Comment # 2 on bug 1116778 from Frank Kunz

Yes, I can confirm that this is the missing package. But now I step into the
next issue:

sc-controller                                                                   

(process:2531): Gtk-CRITICAL **: 19:29:54.290: gtk_icon_theme_get_for_screen:
assertion 'GDK_IS_SCREEN (screen)' failed                                  
Invalid MIT-MAGIC-COOKIE-1 keyInvalid MIT-MAGIC-COOKIE-1 keyTraceback (most
recent call last):                                                           
  File "/usr/lib64/python2.7/site-packages/scc/gui/app.py", line 853, in
do_startup                                                                      
    self.setup_widgets()
  File "/usr/lib64/python2.7/site-packages/scc/gui/app.py", line 88, in
setup_widgets                                                                   
    self.builder.connect_signals(self)
ValueError: Pointer arguments are restricted to integers, capsules, and None.
See: https://bugzilla.gnome.org/show_bug.cgi?id=683599                     
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/scc/gui/app.py", line 826, in
on_daemon_dead                                                                  
    self.set_daemon_status("unknown", True)
  File "/usr/lib64/python2.7/site-packages/scc/gui/app.py", line 918, in
set_daemon_status                                                               
    self.window.set_icon_from_file(icon)
AttributeError: 'App' object has no attribute 'window'

** (sc-controller:2531): WARNING **: 19:29:55.035: AT-SPI: Could not obtain
desktop path or name                                                         

Invalid MIT-MAGIC-COOKIE-1 key
** (sc-controller:2531): WARNING **: 19:29:55.076: atk-bridge:
get_device_events_reply: unknown signature                                      

** (sc-controller:2531): WARNING **: 19:29:55.077: atk-bridge:
get_device_events_reply: unknown signature                                      

** (sc-controller:2531): WARNING **: 19:29:55.077: atk-bridge:
GetRegisteredEvents returned message with unknown signature 

The upstream version shows the same issue. Do you expect that the by request id
650558 enabled auto-detection will fix this as well?