It's printing something to the command line. Can you include it please.
On 11 May 2017 23:48, <bugzilla_noreply@kde.org> wrote:

> Bug ID | 379736
> Summary | systemsettings5 crashes when running as other user with kdesu
> Product | systemsettings
> Version | 5.8.2
> Platform | openSUSE RPMs
> OS | Linux
> Status | UNCONFIRMED
> Keywords | drkonqi
> Severity | crash
> Priority | NOR
> Component | general
> Assignee | plasma-bugs@kde.org
> Reporter | kdereport@airmail.cc
> Target Milestone | ---

>     Application: systemsettings5 (5.8.2)

>     Qt Version: 5.6.1
>     Frameworks Version: 5.26.0
>     Operating System: Linux 4.4.62-18.6-default x86_64
>     Distribution: "openSUSE Leap 42.2"

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

>     -Normaly login as user1
>     -Run kdesu -u user2 systemsettings5
>     -Click any item. For example "Workspace theme"
>     -Thats it

>     The crash can be reproduced every time.

>     -- Backtrace:
>     Application: System Settings (systemsettings5), signal: Aborted
>     Using host libthread_db library "/lib64/libthread_db.so.1".
>     [Current thread is 1 (Thread 0x7efd7a430780 (LWP 7671))]

>     Thread 3 (Thread 0x7efd50d5f700 (LWP 7680)):
>     #0  0x00007efd71d5a855 in g_main_context_prepare () from
>     /usr/lib64/libglib-2.0.so.0
>     #1  0x00007efd71d5b230 in ?? () from /usr/lib64/libglib-2.0.so.0
>     #2  0x00007efd71d5b42c in g_main_context_iteration () from
>     /usr/lib64/libglib-2.0.so.0
>     #3  0x00007efd76a5132b in QEventDispatcherGlib::processEvents
>     (this=0x7efd4c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
>     #4  0x00007efd769fefdb in QEventLoop::exec (this=this@entry=0x7efd50d5ee30,
>     flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
>     #5  0x00007efd76839f1a in QThread::exec (this=<optimized out>) at
>     thread/qthread.cpp:500
>     #6  0x00007efd74ba29c8 in ?? () from /usr/lib64/libQt5Qml.so.5
>     #7  0x00007efd7683e9e9 in QThreadPrivate::start (arg=0x1ee32d0) at
>     thread/qthread_unix.cpp:341
>     #8  0x00007efd72278744 in start_thread () from /lib64/libpthread.so.0
>     #9  0x00007efd7614cd3d in clone () from /lib64/libc.so.6

>     Thread 2 (Thread 0x7efd5d569700 (LWP 7673)):
>     #0  0x00007efd76159802 in clock_gettime () from /lib64/libc.so.6
>     #1  0x00007efd768e9826 in qt_clock_gettime (ts=0x7efd5d568bb0, clock=<optimized
>     out>) at tools/qelapsedtimer_unix.cpp:105
>     #2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at
>     tools/qelapsedtimer_unix.cpp:156
>     #3  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
>     #4  0x00007efd76a4f989 in QTimerInfoList::updateCurrentTime
>     (this=this@entry=0x7efd58002ed0) at kernel/qtimerinfo_unix.cpp:84
>     #5  0x00007efd76a4ff05 in QTimerInfoList::timerWait (this=0x7efd58002ed0,
>     tm=...) at kernel/qtimerinfo_unix.cpp:381
>     #6  0x00007efd76a510fe in timerSourcePrepareHelper (timeout=0x7efd5d568c64,
>     src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:126
>     #7  timerSourcePrepare (source=<optimized out>, timeout=0x7efd5d568c64) at
>     kernel/qeventdispatcher_glib.cpp:159
>     #8  0x00007efd71d5a95d in g_main_context_prepare () from
>     /usr/lib64/libglib-2.0.so.0
>     #9  0x00007efd71d5b230 in ?? () from /usr/lib64/libglib-2.0.so.0
>     #10 0x00007efd71d5b42c in g_main_context_iteration () from
>     /usr/lib64/libglib-2.0.so.0
>     #11 0x00007efd76a5132b in QEventDispatcherGlib::processEvents
>     (this=0x7efd580008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
>     #12 0x00007efd769fefdb in QEventLoop::exec (this=this@entry=0x7efd5d568e20,
>     flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
>     #13 0x00007efd76839f1a in QThread::exec (this=<optimized out>) at
>     thread/qthread.cpp:500
>     #14 0x00007efd773541d5 in ?? () from /usr/lib64/libQt5DBus.so.5
>     #15 0x00007efd7683e9e9 in QThreadPrivate::start (arg=0x7efd775bcce0) at
>     thread/qthread_unix.cpp:341
>     #16 0x00007efd72278744 in start_thread () from /lib64/libpthread.so.0
>     #17 0x00007efd7614cd3d in clone () from /lib64/libc.so.6

