Crash when building BVH4 from secondary thread

Crash when building BVH4 from secondary thread

I'm seeing a crash in BVH4::rotate() when I'm using rtcCreateAccel from a secondary thread. This does not happen when I call it from the main thread or use the BVH2 instead. Is there something in the BVH4 memory management that depends on what thread it runs in?

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Nevermind, it turns out that pthreads on OS X default to a small stack size. Increasing the stack size for the thread fixed it.

Hm, I have no idea what that could be. Does the issue also occur when you disable the tree rotations?

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