[systemsettings] [Bug 331454] New: Enabling the use of NTP server crashes the dialog on exit

Joonas Koivunen joonas.koivunen at gmail.com
Mon Feb 24 10:35:34 GMT 2014 

https://bugs.kde.org/show_bug.cgi?id=331454

            Bug ID: 331454
           Summary: Enabling the use of NTP server crashes the dialog on
                    exit
    Classification: Unclassified
           Product: systemsettings
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: joonas.koivunen at gmail.com

Application: kcmshell4 ()
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-58-generic x86_64
Distribution: Ubuntu 12.04.4 LTS

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

Checking the use NTP checkbox.

100% reproducable when NTP is not enabled:

1. Right click time widget on the right hand side bottom corner
2. Select "Adjust Date and Time..."
3. Check the "Set date and time automatically" box, use default ntp pool server
4. Close the dialog with "OK"

A bit later a error message box appears: "Unable to authenticate/execute the
action 6.", "OK"'ing that causes the crash handler to appear.

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 0x7fd82e2f4780 (LWP 3073))]

Thread 3 (Thread 0x7fd812fea700 (LWP 3074)):
#0  0x00007fd8294c9f69 in pthread_mutex_lock () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fd8287e45b1 in g_mutex_lock (mutex=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gthread-posix.c:208
#2  0x00007fd8287a8811 in g_main_context_prepare (context=0xd61400,
priority=0x7fd812fe9de8) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:2838
#3  0x00007fd8287a8f1b in g_main_context_iterate (dispatch=1, block=1,
context=0xd61400, self=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3126
#4  g_main_context_iterate (context=0xd61400, block=1, dispatch=1,
self=<optimized out>) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3083
#5  0x00007fd8287a945a in g_main_loop_run (loop=0xd613b0) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3340
#6  0x00007fd8132d35e6 in gdbus_shared_thread_func (user_data=<optimized out>)
at /build/buildd/glib2.0-2.32.4/./gio/gdbusprivate.c:277
#7  0x00007fd8287ca9b5 in g_thread_proxy (data=0xd5df20) at
/build/buildd/glib2.0-2.32.4/./glib/gthread.c:801
#8  0x00007fd8294c7e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fd82dc203fd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd81198b700 (LWP 3075)):
#0  0x00007fd82dc14a43 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fd8287a8ff6 in g_main_context_poll (n_fds=1, fds=0x7fd800001ba0,
timeout=-1, context=0x7fd8000009a0, priority=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3440
#2  g_main_context_iterate (dispatch=1, block=<optimized out>,
context=0x7fd8000009a0, self=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3141
#3  g_main_context_iterate (context=0x7fd8000009a0, block=<optimized out>,
dispatch=1, self=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3083
#4  0x00007fd8287a9124 in g_main_context_iteration (context=0x7fd8000009a0,
may_block=1) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3207
#5  0x00007fd82c806426 in QEventDispatcherGlib::processEvents
(this=0x7fd8000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fd82c7d5c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fd82c7d5ed7 in QEventLoop::exec (this=0x7fd81198add0, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007fd82c6d4fa7 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007fd82c7b59ff in QInotifyFileSystemWatcherEngine::run (this=0xbbbd30)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fd82c6d7fcb in QThreadPrivate::start (arg=0xbbbd30) at
thread/qthread_unix.cpp:298
#11 0x00007fd8294c7e9a in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fd82dc203fd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd82e2f4780 (LWP 3073)):
[KCrash Handler]
#6  QObject::connect (sender=0x11f45a0, signal=<optimized out>,
receiver=0x8f0450, method=0x7fd81d0833f1 "load()", type=Qt::AutoConnection) at
kernel/qobject.cpp:2588
#7  0x00007fd82c7f495a in QSingleShotTimer::QSingleShotTimer (this=0x11f45a0,
msec=5000, receiver=0x8f0450, member=0x7fd81d0833f0 "1load()") at
kernel/qtimer.cpp:300
#8  0x00007fd82c7f4b0e in QTimer::singleShot (msec=5000, receiver=0x8f0450,
member=0x7fd81d0833f0 "1load()") at kernel/qtimer.cpp:363
#9  0x00007fd81d081840 in ?? () from /usr/lib/kde4/kcm_clock.so
#10 0x00007fd82d90c997 in KCModuleProxy::save() () from
/usr/lib/libkcmutils.so.4
#11 0x00007fd82d909890 in ?? () from /usr/lib/libkcmutils.so.4
#12 0x00007fd82c7eb281 in QMetaObject::activate (sender=0x8b73c0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff626126f0) at
kernel/qobject.cpp:3547
#13 0x00007fd82d5875ef in KPushButton::authorized(KAuth::Action*) () from
/usr/lib/libkdeui.so.5
#14 0x00007fd82c7eb281 in QMetaObject::activate (sender=0x8b73c0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff62612840) at
kernel/qobject.cpp:3547
#15 0x00007fd82c1e9cb2 in QAbstractButton::clicked (this=<optimized out>,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#16 0x00007fd82bf27a8e in QAbstractButtonPrivate::emitClicked (this=<optimized
out>) at widgets/qabstractbutton.cpp:548
#17 0x00007fd82bf28dcb in QAbstractButtonPrivate::click (this=0x87d910) at
widgets/qabstractbutton.cpp:541
#18 0x00007fd82bf2903c in QAbstractButton::mouseReleaseEvent (this=0x8b73c0,
e=0x7fff62613110) at widgets/qabstractbutton.cpp:1123
#19 0x00007fd82bbaa144 in QWidget::event (this=0x8b73c0, event=0x7fff62613110)
at kernel/qwidget.cpp:8362
#20 0x00007fd82bb59894 in notify_helper (e=0x7fff62613110, receiver=0x8b73c0,
this=0x6eee40) at kernel/qapplication.cpp:4559
#21 QApplicationPrivate::notify_helper (this=0x6eee40, receiver=0x8b73c0,
e=0x7fff62613110) at kernel/qapplication.cpp:4531
#22 0x00007fd82bb5f0bf in QApplication::notify (this=<optimized out>,
receiver=0x8b73c0, e=0x7fff62613110) at kernel/qapplication.cpp:4102
#23 0x00007fd82d4b93f6 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#24 0x00007fd82c7d6e9c in QCoreApplication::notifyInternal
(this=0x7fff62613e30, receiver=0x8b73c0, event=0x7fff62613110) at
kernel/qcoreapplication.cpp:876
#25 0x00007fd82bb5a862 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QApplicationPrivate::sendMouseEvent (receiver=0x8b73c0,
event=0x7fff62613110, alienWidget=0x8b73c0, nativeWidget=0x86f7a0,
buttonDown=0x8b73c0, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3170
#27 0x00007fd82bbd9c35 in QETWidget::translateMouseEvent (this=0x86f7a0,
event=<optimized out>) at kernel/qapplication_x11.cpp:4619
#28 0x00007fd82bbd8bee in QApplication::x11ProcessEvent (this=0x7fff62613e30,
event=0x7fff626139e0) at kernel/qapplication_x11.cpp:3734
#29 0x00007fd82bc02112 in x11EventSourceDispatch (s=0x6f3070, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#30 0x00007fd8287a8d13 in g_main_dispatch (context=0x6f1e00) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:2539
#31 g_main_context_dispatch (context=0x6f1e00) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3075
#32 0x00007fd8287a9060 in g_main_context_iterate (dispatch=1, block=<optimized
out>, context=0x6f1e00, self=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3146
#33 g_main_context_iterate (context=0x6f1e00, block=<optimized out>,
dispatch=1, self=<optimized out>) at
/build/buildd/glib2.0-2.32.4/./glib/gmain.c:3083
#34 0x00007fd8287a9124 in g_main_context_iteration (context=0x6f1e00,
may_block=1) at /build/buildd/glib2.0-2.32.4/./glib/gmain.c:3207
#35 0x00007fd82c806426 in QEventDispatcherGlib::processEvents (this=0x6cd770,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#36 0x00007fd82bc01d9e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007fd82c7d5c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#38 0x00007fd82c7d5ed7 in QEventLoop::exec (this=0x7fff62613d80, flags=...) at
kernel/qeventloop.cpp:204
#39 0x00007fd82c029976 in QDialog::exec (this=0x86f7a0) at
dialogs/qdialog.cpp:554
#40 0x00007fd82def3d2c in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kcmshell4.so
#41 0x00007fd82db4d76d in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#42 0x0000000000400671 in _start ()

Possible duplicates by query: bug 331247, bug 331112, bug 330892, bug 330464,
bug 330294.

Reported using DrKonqi

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