Steve, you may want to try Kamal's PPA for a fix of #568611 - see here https://launchpad.net/~kamalmostafa/+archive/linux-kamal-mjgbacklight. Please do report at #568611 if you had success.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/392458 Title: system becomes unresponsive when changing screen brightness with keybord hotkeys -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
