On 02/02/2021 17:24, Jens Axboe wrote: > On 2/2/21 10:10 AM, Victor Stewart wrote: >>> Can you send the updated test app? >> >> https://gist.github.com/victorstewart/98814b65ed702c33480487c05b40eb56 >> >> same link i just updated the same gist > > And how are you running it? with SQPOLL with FIXED FLAG -> FAILURE: failed with error = ??? -> io_uring_wait_cqe_timeout() strangely returns -1, (-EPERM??) Others work fine. I'll check what's with it later. -- Pavel Begunkov