panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x6bcc6416000, opte 0xffffffffffffffff Starting stack trace... panic(ffffffff83077b12) at panic+0x1d0 sys/kern/subr_prf.c:229 pmap_remove_pte(fffffd8074578ba0,fffffd80084e5a00,7f835e632000,6bcc6400000,6bcc6476000,0) at pmap_remove_pte pmap_do_remove(fffffd8074578ba0,6bcc6370000,6bcc6476000,0) at pmap_do_remove+0x533 sys/arch/amd64/amd64/pmap.c:1911 uvm_unmap_kill_entry_withlock(fffffd8072abf380,fffffd805e0cfba0,0) at uvm_unmap_kill_entry_withlock+0x274 sys/uvm/uvm_map.c:1865 uvm_map_teardown(fffffd8072abf380) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498 uvmspace_free(fffffd8072abf380) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 reaper(ffff800029fd9448) at reaper+0x256 sys/kern/kern_exit.c:483 end trace frame: 0x0, count: 250 End of stack trace. syncing disks... set $lines = 0 set $maxwidth = 0 show panic trace show registers show proc ps show all locks show malloc show all pools machine ddbcpu 0 trace machine ddbcpu 1 trace