This has been how it works for the past few driver revisions. If you have gsync enabled, vsync is turned on but will only kick in when your fps...
if you're getting "driver stopped working" throughout different driver versions it's generally a GPU problem or RAM.
I have this issue on both my desktop (7970) and laptop (2x5870). There are periods where I don't get it for a long time, so I assume latest...
I get this same issue and the ocassional mouse corruption on my laptop (2x5870). Doesn't happen on my desktop (single 7970).
Cheers for these. First drivers that don't BSOD on windows startup for me since 11.10 (M17x R2 with XF 5870s)
What program/settings give a gpu usage overlay like that?