Artifacts or bug in DIRT 2, help me

[litwicki23]

Hi. I got a strange problem in DIRT2. When i am on racing all is fine and ok. But, when i replaying a race ( backwards ) i just see some lines\bars on a ground. There are all everywhere. Only when i am backwarding a replay. On race when i am playing all is ok. Problem is only when i just making replay (backward). See i just paste movie on youtube.

http://www.youtube.com/watch?v=H_WEDVxOcK8

I tried catalyst 9,12 and 10,2 and nothing;( Problem is still.
System Win7 Ultimate x64. When i turn off particles or shadows to off problems dissaper
( this trials on a ground after wheels ). But when i turn options all to ON problem is again

Pc:
Gigabyte 5850
Gigabyte Ga-P55-UD3
Ocz 2x2gb DDR3 Platinum 1333mhz Cl7 low voltage
Be Quiet Dark Power Pro 1000W
I5-750 2,66


On other tested games all is fine , no problems like AVP 3 , Bioshock 2 , Mass Effect 2, Stalker and others....

 

[kllrnohj]

I would bet its a DiRT 2 bug.

 

[SDNYC09]

think thats bad for some reason im only getting 30fps with everything maxed out with 2x5970 haven't figured it out yet