Update 1
I see a framerate/refresh rate bug that occasionally locks the framerate at a low value upon unlock. Fixing it requires a lock/unlock cycle.
I see a framerate/refresh rate bug that occasionally locks the framerate at a low value upon unlock. Fixing it requires a lock/unlock cycle.
Assuming that this is happening not because the destination write media is simply too slow, but because the process is unnecessarily fsync()ing writes to disk mid-process, maybe try: