Application: PolicyKit1-KDE (polkit-kde-authentication-agent-1), signal: Segmentation fault [Current thread is 1 (Thread 0x7fe56907d760 (LWP 2274))] Thread 2 (Thread 0x7fe5587bf710 (LWP 2277)): #0 0x00007fe566af1f43 in poll () from /lib/libc.so.6 #1 0x00007fe564099134 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007fe564099a42 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00007fe564630d94 in ?? () from /usr/lib/libgio-2.0.so.0 #4 0x00007fe5640bfff6 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007fe564d3dcb0 in start_thread () from /lib/libpthread.so.0 #6 0x00007fe566afa7ad in clone () from /lib/libc.so.6 #7 0x0000000000000000 in ?? () Thread 1 (Thread 0x7fe56907d760 (LWP 2274)): [KCrash Handler] #6 0x00007fe56407e298 in g_datalist_id_set_data_full () from /usr/lib/libglib-2.0.so.0 #7 0x00007fe56434d13a in g_object_unref () from /usr/lib/libgobject-2.0.so.0 #8 0x00007fe5686686a0 in PolkitQt1::Agent::Listener::~Listener() () from /usr/lib/libpolkit-qt-agent-1.so.0 #9 0x0000000000407805 in _start ()