Here are liburing test results on hppa: Running test 232c93d07b74.t 5 sec [5] Running test 35fa71a030ca.t 5 sec [5] Running test 500f9fbadef8.t 25 sec [25] Running test 7ad0e4b2f83c.t 1 sec [1] Running test 8a9973408177.t 0 sec [0] Running test 917257daa0fe.t 0 sec [0] Running test a0908ae19763.t 0 sec [0] Running test a4c0b3decb33.t Test a4c0b3decb33.t timed out (may not be a failure) Running test accept.t 2 sec [2] Running test accept-link.t 0 sec [0] Running test accept-reuse.t 0 sec [0] Running test accept-test.t 0 sec [0] Running test across-fork.t 0 sec [0] Running test b19062a56726.t 0 sec [1] Running test b5837bd5311d.t 0 sec [0] Running test buf-ring.t bad run 0/0 = -233 test_running(1) failed Test buf-ring.t failed with ret 1 Running test ce593a6c480a.t 1 sec [1] Running test close-opath.t 0 sec [0] Running test connect.t 0 sec [0] Running test cq-full.t 0 sec [0] Running test cq-overflow.t 12 sec [12] Running test cq-peek-batch.t 0 sec [0] Running test cq-ready.t 0 sec [0] Running test cq-size.t 0 sec [0] Running test d4ae271dfaae.t 0 sec [0] Running test d77a67ed5f27.t 0 sec [0] Running test defer.t 3 sec [3] Running test defer-taskrun.t 1 sec [0] Running test double-poll-crash.t Skipped Running test drop-submit.t 0 sec [0] Running test eeed8b54e0df.t 0 sec [0] Running test empty-eownerdead.t 0 sec [0] Running test eploop.t 0 sec [0] Running test eventfd.t 0 sec [0] Running test eventfd-disable.t 0 sec [0] Running test eventfd-reg.t 0 sec [0] Running test eventfd-ring.t 0 sec [0] Running test evloop.t 0 sec [0] Running test exec-target.t 0 sec [0] Running test exit-no-cleanup.t 0 sec [0] Running test fadvise.t 0 sec [0] Running test fallocate.t 0 sec [0] Running test fc2a85cb02ef.t Test needs failslab/fail_futex/fail_page_alloc enabled, skipped Skipped Running test fd-pass.t 1 sec [0] Running test file-register.t 4 sec [4] Running test files-exit-hang-poll.t 1 sec [1] Running test files-exit-hang-timeout.t 1 sec [1] Running test file-update.t 0 sec [0] Running test file-verify.t Found 98528, wanted 622816 Buffered novec reg test failed Test file-verify.t failed with ret 1 Running test fixed-buf-iter.t 0 sec [0] Running test fixed-link.t 0 sec [0] Running test fixed-reuse.t 0 sec [0] Running test fpos.t 1 sec [0] Running test fsnotify.t Skipped Running test fsync.t 0 sec [0] Running test hardlink.t 0 sec [1] Running test io-cancel.t 4 sec [3] Running test iopoll.t 2 sec [2] Running test iopoll-leak.t 0 sec [0] Running test iopoll-overflow.t 1 sec [1] Running test io_uring_enter.t 1 sec [0] Running test io_uring_passthrough.t Skipped Running test io_uring_register.t Unable to map a huge page. Try increasing /proc/sys/vm/nr_hugepages by at least 1. Skipping the hugepage test 0 sec [0] Running test io_uring_setup.t 0 sec [0] Running test lfs-openat.t 0 sec [0] Running test lfs-openat-write.t 0 sec [0] Running test link.t 0 sec [0] Running test link_drain.t 3 sec [2] Running test link-timeout.t 1 sec [2] Running test madvise.t 1 sec [0] Running test mkdir.t 0 sec [0] Running test msg-ring.t 0 sec [1] Running test msg-ring-flags.t Skipped Running test msg-ring-overflow.t 0 sec [0] Running test multicqes_drain.t 26 sec [25] Running test nolibc.t Skipped Running test nop-all-sizes.t 0 sec [1] Running test nop.t 1 sec [0] Running test openat2.t 0 sec [0] Running test open-close.t 0 sec [0] Running test open-direct-link.t 0 sec [0] Running test open-direct-pick.t 0 sec [0] Running test personality.t Not root, skipping 0 sec [0] Running test pipe-bug.t 6 sec [5] Running test pipe-eof.t 0 sec [0] Running test pipe-reuse.t 0 sec [0] Running test poll.t 1 sec [1] Running test poll-cancel.t 0 sec [0] Running test poll-cancel-all.t 0 sec [0] Running test poll-cancel-ton.t 0 sec [0] Running test poll-link.t 1 sec [1] Running test poll-many.t 19 sec [19] Running test poll-mshot-overflow.t 0 sec [0] Running test poll-mshot-update.t 21 sec [21] Running test poll-race.t 2 sec [2] Running test poll-race-mshot.t Skipped Running test poll-ring.t 0 sec [0] Running test poll-v-poll.t 0 sec [0] Running test pollfree.t 0 sec [0] Running test probe.t 0 sec [0] Running test read-before-exit.t 3 sec [5] Running test read-write.t Not root, skipping test_write_efbig 8 sec [8] Running test recv-msgall.t 1 sec [0] Running test recv-msgall-stream.t 0 sec [0] Running test recv-multishot.t 3 sec [3] Running test register-restrictions.t 0 sec [0] Running test rename.t 0 sec [0] Running test ringbuf-read.t cqe res -233 dio test failed Test ringbuf-read.t failed with ret 1 Running test ring-leak2.t 1 sec [1] Running test ring-leak.t 0 sec [0] Running test rsrc_tags.t 16 sec [16] Running test rw_merge_test.t 0 sec [0] Running test self.t 0 sec [0] Running test sendmsg_fs_cve.t chroot not allowed, skip 0 sec [0] Running test send_recv.t 0 sec [0] Running test send_recvmsg.t do_recvmsg: failed cqe: -233 send_recvmsg 0 1 0 1 0 failed Test send_recvmsg.t failed with ret 1 Running test send-zerocopy.t Test send-zerocopy.t timed out (may not be a failure) Running test shared-wq.t 0 sec [0] Running test short-read.t 0 sec [0] Running test shutdown.t 0 sec [0] Running test sigfd-deadlock.t 0 sec [0] Running test single-issuer.t 0 sec [0] Running test skip-cqe.t 0 sec [0] Running test socket.t 0 sec [0] Running test socket-rw.t 0 sec [0] Running test socket-rw-eagain.t 0 sec [0] Running test socket-rw-offset.t 0 sec [0] Running test splice.t 0 sec [0] Running test sq-full.t 0 sec [1] Running test sq-full-cpp.t 0 sec [0] Running test sqpoll-cancel-hang.t Skipped Running test sqpoll-disable-exit.t 2 sec [2] Running test sq-poll-dup.t 6 sec [5] Running test sqpoll-exit-hang.t 1 sec [1] Running test sq-poll-kthread.t 2 sec [3] Running test sq-poll-share.t 13 sec [11] Running test sqpoll-sleep.t 0 sec [0] Running test sq-space_left.t 0 sec [0] Running test stdout.t This is a pipe test This is a fixed pipe test 0 sec [1] Running test submit-and-wait.t 1 sec [1] Running test submit-link-fail.t 0 sec [0] Running test submit-reuse.t 1 sec [1] Running test symlink.t 0 sec [0] Running test sync-cancel.t 1 sec [0] Running test teardowns.t 0 sec [0] Running test thread-exit.t 0 sec [1] Running test timeout.t 6 sec [6] Running test timeout-new.t 3 sec [2] Running test timeout-overflow.t Skipped Running test tty-write-dpoll.t 0 sec [0] Running test unlink.t 0 sec [0] Running test version.t 0 sec [0] Running test wakeup-hang.t 2 sec [2] Running test xattr.t 0 sec [0] Running test statx.t 0 sec [0] Running test sq-full-cpp.t 1 sec [0] Tests timed out (2): <a4c0b3decb33.t> <send-zerocopy.t> Tests failed (4): <buf-ring.t> <file-verify.t> <ringbuf-read.t> <send_recvmsg.t> make[1]: *** [Makefile:250: runtests] Error 1 make[1]: Leaving directory '/home/dave/gnu/liburing/liburing/test' make: *** [Makefile:21: runtests] Error 2 I modified poll-race-mshot.t to skip on hppa. Added handle_tw_list and io_uring_try_cancel_requests fixes. This appears to have fixed stalls. Dave -- John David Anglin dave.anglin@xxxxxxxx