fatal error: D0310 15:20:03.812958   11807 task_signals.go:446] [ 34807] Notified of signal 7
fault
D0310 15:20:03.812997   11807 task_block.go:223] [ 34807] Interrupt queued
unexpected fault address 0x7f2c9497f000
D0310 15:20:03.813015   11807 task_signals.go:220] [ 34807] Signal 7: delivering to handler
fatal error: fault
DIAGNOSIS: