panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x78bb05416000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff83072f70) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd806bf269b0,fffffd8007c99940,7fbc5d82a000,78bb05400000,78bb05431000,0) at pmap_remove_pte
pmap_do_remove(fffffd806bf269b0,78bb05331000,78bb05431000,0) at pmap_do_remove+0x533 sys/arch/amd64/amd64/pmap.c:1911
uvm_unmap_kill_entry_withlock(fffffd806b4be530,fffffd806b4724a0,0) at uvm_unmap_kill_entry_withlock+0x274 sys/uvm/uvm_map.c:1865
uvm_map_teardown(fffffd806b4be530) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd806b4be530) 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.