Bug 391550

kubuntu: 16.04.4 LTS
kernel: 4.13.0-36-generic
KDE: 5.8.8
KDE frameworks: 5.36
Qt: 5.6.1


Thread 2 (Thread 0x7f8fa5d42700 (LWP 2076)):
[KCrash Handler]
#6  0x00007f8fc4c8a6c7 in QObject::disconnect(QObject const*, char const*, QObject const*, char const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8fc9cd3330 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f8fc9cc05f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f8fc4a85808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8fbd1da6ba in start_thread (arg=0x7f8fa5d42700) at pthread_create.c:333
#11 0x00007f8fc417d41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8fa96d3940 (LWP 2066)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8fc4a866bb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8fc4a853b6 in QThread::wait(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f8fc9cc0386 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#4  0x00007f8fc9cc0419 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#5  0x00007f8fc40afff8 in __run_exit_handlers (status=0, listp=0x7f8fc443a5f8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#6  0x00007f8fc40b0045 in __GI_exit (status=<optimized out>) at exit.c:104
#7  0x00007f8fc69c7b25 in KDBusService::KDBusService(QFlags<KDBusService::StartupOption>, QObject*) () from /usr/lib/x86_64-linux-gnu/libKF5DBusAddons.so.5
#8  0x0000000000411b75 in ?? ()
#9  0x00007f8fc4096830 in __libc_start_main (main=0x4116b0, argc=1, argv=0x7ffd0b1bfb18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd0b1bfb08) at ../csu/libc-start.c:291
#10 0x0000000000411da9 in _start ()