I believe System76 has a fix to this. See src/misc.py in their driver in version 2.6.1 here: http://planet76.com/repositories/
Here is the comment to their python function gnomeThemeRace: """On fast machines with nVidia graphics, a race condition causes the theme to not apply. A 2 second pause on gnome-settings start works around the bug"""
I believe System76 has a fix to this. See src/misc.py in their driver in version 2.6.1 here: http:// planet76. com/repositorie s/
Here is the comment to their python function gnomeThemeRace:
"""On fast machines with nVidia graphics, a race condition causes the theme to not apply.
A 2 second pause on gnome-settings start works around the bug"""