Application: PolicyKit1-KDE (polkit-kde-authentication-agent-1), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4b05698820 (LWP 1627))]

Thread 4 (Thread 0x7f4af3e32700 (LWP 1676)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f4affb925b4 in _L_lock_990 () from /lib/libpthread.so.0
#2  0x00007f4affb923ca in __pthread_mutex_lock (mutex=0x126f268) at pthread_mutex_lock.c:61
#3  0x00007f4b00dcf133 in g_main_context_prepare (context=0x126f260, priority=0x7f4af3e31d0c) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:2763
#4  0x00007f4b00dd0004 in g_main_context_iterate (context=0x126f260, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3071
#5  0x00007f4b00dd0a5a in g_main_loop_run (loop=0x126f240) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3299
#6  0x00007f4b008c5c74 in gdbus_shared_thread_func (data=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./gio/gdbusprivate.c:276
#7  0x00007f4b00df7394 in g_thread_create_proxy (data=0x126f340) at /build/buildd/glib2.0-2.28.1/./glib/gthread.c:1897
#8  0x00007f4affb8fd8c in start_thread (arg=0x7f4af3e32700) at pthread_create.c:304
#9  0x00007f4b02bfd17d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f4af2c12700 (LWP 6803)):
#0  0x00007f4b02bee4bd in write () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f4b00dd1998 in g_main_context_wakeup (context=0x126f260) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3757
#2  0x00007f4b00dd1b21 in child_watch_helper_thread (data=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:4308
#3  0x00007f4b00df7394 in g_thread_create_proxy (data=0x1276470) at /build/buildd/glib2.0-2.28.1/./glib/gthread.c:1897
#4  0x00007f4affb8fd8c in start_thread (arg=0x7f4af2c12700) at pthread_create.c:304
#5  0x00007f4b02bfd17d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4af09ff700 (LWP 6804)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f4affb925b4 in _L_lock_990 () from /lib/libpthread.so.0
#2  0x00007f4affb923ca in __pthread_mutex_lock (mutex=0x11b4a18) at pthread_mutex_lock.c:61
#3  0x00007f4b00dcf133 in g_main_context_prepare (context=0x11b4a10, priority=0x7f4af09fec1c) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:2763
#4  0x00007f4b00dd0004 in g_main_context_iterate (context=0x11b4a10, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3071
#5  0x00007f4b00dd06a9 in g_main_context_iteration (context=0x11b4a10, may_block=1) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3154
#6  0x00007f4b03fe1a96 in QEventDispatcherGlib::processEvents (this=0x129d830, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#7  0x00007f4b03fb5f02 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f4b03fb613c in QEventLoop::exec (this=0x7f4af09fed30, flags=...) at kernel/qeventloop.cpp:201
#9  0x00007f4b03ecd224 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#10 0x00007f4b03f9845f in QInotifyFileSystemWatcherEngine::run (this=0x11b6540) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f4b03ecf9de in QThreadPrivate::start (arg=0x11b6540) at thread/qthread_unix.cpp:285
#12 0x00007f4affb8fd8c in start_thread (arg=0x7f4af09ff700) at pthread_create.c:304
#13 0x00007f4b02bfd17d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4b05698820 (LWP 1627)):
[KCrash Handler]
#6  g_type_check_instance_is_a (type_instance=0x1121c60, iface_type=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./gobject/gtype.c:3957
#7  0x00007f4b00b4ba7b in g_object_unref (_object=0x1121c60) at /build/buildd/glib2.0-2.28.1/./gobject/gobject.c:2668
#8  0x00007f4b003f58fb in ?? () from /usr/lib/libpolkit-agent-1.so.0
#9  0x00007f4b00b4bbc4 in g_object_unref (_object=0x127a060) at /build/buildd/glib2.0-2.28.1/./gobject/gobject.c:2734
#10 0x00007f4b04a36be4 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#11 0x00007f4b04a36c29 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#12 0x00007f4b03fcaac8 in QObject::event (this=0x1658da0, e=<value optimized out>) at kernel/qobject.cpp:1202
#13 0x00007f4b0337c5c4 in QApplicationPrivate::notify_helper (this=0x111e6f0, receiver=0x1658da0, e=0x7f4aec000c50) at kernel/qapplication.cpp:4445
#14 0x00007f4b03380efa in QApplication::notify (this=<value optimized out>, receiver=0x1658da0, e=0x7f4aec000c50) at kernel/qapplication.cpp:4324
#15 0x00007f4b050926b6 in KApplication::notify (this=0x7fff19135480, receiver=0x1658da0, event=0x7f4aec000c50) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f4b03fb6b1c in QCoreApplication::notifyInternal (this=0x7fff19135480, receiver=0x1658da0, event=0x7f4aec000c50) at kernel/qcoreapplication.cpp:732
#17 0x00007f4b03fba2a5 in sendEvent (receiver=0x0, event_type=52, data=0x10fa7d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x10fa7d0) at kernel/qcoreapplication.cpp:1373
#19 0x00007f4b03fba58e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1016
#20 0x000000000040a573 in _start ()