Seems to be generally fine here:
Mobo: AsRock X99-WS (UEFI - Secure Boot disabled) CPU: Intel i7-6850K (Broadwell) GPU: NVIDIA GTX 1070 (Pascal) Driver: 550.76 (proprietary - rpmfusion)
Thanks for the submission @jonathanspw!
OIIO upgrade worked just fine, initial tests show things to be working as expected.
Seems to be generally fine here: