On 2019-01-30 13:59:55 [+0100], Heiko Carstens wrote: > Last lines of trace below (full log attached): <...>-56956 [005] .... 658.931364: handle_futex_death: uaddr: 3ff9e880c58 pi: 1 … <...>-56956 [005] .... 658.931369: handle_futex_death: uaddr: 3ff9e8808c0 success <...>-56956 [005] .... 658.931370: sched_process_exit: comm=ld64.so.1 pid=56956 prio=120 not including 3ff9e880140 <...>-56956 [005] .... 658.931370: sched_process_exit: comm=ld64.so.1 pid=56956 prio=120 <...>-56496 [001] .... 658.932404: sys_futex(uaddr: 3ff9e880140, op: 6, val: 1, utime: 0, uaddr2: 5, val3: 0) <...>-56496 [001] .... 658.932405: attach_to_pi_owner: Missing pid 56956 <...>-56496 [001] .... 658.932406: handle_exit_race: uval2 vs uval 8000de7c vs 8000de7c (-1) <...>-56496 [001] .... 658.932501: sys_futex -> 0xfffffffffffffffd … <...>-56496 [001] .... 659.020750: handle_futex_death: uaddr: 3ff9e880140 pi: 1 <...>-56496 [001] .... 659.020750: handle_futex_death: uaddr: 3ff9e880140 uval: 8000de7c <...>-56496 [001] .... 659.020750: handle_futex_death: uaddr: 3ff9e880140 success and here we have it. Sebastian