I can confirm this using both Ubuntu Maverick and Mint Julia amd64 on a Dell Studio 1555. A little while after closing the lid, backlight switches on, apparently due to detected movement on trackpad because it is much less frequent when disconnecting USB mouse(but still happens).
-- closed Laptop Lid to reliably keep Backlight off https://bugs.launchpad.net/bugs/41994 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs