panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0xb88b6816000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff828ef02c) at panic+0x16f sys/kern/subr_prf.c:229
pmap_remove_ptes(fffffd8065e0f200,fffffd8007839500,7f85c45b4040,b88b6808000,b88b6a00000,0,30d20d9c8e07642c) at pmap_remove_ptes+0x33e
pmap_do_remove(fffffd8065e0f200,b88b6808000,b88b6c08000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896
uvm_unmap_kill_entry_withlock(fffffd8054821c10,fffffd806abf52b8,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897
uvm_map_teardown(fffffd8054821c10) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd8054821c10) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd8054821c10) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461
reaper(ffff80002a149488) at reaper+0x197 sys/kern/kern_exit.c:463
end trace frame: 0x0, count: 250
End of stack trace.