I was also having this problem on a Samsung Series 9 (NP900X4C). The screen brightness keys would go to either extreme and then flicker for 5-10 seconds. The new kernel has fixed this issue: the keys are working as expected.
$ uname -a Linux cree 3.6.0-030600rc3-generic #201208221735 SMP Wed Aug 22 21:36:32 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -rd Description: Ubuntu 12.04.1 LTS Release: 12.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1042311 Title: [Samsung QX410] Brightness keys malfunction after upgrade to 3.2.0-29.46 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1042311/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
