panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x7f5348016000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff828edd6c) at panic+0x16f sys/kern/subr_prf.c:229
pmap_remove_ptes(fffffd8067b878b8,fffffd8007683d00,7fbfa9a40000,7f5348000000,7f5348080000,0,560a407c953f9f11) at pmap_remove_ptes+0x33e
pmap_do_remove(fffffd8067b878b8,7f5347980000,7f5348080000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896
uvm_unmap_kill_entry_withlock(fffffd806b4b0c08,fffffd806b6a46e0,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897
uvm_map_teardown(fffffd806b4b0c08) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd806b4b0c08) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd806b4b0c08) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a1491f8) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: 250
End of stack trace.