#0  0x00007efc785176b9 in syscall () from /lib64/libc.so.6
#1  0x00007efc796c20e1 in g_mutex_lock_slowpath (mutex=0x561292ee6618) at ../glib/gthread-posix.c:939
#2  0x00007efc796c2110 in g_mutex_lock_impl (mutex=mutex@entry=0x561292ee6618) at ../glib/gthread-posix.c:968
#3  0x00007efc7983e1ff in g_cancellable_disconnect (cancellable=0x561292ee6630, handler_id=44017) at ../gio/gcancellable.c:695
#4  g_cancellable_disconnect (cancellable=0x561292ee6630, handler_id=44017) at ../gio/gcancellable.c:685
#5  0x00007efc78996bdc in pk_client_state_dispose (object=0x5612921acf60) at ../lib/packagekit-glib2/pk-client.c:275
#6  0x00007efc797acdf5 in g_object_unref (_object=0x5612921acf60) at ../gobject/gobject.c:4372
#7  0x00007efc797bdf78 in signal_emit_valist_unlocked (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>)
    at ../gobject/gsignal.c:3571
#8  0x00007efc797be072 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../gobject/gsignal.c:3598
#9  0x00007efc797aa696 in object_bit_lock (object=0x561292ee6620, lock_bit=3) at ../gobject/gobject.c:255
#10 g_object_add_toggle_ref (object=0x561292ee6620, notify=0x1a, data=0x0) at ../gobject/gobject.c:4104
#11 g_object_add_toggle_ref (object=0x561292ee6620, notify=0x1a, data=0x0) at ../gobject/gobject.c:4091
#12 0x000056128fba66c0 in ?? ()
#13 0x00007efc68096e70 in ?? ()
#14 0x0000561290aa7510 in ?? ()
#15 0x0000561290aa7510 in ?? ()
#16 0x000056128c94899a in ?? ()
#17 0x000056128c948bc5 in ?? ()
#18 0x000056128c8fe9ee in ?? ()
#19 0x00007efc7979eab8 in g_closure_set_marshal (closure=0x561292ee6618, marshal=0x80) at ../gobject/gclosure.c:931
#20 0x00007fff30ed3f80 in ?? ()
#21 0x0000000000000000 in ?? ()