Just as info, for me it works since 3.8.0-30 without UEFI. So, for me it's actually fixed.
Linux sputnik 3.8.0-30-generic #44~precise1-Ubuntu SMP Fri Aug 23 18:32:41 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1163720 Title: Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1163720/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
