StacktraceTop: gcm_prefs_device_changed_cb (device=0x7f7f3f3b8b40, prefs=0x7f7f3f3870a0) at cc-color-panel.c:1879 _g_closure_invoke_va (closure=0x7f7f3f3a6900, return_value=0x0, instance=0x7f7f3f3b8b40, args=0x7fff7b558698, n_params=0, param_types=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gobject/gclosure.c:840 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3207 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3352 ?? () from /tmp/tmp21aXp6/usr/lib/x86_64-linux-gnu/libcolord.so.1
StacktraceTop: device_ changed_ cb (device= 0x7f7f3f3b8b40, prefs=0x7f7f3f3 870a0) at cc-color- panel.c: 1879 invoke_ va (closure= 0x7f7f3f3a6900, return_value=0x0, instance= 0x7f7f3f3b8b40, args=0x7fff7b55 8698, n_params=0, param_types= <optimized out>) at /build/ buildd/ glib2.0- 2.31.22/ ./gobject/ gclosure. c:840 emit_valist (instance= <optimized out>, signal_ id=<optimized out>, detail=0, var_args=<optimized out>) at /build/ buildd/ glib2.0- 2.31.22/ ./gobject/ gsignal. c:3207 <optimized out>, signal_ id=<optimized out>, detail=<optimized out>) at /build/ buildd/ glib2.0- 2.31.22/ ./gobject/ gsignal. c:3352 usr/lib/ x86_64- linux-gnu/ libcolord. so.1
gcm_prefs_
_g_closure_
g_signal_
g_signal_emit (instance=
?? () from /tmp/tmp21aXp6/