Is that still an issue? Could you create "gsd-debug-randr" file in your user directory, restart your session, change the screen settings and copy the "gsd-debug-randr.log" which got create in your user directory to the bug?
Is that still an issue? Could you create "gsd-debug-randr" file in your user directory, restart your session, change the screen settings and copy the "gsd-debug- randr.log" which got create in your user directory to the bug?