Release APs...done
random: unblocking device.
panic: sched lock 247: fault on nofault entry, addr: 0x30000
cpuid = 47
time = 2
KDB: stack backtrace:
db_trace_self() at db_trace_self
KDB: enter: panic
[ thread pid 0 tid 100764 ]
Stopped at      kdb_enter+0x44: undefined       f901411f
db> bt
Tracing pid 0 tid 100764 td 0xffffa00008866000
db_trace_self() at db_trace_self
db>