Dec 10 19:07:53 onyxppc pbbuttonsd: WARNING: No backlight driver available - check your Kernel configuration.
Dec 10 19:07:53 onyxppc pbbuttonsd: INFO: Soundsystem requested: auto, detected: none and at least activated: none.
Dec 10 19:07:53 onyxppc pbbuttonsd: INFO: saving of config enabled to /etc/pbbuttonsd.conf.
Dec 10 19:07:53 onyxppc pbbuttonsd: INFO: pbbuttonsd 0.7.9: Unknown PowerBook - PMU version: 12
Dec 10 19:07:53 onyxppc pbbuttonsd: INFO: Script '/etc/power/pmcs-pbbuttonsd performance ac ' lauched but exitcode is not null