I had this problem too, just make it 600:35,430 to make it run. with 600:34,430 i had artifacts and litle bit of hickup sometimes in video. I'am still testing this setup with other frequencies too. and look at video's for artifacts and then test every frequency on locked speed. I believe that the starving config is not realy wel suited for most! there must be something related too the 599/600 change with the maemo27 kernel i needed too move up the voltage for the cpu600/430dsp range.