panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x7d4980e16000, opte 0xffffffffffffffff Starting stack trace... panic(ffffffff828edd6c) at panic+0x16f sys/kern/subr_prf.c:229 pmap_remove_ptes(fffffd806eda22f0,fffffd80076390c0,7fbea4c07000,7d4980e00000,7d4980eff000,0,4460716e6672bd5a) at pmap_remove_ptes+0x33e pmap_do_remove(fffffd806eda22f0,7d49807ff000,7d4980eff000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896 uvm_unmap_kill_entry_withlock(fffffd806b5eedd8,fffffd806b5e76f8,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd806b5eedd8) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b5eedd8) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd806b5eedd8) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a148f68) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: 250 End of stack trace.