panic: pmap_remove_pte: unmanaged page marked PG_PVLIST: va 0x5efa40000, opte 0x7fffffffffffffff
Starting stack trace...
panic(ffffffff8306e29e) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd807ec5ad90,fffffd8008ad10e0,7f8002f7d200,5efa40000,0,ffff800029fe5cf8) at pmap_remove_pte+0x366
pmap_do_remove(fffffd807ec5ad90,5efa40000,5efa41000,0) at pmap_do_remove+0xa0b sys/arch/amd64/amd64/pmap.c:1843
uvm_unmap_kill_entry_withlock(fffffd8057d816f0,fffffd8067dbd5a0,0) at uvm_unmap_kill_entry_withlock+0x274 sys/uvm/uvm_map.c:1865
uvm_map_teardown(fffffd8057d816f0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd8057d816f0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
reaper(ffff800029fd91c0) at reaper+0x256 sys/kern/kern_exit.c:480
end trace frame: 0x0, count: 250
End of stack trace.