I've just tested Kubuntu 8.10 Alpha5 LiveCD and Kubuntu 8.10 Beta LiveCD and and the brightness keys are now working, but there is a slow down to apply the brightness change. Regardless this slow down, it is working.
Laptop indentification:
Hewlett-Packard HP Pavilion dv2000 (RE178AV) F.34
I've just tested Kubuntu 8.10 Alpha5 LiveCD and Kubuntu 8.10 Beta LiveCD and and the brightness keys are now working, but there is a slow down to apply the brightness change. Regardless this slow down, it is working.
Laptop indentification:
Hewlett-Packard
HP Pavilion dv2000 (RE178AV)
F.34