Try guiminer for 290 if all else fails, i had trouble with cgminer and sgminer running this card, especially thread concurrency. Something to do with AMD driver on new non reference cards.
Somebody please give me their timings for CGMiner , It's giving me a headache , I'm losing heart to be honest.
I've seen somebody getting 1 share per min per R9 290 but I can't find his timings.