Bug 317766

Application: kcmshell4 (4.10.1)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.0-16-generic x86_64
Distribution: Ubuntu Raring Ringtail (development branch)

-- Information about the crash:
the time keeps moving up 4 hours i try to adjust it back to the right time and it says it was unable to get exclusive lock

The crash can be reproduced sometimes.

-- 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 0x7fc4ef99f7c0 (LWP 2684))]

Thread 3 (Thread 0x7fc4d42c3700 (LWP 2685)):
#0  0x00007fc4eaa0a077 in __GI___pthread_mutex_lock (mutex=0x270e310) at pthread_mutex_lock.c:95
#1  0x00007fc4e9f2a5c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc4e9eea7d5 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc4e9eeb0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc4e9eeb6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc4d45b34f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fc4e9f0eeb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fc4eaa07f8e in start_thread (arg=0x7fc4d42c3700) at pthread_create.c:311
#8  0x00007fc4ef2dae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fc4d2a58700 (LWP 2686)):
#0  0x00007fc4ef2e9088 in pthread_mutex_lock (mutex=0x7fc4c0000a60) at forward.c:192
#1  0x00007fc4e9f2a5c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc4e9eea7d5 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc4e9eeb0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc4e9eeb304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc4edef2036 in QEventDispatcherGlib::processEvents (this=0x7fc4c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fc4edec238f in QEventLoop::processEvents (this=this@entry=0x7fc4d2a57d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fc4edec2618 in QEventLoop::exec (this=0x7fc4d2a57d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fc4eddc4410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007fc4edea3edf in QInotifyFileSystemWatcherEngine::run (this=0x2b021c0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007fc4eddc6bec in QThreadPrivate::start (arg=0x2b021c0) at thread/qthread_unix.cpp:338
#11 0x00007fc4eaa07f8e in start_thread (arg=0x7fc4d2a58700) at pthread_create.c:311
#12 0x00007fc4ef2dae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fc4ef99f7c0 (LWP 2684)):
[KCrash Handler]
#6  0x0000000100000011 in ?? ()
#7  0x00007fc4ededb6a3 in QObject::connect (sender=0x2fe4f40, signal=0x7fc4edf9f11d "timeout()", receiver=0x2882f80, method=0x7fc4de5e8e7c "load()", type=Qt::AutoConnection) at kernel/qobject.cpp:2587
#8  0x00007fc4edee0e1a in QSingleShotTimer::QSingleShotTimer (this=0x2fe4f40, msec=5000, receiver=0x2882f80, member=0x7fc4de5e8e7b "1load()") at kernel/qtimer.cpp:300
#9  0x00007fc4edee0f66 in QTimer::singleShot (msec=5000, receiver=0x2882f80, member=0x7fc4de5e8e7b "1load()") at kernel/qtimer.cpp:363
#10 0x00007fc4de5e74b6 in ?? () from /usr/lib/kde4/kcm_clock.so
#11 0x00007fc4eefc3807 in KCModuleProxy::save (this=<optimized out>) at ../../kutils/kcmoduleproxy.cpp:279
#12 0x00007fc4eefbfb60 in KCMultiDialogPrivate::apply (this=<optimized out>) at ../../kutils/kcmultidialog.cpp:300
#13 0x00007fc4eded80ef in QMetaObject::activate (sender=0x26ba300, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffdfd4f930) at kernel/qobject.cpp:3539
#14 0x00007fc4eec4aa5f in KPushButton::authorized (this=<optimized out>, _t1=0x255a170) at ./kpushbutton.moc:143
#15 0x00007fc4eded80ef in QMetaObject::activate (sender=0x26ba300, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffdfd4fa80) at kernel/qobject.cpp:3539
#16 0x00007fc4ed8d4c82 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#17 0x00007fc4ed62823e in QAbstractButtonPrivate::emitClicked (this=this@entry=0x26bee90) at widgets/qabstractbutton.cpp:548
#18 0x00007fc4ed628a30 in QAbstractButtonPrivate::click (this=this@entry=0x26bee90) at widgets/qabstractbutton.cpp:541
#19 0x00007fc4ed628c9c in QAbstractButton::mouseReleaseEvent (this=0x26ba300, e=0x7fffdfd50320) at widgets/qabstractbutton.cpp:1123
#20 0x00007fc4ed2b6a89 in QWidget::event (this=0x26ba300, event=0x7fffdfd50320) at kernel/qwidget.cpp:8375
#21 0x00007fc4ed2698ec in QApplicationPrivate::notify_helper (this=this@entry=0x2503630, receiver=receiver@entry=0x26ba300, e=e@entry=0x7fffdfd50320) at kernel/qapplication.cpp:4567
#22 0x00007fc4ed26ca33 in QApplication::notify (this=<optimized out>, receiver=0x26ba300, e=0x7fffdfd50320) at kernel/qapplication.cpp:4110
#23 0x00007fc4eeb87af6 in KApplication::notify (this=0x7fffdfd51140, receiver=0x26ba300, event=0x7fffdfd50320) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x00007fc4edec363e in QCoreApplication::notifyInternal (this=0x7fffdfd51140, receiver=0x26ba300, event=0x7fffdfd50320) at kernel/qcoreapplication.cpp:946
#25 0x00007fc4ed26f933 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QApplicationPrivate::sendMouseEvent (receiver=0x26ba300, event=0x7fffdfd50320, alienWidget=0x26ba300, nativeWidget=0x26acf40, buttonDown=0x7fc4edd47308 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3178
#27 0x00007fc4ed2e4ec4 in QETWidget::translateMouseEvent (this=this@entry=0x26acf40, event=event@entry=0x7fffdfd50aa0) at kernel/qapplication_x11.cpp:4631
#28 0x00007fc4ed2e3ef1 in QApplication::x11ProcessEvent (this=0x7fffdfd51140, event=0x7fffdfd50aa0) at kernel/qapplication_x11.cpp:3746
#29 0x00007fc4ed30f0b2 in x11EventSourceDispatch (s=0x2504fe0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#30 0x00007fc4e9eeaf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fc4e9eeb248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fc4e9eeb304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fc4edef2016 in QEventDispatcherGlib::processEvents (this=0x24df610, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#34 0x00007fc4ed30f1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007fc4edec238f in QEventLoop::processEvents (this=this@entry=0x7fffdfd50e80, flags=...) at kernel/qeventloop.cpp:149
#36 0x00007fc4edec2618 in QEventLoop::exec (this=0x7fffdfd50e80, flags=...) at kernel/qeventloop.cpp:204
#37 0x00007fc4ed7241c8 in QDialog::exec (this=0x26acf40) at dialogs/qdialog.cpp:554
#38 0x00007fc4ef5b0b1c in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kcmshell4.so
#39 0x00007fc4ef202ea5 in __libc_start_main (main=0x4006d0, argc=2, ubp_av=0x7fffdfd51278, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffdfd51268) at libc-start.c:260
#40 0x0000000000400701 in _start ()

Possible duplicates by query: bug 317640, bug 317517, bug 317472, bug 317310, bug 317253.

Reported using DrKonqi