case aio_error 3-1 return UNRESOLVED on all arches Similiar to aio_return/4-1, it try to call aio_error with argument aiocbp which does not point at a control block for an asynchronous I/O request, and expect error EINVAL
The POSIX spec says about aio_error: ERRORS The aio_error( ) function may fail if: [EINVAL] The aiocbp argument does not refer to an asynchronous operation whose return status has not yet been retrieved. It just say "may" and not a compelling contraint, so I think this is implement dependent and not a bug.