Comment 8 for bug 1274733

Can't select Intel:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 175, in activate_name_owner
    return self.get_name_owner(bus_name)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 361, in get_name_owner
    's', (bus_name,), **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'com.ubuntu.ScreenResolution.Mechanism': no such name

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/share/screen-resolution-extra/nvidia-prime.py", line 55, in <module>
    conf = get_prime_service()
  File "/usr/share/screen-resolution-extra/nvidia-prime.py", line 34, in get_prime_service
    service_object = dbus.SystemBus().get_object(SERVICE_NAME, OBJECT_PATH)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 241, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 248, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 180, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/python3/dist-packages/dbus/bus.py", line 278, in start_service_by_name
    'su', (bus_name, flags)))
 File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 1

lspci -n
00:00.0 0600: 8086:0104 (rev 09)
00:01.0 0604: 8086:0101 (rev 09)
00:02.0 0300: 8086:0116 (rev 09)
00:16.0 0780: 8086:1c3a (rev 04)
00:1a.0 0c03: 8086:1c2d (rev 04)
00:1b.0 0403: 8086:1c20 (rev 04)
00:1c.0 0604: 8086:1c10 (rev b4)
00:1c.1 0604: 8086:1c12 (rev b4)
00:1c.3 0604: 8086:1c16 (rev b4)
00:1c.4 0604: 8086:1c18 (rev b4)
00:1c.7 0604: 8086:1c1e (rev b4)
00:1d.0 0c03: 8086:1c26 (rev 04)
00:1f.0 0601: 8086:1c4b (rev 04)
00:1f.2 0106: 8086:1c03 (rev 04)
00:1f.3 0c05: 8086:1c22 (rev 04)
01:00.0 0300: 10de:0df5 (rev a1)
01:00.1 0403: 10de:0bea (rev a1)
05:00.0 0200: 10ec:8136 (rev 05)
09:00.0 0280: 8086:008a (rev 34)
0b:00.0 0c03: 1033:0194 (rev 04)

/var/log/prime-supported.log:
Laptop detected

/var/log/prime-offload.log:
1

/var/log/nvidia-prime-upstart.log:
No bbswitch can be found 1st attempt
Configuring xorg.conf
Configuring alternatives
Info: the nvidia profile is already in use

/var/log/prime-switch.log:
1