gnome_rr_screen_get_dpms_mode (screen=0x0, mode=0x7fffa06f207c, error=0x7fffa06f20c8) at gnome-rr.c:1157
gnome_rr_screen_set_dpms_mode (screen=0x0, mode=GNOME_RR_DPMS_ON, error=0x7fffa06f20c8) at gnome-rr.c:1241
idle_set_mode (manager=0x22a80c0, mode=<optimized out>) at gsd-power-manager.c:3030
idle_evaluate (manager=0x22a80c0) at gsd-power-manager.c:3200
_g_closure_invoke_va (closure=0x23067f0, return_value=0x0, instance=0x236c1c0, args=0x7fffa06f23d8, n_params=0, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:840