panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x436b260000, opte 0x3efff
Starting stack trace...
panic(ffffffff828f2f9b) at panic+0x16f sys/kern/subr_prf.c:229
pmap_remove_ptes(fffffd806b000010,fffffd8006caab40,7f8021b592f8,436b25f000,436b269000,0,66c26d2c8074a86e) at pmap_remove_ptes+0x33e
pmap_do_remove(fffffd806b000010,436b25f000,436b269000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896
uvm_unmap_kill_entry_withlock(fffffd806ef3c530,fffffd806b088c20,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897
uvm_map_teardown(fffffd806ef3c530) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd806ef3c530) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534
uvmspace_free(fffffd806ef3c530) 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.