(gdb) bt #0 0x0000003ed300e4ed in read () from /lib64/libpthread.so.0 #1 0x0000003ed502c505 in ?? () from /lib64/libdbus-1.so.3 #2 0x0000003ed5023fd2 in ?? () from /lib64/libdbus-1.so.3 #3 0x0000003ed5024798 in ?? () from /lib64/libdbus-1.so.3 #4 0x0000003ed5022ab2 in ?? () from /lib64/libdbus-1.so.3 #5 0x0000003ed50100cc in ?? () from /lib64/libdbus-1.so.3 #6 0x0000003ed5024eba in dbus_watch_handle () from /lib64/libdbus-1.so.3 #7 0x00007f6a13f7ed89 in q_dbus_watch_handle (watch=0x26aa0d0, flags=1) at qdbus_symbols_p.h:183 #8 0x00007f6a13f8460b in QDBusConnectionPrivate::socketRead (this=0x26a59b0, fd=3) at qdbusintegrator.cpp:1142 #9 0x00007f6a13fce26d in QDBusConnectionPrivate::qt_metacall (this=0x26a59b0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fffb25f4e00) at .moc/release-shared/moc_qdbusconnection_p.cpp:99 #10 0x00007f6a146db893 in QMetaObject::metacall (object=0x26a59b0, cl= QMetaObject::InvokeMetaMethod, idx=8, argv=0x7fffb25f4e00) at kernel/qmetaobject.cpp:237 #11 0x00007f6a146f09df in QMetaObject::activate (sender=0x27198e0, m= 0x7f6a14a4f080, local_signal_index=0, argv=0x7fffb25f4e00) at kernel/qobject.cpp:3278 #12 0x00007f6a1474f3a2 in QSocketNotifier::activated (this=0x27198e0, _t1=3) at .moc/release-shared/moc_qsocketnotifier.cpp:89 #13 0x00007f6a146f879d in QSocketNotifier::event (this=0x27198e0, e= 0x7fffb25f50d0) at kernel/qsocketnotifier.cpp:317 #14 0x00007f6a146d3a16 in QCoreApplicationPrivate::notify_helper (this= 0x26e5260, receiver=0x27198e0, event=0x7fffb25f50d0) at kernel/qcoreapplication.cpp:866 #15 0x00007f6a146d37a1 in QCoreApplication::notify (this=0x7fffb25f57e0, receiver=0x27198e0, event=0x7fffb25f50d0) at kernel/qcoreapplication.cpp:812 #16 0x00007f6a146d3654 in QCoreApplication::notifyInternal (this= 0x7fffb25f57e0, receiver=0x27198e0, event=0x7fffb25f50d0) at kernel/qcoreapplication.cpp:731 #17 0x00007f6a146d7455 in QCoreApplication::sendEvent (receiver=0x27198e0, event=0x7fffb25f50d0) at kernel/qcoreapplication.h:215 #18 0x00007f6a1470b651 in socketNotifierSourceDispatch (source=0x26e9ae0) at kernel/qeventdispatcher_glib.cpp:110 #19 0x0000003ed3c38f0e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #20 0x0000003ed3c3c938 in ?? () from /lib64/libglib-2.0.so.0 #21 0x0000003ed3c3ca3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #22 0x00007f6a1470c40d in QEventDispatcherGlib::processEvents (this=0x26dc220, flags=...) at kernel/qeventdispatcher_glib.cpp:422 #23 0x00007f6a146d1778 in QEventLoop::processEvents (this=0x7fffb25f53b0, flags=...) at kernel/qeventloop.cpp:149 #24 0x00007f6a146d18ce in QEventLoop::exec (this=0x7fffb25f53b0, flags=...) at kernel/qeventloop.cpp:201 #25 0x00007f6a146d3d3c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008 #26 0x000000000053cbf4 in run_backend (cmdline=...) at main_helpers.cpp:789 #27 0x000000000045f22d in main (argc=6, argv=0x7fffb25f5a68) at main.cpp:184 (gdb)