Contrary to Charles and in agreement with Nick, none of volume up/down/mute or brightness up/down provide any OSD notification on my T42 with a fresh Karmic install. This is consistent with Henrique's comment indicating that brightness should be in the 2.6.32 kernel and audio in 2.6.33.
Contrary to Charles and in agreement with Nick, none of volume up/down/mute or brightness up/down provide any OSD notification on my T42 with a fresh Karmic install. This is consistent with Henrique's comment indicating that brightness should be in the 2.6.32 kernel and audio in 2.6.33.