>     Thread 1 (Thread 0x7efd7a430780 (LWP 7671)):
>     [KCrash Handler]
>     #4  0x00007efd760978d7 in raise () from /lib64/libc.so.6
>     #5  0x00007efd76098caa in abort () from /lib64/libc.so.6
>     #6  0x00007efd7682a37e in qt_message_fatal (context=..., message=<synthetic
>     pointer>) at global/qlogging.cpp:1648
>     #7  QMessageLogger::fatal (this=<optimized out>, msg=<optimized out>) at
>     global/qlogging.cpp:790
>     #8  0x00007efd756e0445 in ?? () from /usr/lib64/libQt5QuickWidgets.so.5
>     #9  0x00007efd756e076a in ?? () from /usr/lib64/libQt5QuickWidgets.so.5
>     #10 0x00007efd756e0f46 in QQuickWidget::resizeEvent(QResizeEvent*) () from
>     /usr/lib64/libQt5QuickWidgets.so.5
>     #11 0x00007efd785b596f in QWidget::event (this=0x223e5b0, event=0x7ffd771866d0)
>     at kernel/qwidget.cpp:8909
>     #12 0x00007efd78573e3c in QApplicationPrivate::notify_helper (this=<optimized
>     out>, receiver=0x223e5b0, e=0x7ffd771866d0) at kernel/qapplication.cpp:3804
>     #13 0x00007efd7857849a in QApplication::notify (this=0x7ffd771870e0,
>     receiver=0x223e5b0, e=0x7ffd771866d0) at kernel/qapplication.cpp:3561
>     #14 0x00007efd76a00fc5 in QCoreApplication::notifyInternal2
>     (receiver=receiver@entry=0x223e5b0, event=event@entry=0x7ffd771866d0) at
>     kernel/qcoreapplication.cpp:1015
>     #15 0x00007efd785aeb32 in QCoreApplication::sendEvent (event=0x7ffd771866d0,
>     receiver=0x223e5b0) at ../../src/corelib/kernel/qcoreapplication.h:225
>     #16 QWidgetPrivate::sendPendingMoveAndResizeEvents (this=this@entry=0x22d6d90,
>     recursive=recursive@entry=false, disableUpdates=<optimized out>,
>     disableUpdates@entry=false) at kernel/qwidget.cpp:7772
>     #17 0x00007efd785b23f3 in QWidgetPrivate::show_helper
>     (this=this@entry=0x22d6d90) at kernel/qwidget.cpp:7823
>     #18 0x00007efd785b5007 in QWidget::setVisible (this=0x223e5b0,
>     visible=<optimized out>) at kernel/qwidget.cpp:8178
>     #19 0x00007efd785b23a0 in QWidgetPrivate::showChildren
>     (this=this@entry=0x1eb03d0, spontaneous=spontaneous@entry=false) at
>     kernel/qwidget.cpp:8261
>     #20 0x00007efd785b240f in QWidgetPrivate::show_helper
>     (this=this@entry=0x1eb03d0) at kernel/qwidget.cpp:7829
>     #21 0x00007efd785b5007 in QWidget::setVisible (this=0x1f790e0,
>     visible=<optimized out>) at kernel/qwidget.cpp:8178
>     #22 0x00007efd785b4611 in QWidget::qt_static_metacall (_o=<optimized out>,
>     _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
>     .moc/moc_qwidget.cpp:397
>     #23 0x00007efd76a2c166 in QObject::event (this=this@entry=0x1f790e0,
>     e=e@entry=0x1eae190) at kernel/qobject.cpp:1256
>     #24 0x00007efd785b56cb in QWidget::event (this=0x1f790e0, event=0x1eae190) at
>     kernel/qwidget.cpp:9178
>     #25 0x00007efd78573e3c in QApplicationPrivate::notify_helper (this=<optimized
>     out>, receiver=0x1f790e0, e=0x1eae190) at kernel/qapplication.cpp:3804
>     #26 0x00007efd7857849a in QApplication::notify (this=0x7ffd771870e0,
>     receiver=0x1f790e0, e=0x1eae190) at kernel/qapplication.cpp:3561
>     #27 0x00007efd76a00fc5 in QCoreApplication::notifyInternal2
>     (receiver=0x1f790e0, event=event@entry=0x1eae190) at
>     kernel/qcoreapplication.cpp:1015
>     #28 0x00007efd76a02daa in QCoreApplication::sendEvent (event=0x1eae190,
>     receiver=<optimized out>) at kernel/qcoreapplication.h:225
>     #29 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
>     event_type=event_type@entry=0, data=0x1c89f20) at
>     kernel/qcoreapplication.cpp:1650
>     #30 0x00007efd76a03358 in QCoreApplication::sendPostedEvents
>     (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
>     kernel/qcoreapplication.cpp:1508
>     #31 0x00007efd76a51c83 in postEventSourceDispatch (s=0x1d16390) at
>     kernel/qeventdispatcher_glib.cpp:270
>     #32 0x00007efd71d5b134 in g_main_context_dispatch () from
>     /usr/lib64/libglib-2.0.so.0
>     #33 0x00007efd71d5b388 in ?? () from /usr/lib64/libglib-2.0.so.0
>     #34 0x00007efd71d5b42c in g_main_context_iteration () from
>     /usr/lib64/libglib-2.0.so.0
>     #35 0x00007efd76a5130c in QEventDispatcherGlib::processEvents (this=0x1d1a320,
>     flags=...) at kernel/qeventdispatcher_glib.cpp:417
>     #36 0x00007efd769fefdb in QEventLoop::exec (this=this@entry=0x7ffd77186fb0,
>     flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
>     #37 0x00007efd76a06ec6 in QCoreApplication::exec () at
>     kernel/qcoreapplication.cpp:1285
>     #38 0x000000000040ce27 in main (argc=1, argv=<optimized out>) at
>     /usr/src/debug/systemsettings-5.8.2/app/main.cpp:56

>     Possible duplicates by query: bug 350627.

>     Reported using DrKonqi

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