prctl(0x29 /* PR_??? */, 0xc350, 0x146a, 0, 0x7fffffff) = -1 EINVAL (Invalid argument)
ioctl(3, BT819_FIFO_RESET_HIGH, 0xffb97c10) = 0
futex(0xe7b8d090, FUTEX_WAKE_PRIVATE, 2147483647) = 0
sched_setscheduler(5226, SCHED_OTHER, { 0 }) = 0
prctl(0x29 /* PR_??? */, 0xc350, 0x146a, 0, 0x7fffffff) = -1 EINVAL (Invalid argument)
getpriority(PRIO_PROCESS, 5226)         = 20
ioctl(3, BT819_FIFO_RESET_HIGH, 0xffb97a88) = 0
futex(0xe7b8d090, FUTEX_WAKE_PRIVATE, 2147483647) = 0
sched_setscheduler(5226, SCHED_OTHER, { 0 }) = 0
prctl(0x29 /* PR_??? */, 0xc350, 0x146a, 0, 0x7fffffff) = -1 EINVAL (Invalid argument)
ioctl(3, BT819_FIFO_RESET_HIGH <unfinished ...>
+++ killed by SIGKILL +++