimized out>) at ../../kutils/kcmultidialog.cpp:300
#13 0x00007fa1ae510781 in QMetaObject::activate (sender=0x2284f30, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff523a2040) at kernel/qobject.cpp:3547
#14 0x00007fa1af2b088f in KPushButton::authorized (this=<optimized out>, _t1=0x250e390) at ./kpushbutton.moc:143
#15 0x00007fa1ae510781 in QMetaObject::activate (sender=0x2284f30, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff523a2190) at kernel/qobject.cpp:3547
#16 0x00007fa1adf0e432 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#17 0x00007fa1adc4bece in QAbstractButtonPrivate::emitClicked (this=<optimized out>) at widgets/qabstractbutton.cpp:548
#18 0x00007fa1adc4d20b in QAbstractButtonPrivate::click (this=0x2321ef0) at widgets/qabstractbutton.cpp:541
#19 0x00007fa1adc4d47c in QAbstractButton::mouseReleaseEvent (this=0x2284f30, e=0x7fff523a2a60) at widgets/qabstractbutton.cpp:1123
#20 0x00007fa1ad8cdfb4 in QWidget::event (this=0x2284f30, event=0x7fff523a2a60) at kernel/qwidget.cpp:8371
#21 0x00007fa1ad87d7b4 in notify_helper (e=0x7fff523a2a60, receiver=0x2284f30, this=0x21c6250) at kernel/qapplication.cpp:4556
#22 QApplicationPrivate::notify_helper (this=0x21c6250, receiver=0x2284f30, e=0x7fff523a2a60) at kernel/qapplication.cpp:4528
#23 0x00007fa1ad882f2f in QApplication::notify (this=<optimized out>, receiver=0x2284f30, e=0x7fff523a2a60) at kernel/qapplication.cpp:4099
#24 0x00007fa1af1e21d6 in KApplication::notify (this=0x7fff523a3780, receiver=0x2284f30, event=0x7fff523a2a60) at ../../kdeui/kernel/kapplication.cpp:311
#25 0x00007fa1ae4fc32c in QCoreApplication::notifyInternal (this=0x7fff523a3780, receiver=0x2284f30, event=0x7fff523a2a60) at kernel/qcoreapplication.cpp:915
#26 0x00007fa1ad87e782 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#27 QApplicationPrivate::sendMouseEvent (receiver=0x2284f30, event=0x7fff523a2a60, alienWidget=0x2284f30, nativeWidget=0x2285490, buttonDown=0x2284f30, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#28 0x00007fa1ad8fdb15 in QETWidget::translateMouseEvent (this=0x2285490, event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#29 0x00007fa1ad8fcace in QApplication::x11ProcessEvent (this=0x7fff523a3780, event=0x7fff523a3330) at kernel/qapplication_x11.cpp:3732
#30 0x00007fa1ad926052 in x11EventSourceDispatch (s=0x21b9c70, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007fa1aa4d5d13 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fa1aa4d6060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fa1aa4d6124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fa1ae52b8bf in QEventDispatcherGlib::processEvents (this=0x21c4a30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00007fa1ad925cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007fa1ae4fae62 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007fa1ae4fb0b7 in QEventLoop::exec (this=0x7fff523a36d0, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007fa1add4df86 in QDialog::exec (this=0x2285490) at dialogs/qdialog.cpp:554
#39 0x00007fa1afc1bf7c in kdemain (_argc=<optimized out>, _argv=<optimized out>) at ../../kcmshell/main.cpp:297
#40 0x00007fa1af87576d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=2, ubp_av=0x7fff523a3fb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff523a3fa8) at libc-start.c:226
#41 0x0000000000400671 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 242648.

Possible duplicates by query: bug 332080, bug 331454, bug 331247, bug 331112, bug 330892.

Reported using DrKonqi