I rebooted into 2.6.24 and the problem persists, so I don't think this is strictly a kernel issue. Looking at g-p-m now.
** Changed in: gnome-power-manager (Ubuntu) Sourcepackagename: linux => gnome-power-manager -- ACPI brightness events no longer work on ThinkPad T61 https://bugs.launchpad.net/bugs/280646 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs