Most users have reported that this particular bug (Dell XPS 13 brightness controls stopped working in Raring; brightness stuck at *maximum*) is fixed as of 3.8.0-18.28.
Note also bug LP: #1169376, which affects only the Dell XPS 13 FHD 1080p model: If your XPS 13 brightness is stuck at *minimum* in Raring kernel 3.8.0-18 or -19, then consult LP: #1169376 for details and a temporary fix kernel. These two bugs and the applied fixes do not relate to any other models other than the Dell XPS 13 line. If you're still experiencing either problem on an XPS 13 in the forthcoming Raring kernel verson 3.8.0-20.x, please report so. The upstream mainline kernel bug is a known issue -- still open upstream. -- 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 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
