There are actually two problems: 1) backlight and keyboard light are turn on fully at boot time w/o respecting the original settings. I found the same problem even in single user mode. Turning off KMS with "nomodeset" in grub will preseve the brightness level, but X will go into error.
2) screen backlight becomes only fully on or fully off after suspend as descibed in this bug. This affects 12.04.3, 12.04.4 and 13.10 as I've tried. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1197482 Title: 8086:0a26 [MacBook Air 6,2] After suspend/resume, screen is dark for brighness levels below 13 with i915 driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1197482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
