panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x82ccfe16000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff83070d1c) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd806d1345d8,fffffd8008563580,7f841667f0b0,82ccfe16000,82ccfe22000,0) at pmap_remove_pte
pmap_do_remove(fffffd806d1345d8,82ccfe16000,82ccfe22000,0) at pmap_do_remove+0x533 sys/arch/amd64/amd64/pmap.c:1911
uvm_unmap_kill_entry_withlock(fffffd805993f1d0,fffffd806755b118,0) at uvm_unmap_kill_entry_withlock+0x274 sys/uvm/uvm_map.c:1865
uvm_map_teardown(fffffd805993f1d0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd805993f1d0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
reaper(ffff800029fd9448) at reaper+0x256 sys/kern/kern_exit.c:480
end trace frame: 0x0, count: 250
End of stack trace.