The problem persists in 14.04. The solution in comment #96 still does not resolve the issue for me.
I can confirm Rahul's observation in #116. Adjusting the brightness before the kernel loads works. Adjusting after that freezes the system.
The problem persists in 14.04. The solution in comment #96 still does not resolve the issue for me.
I can confirm Rahul's observation in #116. Adjusting the brightness before the kernel loads works. Adjusting after that freezes the system.