panic: uvm_fault_unwire_locked: address not in map
Starting stack trace...
panic(ffffffff829293ce) at panic+0x16f sys/kern/subr_prf.c:229
uvm_fault_unwire_locked(fffffd8075c3add0,20000000,20001000) at uvm_fault_unwire_locked+0x331 sys/uvm/uvm_fault.c:1663
uvm_fault_unwire(fffffd8075c3add0,20000000,20001000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623
sys_sysctl(ffff8000ffff59d0,ffff80003232b330,ffff80003232b280) at sys_sysctl+0x236 sys/kern/kern_sysctl.c:259
syscall(ffff80003232b330) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80003232b330) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18cee7a0d0, count: 251
End of stack trace.