Comment 1 for bug 206921

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schalkpd (schalkpd+launchpad) wrote :

I can confirm this; same exact problem on my second generation Macbook Core 2 Duo, with the same kernel and gnome-power-manager versions as above (running latest 8.04 beta). Using xbacklight (which uses the RandR extension), though, I can adjust the brightness from the terminal successfully.