@Kmal: I've just installed ubuntu updates to kernel 3.8.0-21.37 and the brightness bug is back again. I'm switching back to your pathced kernel 3.8.0-19-generic #30+lp1169376. It seems that your patch has not been merged into official repos... :(
Have you any patched version of 3.8.0-21 ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169376 Title: XPS13 backlight stopped working after update 3.8.0-18.28 To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1169376/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs