uvm_fault(fffffd800df73d78,3ac7911d000,0,2) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656
upageflttrap(ffff80003b406770,3ac7911d000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003b406770) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7251085dd230, count: -9