Some interesting stuff in my X log
NOTE: I'm prefacing this by saying I didn't look for this under 8.40
(==) AIGLX enabled
(II) fglrx(0): DRI initialization successfull!
(II) fglrx(0): Direct rendering enabled
However, at the end I get
(EE) AIGLX error: DRIAuthConnection failed
(EE) AIGLX: reverting to software rendering