Start plasma5 session ( sddm with autologin)
check coredumpctl entries drkonqi is shown

Version installed 
S | Name               | Type    | Version                                | Arch   | Repository
--+--------------------+---------+----------------------------------------+--------+-----------
i | drkonqi5           | package | 5.6.90git~20160526T140410~aa20144-50.1 | x86_64 | kuf
i | drkonqi5-debuginfo | package | 5.6.90git~20160526T140410~aa20144-50.1 | x86_64 | kuf


Reproducible: Always


Actual Results:  
backtrace

Expected Results:  
no backtrace

coredumpctl gdb 29441
           PID: 29441 (drkonqi)
           UID: 1502 (bruno)
           GID: 1500 (ioda)
        Signal: 6 (ABRT)
     Timestamp: Sun 2016-05-29 13:26:18 CEST (7h ago)
  Command Line: /usr/lib64/libexec/drkonqi -platform xcb -display :0 --appname kdeinit5 --kdeinit --apppath /usr/bin --signal 11 --pid 3300 --startupid 0 --restarted
    Executable: /usr/lib64/libexec/drkonqi
 Control Group: /user.slice/user-1502.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-1502.slice
       Session: 1
     Owner UID: 1502 (bruno)
       Boot ID: 647f6a3b06ad418d95c66aafef34f942
    Machine ID: 5796a69412fbda1c055a261856a26e81
      Hostname: qt-kt.labaroche.ioda.net
      Coredump: /var/lib/systemd/coredump/core.drkonqi.1502.647f6a3b06ad418d95c66aafef34f942.29441.1464521178000000.xz
       Message: Process 29441 (drkonqi) of user 1502 dumped core.

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Reading symbols from /usr/lib64/libexec/drkonqi...Reading symbols from /usr/lib/debug/usr/lib64/libexec/drkonqi.debug...done.
done.
[New LWP 29441]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/lib64/libexec/drkonqi -platform xcb -display :0 --appname kdeinit5 --kdein'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f95111bf908 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
54      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007f95111bf908 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007f95111c0d5a in __GI_abort () at abort.c:78
#2  0x00007f95119485ce in QMessageLogger::fatal(char const*, ...) const (context=..., message=<synthetic pointer>) at global/qlogging.cpp:1648
#3  0x00007f95119485ce in QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7ffceb2444b0, msg=msg@entry=0x7f9506d5ccc8 "QXcbConnection: Could not connect to display %s")
    at global/qlogging.cpp:790
#4  0x00007f9506cd53e0 in QXcbConnection::QXcbConnection(QXcbNativeInterface*, bool, unsigned int, char const*) (this=
    0x1757df0, nativeInterface=0x1757cf0, canGrabServer=<optimized out>, defaultVisualId=<optimized out>, displayName=0x7ffceb24533f ":0") at qxcbconnection.cpp:585
#5  0x00007f9506cda805 in QXcbIntegration::QXcbIntegration(QStringList const&, int&, char**) (this=<optimized out>, parameters=..., argc=@0x7ffceb244a8c: 13, argv=0x7ffceb244ce8)
    at qxcbintegration.cpp:179
#6  0x00007f9506fd54fd in QXcbIntegrationPlugin::create(QString const&, QStringList const&, int&, char**) (this=<optimized out>, system=..., parameters=..., argc=@0x7ffceb244a8c: 13, argv=0x7ffceb244ce8) at qxcbmain.cpp:50
#7  0x00007f951206317b in QPlatformIntegrationFactory::create(QString const&, QStringList const&, int&, char**, QString const&) (argv=0x7ffceb244ce8, argc=@0x7ffceb244a8c: 13, parameters=..., key=..., loader=<optimized out>) at kernel/qplatformintegrationfactory.cpp:56
#8  0x00007f951206317b in QPlatformIntegrationFactory::create(QString const&, QStringList const&, int&, char**, QString const&) (platform=..., paramList=..., argc=@0x7ffceb244a8c: 13, argv=argv@entry=0x7ffceb244ce8, platformPluginPath=...) at kernel/qplatformintegrationfactory.cpp:73
#9  0x00007f9512070a83 in QGuiApplicationPrivate::createPlatformIntegration() (argv=<optimized out>, argc=<optimized out>, platformThemeName=..., platformPluginPath=..., pluginArgument=...)
    at kernel/qguiapplication.cpp:1058
#10 0x00007f9512070a83 in QGuiApplicationPrivate::createPlatformIntegration() (this=0x173ddf0) at kernel/qguiapplication.cpp:1227
#11 0x00007f951207187d in QGuiApplicationPrivate::createEventDispatcher() (this=<optimized out>) at kernel/qguiapplication.cpp:1244
#12 0x00007f9511b2b646 in QCoreApplicationPrivate::init() (this=this@entry=0x173ddf0) at kernel/qcoreapplication.cpp:814
#13 0x00007f9512072f6b in QGuiApplicationPrivate::init() (this=this@entry=0x173ddf0) at kernel/qguiapplication.cpp:1267
#14 0x00007f951284edb9 in QApplicationPrivate::init() (this=0x173ddf0) at kernel/qapplication.cpp:578
#15 0x000000000041db36 in main(int, char**) (argc=13, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.6.90git~20160526T140410~aa20144/drkonqi/main.cpp:60
(gdb)