So for one reason or another I ended up reinstalling the OS, and it's now booting in traditional BIOS mode rather than EFI, and sure enough the backlight works again. Not sure whether that means this should be marked against a different package?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1519282 Title: Keyboard backlight stopped working after upgrade to Wily To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1519282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs