R9 290 CrossfireX Performance problem in Battlefield 4

**UPDATE**: Issue was fixed with newer drivers (13.12 and above) and a game patch. ***************************** READ WHOLE DESCRIPTION ***************************** Performance problem sometimes suffered by R9 290 CrossfireX in Battlefiefld 4 (and 3 as well). It happens quite frequently, but not always. The problem dissapears with CrossfireX disabled. Keep in mind it's hard to notice the stutter and frame drops in the video (Much more noticeable in person), but have a look at the top right corner for the FPS number and you'll see how it drops like crazy. Single 290 runs lot smoother and more stable framerate than two 290's, only happens in BF4 and BF3, any other game is perfect. Also when there is a very demanding scene (Like tank explosion at the end of the video) the game may simply freeze... This does not happen on single card at all, and both cards work fine alone, I'm not the only person with this issue. Here are the computer specs: i7 3930k @ 4.8GHz 2x Sapphire R9 290 Battlefield 4 Edition ASUS ROG Rampage IV Extreme 8GB G-Skill Ripjaws X 1600MHz CL7 Samsung 840 EVO 250GB + Caviar Black 750GB Samsung F4 2TB + Seagate Barracuda 3TB Silverstone Strider Plus 1000W And here's a link to the problem suffered by other people as well: http://www.overclock.net/t/1440600/r9...