On 2/23/21 8:25 PM, Andres Freund wrote: > Hi, > > commit 41be53e94fb04cc69fdf2f524c2a05d8069e047b (HEAD, refs/bisect/bad) > Author: Jens Axboe <axboe@xxxxxxxxx> > Date: 2021-02-13 09:11:04 -0700 > > io_uring: kill cached requests from exiting task closing the ring > > Be nice and prune these upfront, in case the ring is being shared and > one of the tasks is going away. This is a bit more important now that > we account the allocations. > > Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> > > > causes EAGAIN to be returned by io_uring_enter() after a child > exits. The existing liburing test across-fork.c repros the issue after > applying the patch below. > > Retrying the submission twice seems to make it succeed most of the > time... Oh that's funky, I'll take a look. -- Jens Axboe
