On 3/26/21 7:54 AM, Jens Axboe wrote: >> The KILL after STOP deadlock still exists. > > In which tree? Sounds like you're still on the old one with that > incremental you sent, which wasn't complete. > >> Does io_wq_manager() exits without cleaning up on SIGKILL? > > No, it should kill up in all cases. I'll try your stop + kill, I just > tested both of them separately and didn't observe anything. I also ran > your io_uring-cp example (and found a bug in the example, fixed and > pushed), fwiw. I can reproduce this one! I'll take a closer look. -- Jens Axboe