Same issue with ATI 6870 in Ubuntu 12.04 64 bit with both drivers from repos and from AMD. While playing a (not hd) video whole OS was frozen I could not drop into shell with pressing ALT+CTRL+F1/F2/...
Same issue with ATI 6870 in Ubuntu 12.04 64 bit with both drivers from repos and from AMD. While playing a (not hd) video whole OS was frozen I could not drop into shell with pressing ALT+CTRL+F1/F2/...