fatal error: fault
unexpected fault address 0x7fef2a062000
fatal error: fault
unexpected fault address 0x7fef2a1af000
fatal error: fault
unexpected fault address 0x7fef2a112000
unexpected fault address 0x7fef2a58e000
fatal error: fault
unexpected fault address 0x7fef2a366020
fatal error: fault
fatal error: fault
unexpected fault address 0x7fef30286020
fatal error: fault
[signal SIGBUS: bus error code=0x2 addr=0x7fef2ac89000 pc=0x4693a8]