just a bit more info.  It's a null pointer dereference.

I'm also having a problem with ovr_CreateTextureSwapChainGL. I'm not sure its the same issue. I'm getting a crash deep in the call: 0000000000000000() Unknown LibOVRRT64_1.dll!00007ffee270ae67() Unknown LibOVRRT64_1.dll!00007ffee2706715() Unknown Lib...