futex fail when login as root

hikey login: root
[   21.646154] audit_printk_skb: 87 callbacks suppressed
[   21.651495] audit: type=1006 audit(1495284012.263:12): pid=2437 uid=0 subj=kernel old-auid=4294967295 auid=0 old-ses=4294967295 ses=1 res=1
root@hikey:~# su - root
root@hikey:~# /usr/bin/kselftests/futex/functional/futex_requeue_pi
futex_requeue_pi: Test requeue functionality
        Arguments: broadcast=0 locked=0 owner=0 timeout=0ns
        ERROR: Operation not permitted: pthread_create
        ERROR: Creating waiting thread failed
Result: ERROR
root@hikey:~#