[kde] [Bug 362164] New: kde crash on access via xrdp and vnc4server

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=362164

            Bug ID: 362164
           Summary: kde crash on access via xrdp and vnc4server
           Product: kde
           Version: 4.14.1
          Platform: Debian stable
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: wowo121 at gmx.de

A Debian 8 system was established first with Gnome 3 as default desktop
environment, then I switched to KDE. Then I installed xrdp 0.612 and vnc4server
4.11 from the standard Debian repository to access the system by a Windows 7
computer via Remote Desktop Protocol. In  "etc/xrdp/startwm.sh", the default
line ". /etc/X11/Xsession", that would start Gnome,  was replaced by "startkde"
to ensure also rdp users see the KDE desktop. Indeed, KDE was loaded, but
produced a failure dialog box. Nevertheless, after closing the failure dialog
box, KDE seems to work fine (except 3 unusual icons in the system tray).

Reproducible: Always

Steps to Reproduce:
1. Installation of xrdp 0.612 and vnc4server 4.11
2. Replacement of default line ". /etc/X11/Xsession" by "startkde" in
"etc/xrdp/startwm.sh"
3. Rdp access from Windows 7 to xrdp (module "sesman-xvnc")

Actual Results:  
KDE starts with normal desktop, but also failure dialog box at the upper
margin. After closing this failure dialog box, KDE seems to work fine. Despite
of 3 unusual icons in the system tray, no differences in behavior were noted so
far as compared to non-remote access.

Expected Results:  
KDE starts without failure dialog box and with normal system tray icons.

Failure dialog box content:

Application: KDE-Dienst (kded4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007fe8b13e099a in ?? () from
/usr/lib/x86_64-linux-gnu/kde4/plugins/kscreen/1/KSC_XRandR11.so
#7  0x00007fe8b1a477b5 in KScreenDaemon::monitorConnectedChange() () from
/usr/lib/kde4/kded_kscreen.so
#8  0x00007fe8b1a47e5f in KScreenDaemon::KScreenDaemon(QObject*,
QList<QVariant> const&) () from /usr/lib/kde4/kded_kscreen.so
#9  0x00007fe8b1a48968 in ?? () from /usr/lib/kde4/kded_kscreen.so
#10 0x00007fe8ce3b1a93 in KPluginFactory::create(char const*, QWidget*,
QObject*, QList<QVariant> const&, QString const&) () from
/usr/lib/libkdecore.so.5
#11 0x00007fe8b817e080 in ?? () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#12 0x00007fe8b817e9f9 in ?? () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#13 0x00007fe8b817f20e in ?? () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#14 0x00007fe8b817f293 in ?? () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#15 0x00007fe8b81819cd in ?? () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#16 0x00007fe8cec146ca in ?? () from /usr/lib/libkdeui.so.5
#17 0x00007fe8cec147ad in ?? () from /usr/lib/libkdeui.so.5
#18 0x00007fe8cec149b3 in ?? () from /usr/lib/libkdeui.so.5
#19 0x00007fe8cb15d6c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#20 0x00007fe8cb15e859 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#21 0x00007fe8cb15f2f0 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#22 0x00007fe8cb15f47b in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#23 0x00007fe8cde3ce11 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x00007fe8cd1797a3 in QApplication::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#25 0x00007fe8cd17448c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#26 0x00007fe8cd17afa8 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007fe8cec0d1aa in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#28 0x00007fe8cde2371d in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#29 0x00007fe8cde26fc1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x00007fe8cde52bd3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007fe8c98bdc5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fe8c98bdf48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fe8c98bdffc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fe8cde52d1d in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#35 0x00007fe8cd218f96 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#36 0x00007fe8cde22271 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#37 0x00007fe8cde225d5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#38 0x00007fe8cde28059 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#39 0x00007fe8b8180349 in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kded4.so
#40 0x00000000004084b0 in _start ()

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