What is the current state-of-the-art for diagnosing Metal command buffer failure? We've got a case that *only* happens on iPhoneX.
Querying the error results, all we get are the undocumented
"Execution of the command buffer was aborted due to an error during execution. Discarded (victim of GPU error/recovery) (IOAF code 5)"
Which isn't very actionable.
Cheers - j