panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x1b31460000, opte 0x3efff
Starting stack trace...
panic(ffffffff828f5081) at panic+0x16f sys/kern/subr_prf.c:229
pmap_remove_ptes(fffffd806c080200,fffffd800778db20,7f800d98a300,1b31460000,1b31600000,0,bb1d844efd982efc) at pmap_remove_ptes+0x33e
pmap_do_remove(fffffd806c080200,1b31460000,1b31820000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896
uvm_unmap_kill_entry_withlock(fffffd8070bb5370,fffffd806ae7e820,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897
uvm_map_teardown(fffffd8070bb5370) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd8070bb5370) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd8070bb5370) 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.