A "regression in the intel driver" doesn't seem to explain why this was not an issue in a gnome session, nor to the fact that -
xset dpms force off
xset dpms force on
returned display both in greeter & session
(and nvidia driver loaded & worked fine, with or without a visible display.
you 'fixed' the issue but maybe not for the correct reason
A "regression in the intel driver" doesn't seem to explain why this was not an issue in a gnome session, nor to the fact that -
xset dpms force off
xset dpms force on
returned display both in greeter & session
(and nvidia driver loaded & worked fine, with or without a visible display.
you 'fixed' the issue but maybe not for the correct reason