If is related to X or kernel ... whatever ... it used to work in an older kernel and it works in a newer one but not in this one (3.0) so something got broken.
For brightness in 3.1 I think you should open a new bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/860791 Title: sony vaio vpcy21s1e, internal monitor doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/860791/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs