unity -- Segmentation Fault
hello , when i install ubuntu, unity run perfectly but when i try to modified some option with compiz ,.. unity said that i haven't got the necesary hardware to run unity (i have a new hp pavillion dv6) , and crash , now if i try to run unity with the terminal .. unity said SEgmentation fault
thank you very much and sorry for my english¡¡¡
edit: my graphic card is an Ati Radeon HD 5600 Series
. I unisntall the drivers, and unity run perfectly .. is th problem in ati driver (fglrx) ??