There's a difference here too. I can use the Fn keys to change the brightness setting prior to running the xrandr command. Once I run it, I have no control over it. The xbacklight commands no longer work either.
I guess we're somewhat back to it not working at all except that I still have the oscillation. -- Unable to adjust screen brightness on recent Sony Vaio notebooks, Intel GMA adapter https://bugs.launchpad.net/bugs/173652 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs