panic: uvm_fault_unwire_locked: address not in map Starting stack trace... panic(ffffffff8308b460) at panic+0x1ba sys/kern/subr_prf.c:229 uvm_fault_unwire_locked(fffffd8073143dc8,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8073143dc8,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a58d1b4,5,20000100,ffff80002a58d1e8,0,37,e5f11b2a981860ec) at kern_sysctl+0xc4c sys_sysctl(ffff80002a502f68,ffff80002a58d320,ffff80002a58d270) at sys_sysctl+0x425 syscall(ffff80002a58d320) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd1d9b79a00, count: 250 End of stack trace.