[kde] [Bug 339310] New: kcmshell4 segfaults on window close when used for "audio video settings"

[Dmitry]

https://bugs.kde.org/show_bug.cgi?id=339310

            Bug ID: 339310
           Summary: kcmshell4 segfaults on window close when used for
                    "audio video settings"
           Product: kde
           Version: 4.14.0
          Platform: Debian testing
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kernins at gmail.com

/usr/bin/kcmshell4 kcm_phonon constantly crashes on window close, 100%
reproducible for me.
But other applets like powerdevilactivitiesconfig or powerdevilglobalconfig
works as expected, and so does "audio video settings" when launched from system
settings.

Actions performed in the app doesn't matter, reproducible with simple
open-close pattern.
KDE 4.14.0, SysSettings 4.11.11


Reproducible: Always

Steps to Reproduce:
1. /usr/bin/kcmshell4 kcm_phonon
2. close the window
3. enjoy sigsegv

Actual Results:  
Kmix -> settings -> audio setup - always crash
direct launch from lancelot launcher or terminal - always crash
system settings -> multimedia - works as expected


Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#5  __GI___pthread_mutex_lock (mutex=0xc02800) at
../nptl/pthread_mutex_lock.c:66
#6  0x00007f48307645e7 in XrmDestroyDatabase () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#7  0x00007f483074bcd3 in _XFreeDisplayStructure () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#8  0x00007f4830738e5f in XCloseDisplay () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#9  0x00007f48313c1b7a in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#10 0x00007f48313541f5 in QApplication::~QApplication() () from
/usr/lib/x86_64-linux-gnu/libQtGui.so.4
#11 0x00007f483375d689 in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kcmshell4.so
#12 0x00007f48333ceb45 in __libc_start_main (main=0x4006e0, argc=2,
argv=0x7fff1994d408, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff1994d3f8) at libc-start.c:287
#13 0x000000000040070e in _start ()

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