panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x763d72016000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff8306bef5) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd806d1592f0,fffffd8008016860,7fbb1eb90000,763d72000000,763d7205d000,0) at pmap_remove_pte
pmap_do_remove(fffffd806d1592f0,763d71f5d000,763d7205d000,0) at pmap_do_remove+0x533 sys/arch/amd64/amd64/pmap.c:1911
uvm_unmap_kill_entry_withlock(fffffd80608eddd0,fffffd806cec30d0,0) at uvm_unmap_kill_entry_withlock+0x274 sys/uvm/uvm_map.c:1865
uvm_map_teardown(fffffd80608eddd0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd80608eddd0) 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.