Jeff Crowell, thank you for testing the newest mainline kernel. Did this problem not occur in a release prior to Quantal?
As well, could you please provide the information following https://wiki.ubuntu.com/Kernel/Debugging/Backlight ? ** Tags added: needs-backlight-debug-logs ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Summary changed: - Keyboard backlight cannot be controlled from within ubuntu + Toshiba Portege Z835-P330 Keyboard backlight cannot be controlled from within ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1092801 Title: Toshiba Portege Z835-P330 Keyboard backlight cannot be controlled from within ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1092801/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs