fatal error: fault
D0504 20:39:20.032165  163631 task_signals.go:467] [  13: 525] Notified of signal 23
D0504 20:39:20.034083  163631 task_signals.go:220] [  13: 525] Signal 23: delivering to handler
D0504 20:39:20.035096  163631 task_signals.go:467] [  13: 525] Notified of signal 23
D0504 20:39:20.035363  163631 task_signals.go:220] [  13: 525] Signal 23: delivering to handler
[signal SIGBUS: bus error code=0x1 addr=0x7f3691200000 pc=0x60980d]