On 6/21/20 10:14 AM, Pavel Begunkov wrote: > v2: use relaxed load > fix errata > > Pavel Begunkov (2): > barriers: add load relaxed > Fix hang in io_uring_get_cqe() with iopoll > > src/include/liburing/barrier.h | 4 ++++ > src/queue.c | 16 +++++++++++++++- > 2 files changed, 19 insertions(+), 1 deletion(-) After checking again, I think your liburing is quite a bit out-of-date. Can you check if the issue still exists in the current git tree? -- Jens Axboe