panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x70278a416000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff828f093e) at panic+0x16f sys/kern/subr_prf.c:229
pmap_remove_ptes(fffffd8059af83e8,fffffd80083c7de0,7fb813c52000,70278a400000,70278a449000,0,df37107f28c0f3e6) at pmap_remove_ptes+0x33e
pmap_do_remove(fffffd8059af83e8,702789d49000,70278a449000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896
uvm_unmap_kill_entry_withlock(fffffd8055e4b370,fffffd8054bff938,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897
uvm_map_teardown(fffffd8055e4b370) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd8055e4b370) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd8055e4b370) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a148008) at reaper+0x197 sys/kern/kern_exit.c:475
end trace frame: 0x0, count: 250
End of stack trace.