panic: vm_page_free_prep: freeing wired page 0xfffff8007e2425d8
cpuid = 1
time = 1558098736
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001fa22620
vpanic() at vpanic+0x1e0/frame 0xfffffe001fa22680
panic() at panic+0x43/frame 0xfffffe001fa226e0
vm_page_free_prep() at vm_page_free_prep+0x341/frame 0xfffffe001fa22710
vm_page_free_toq() at vm_page_free_toq+0x1b/frame 0xfffffe001fa22740
unlock_and_deallocate() at unlock_and_deallocate+0x96/frame 0xfffffe001fa22770
vm_fault_hold() at vm_fault_hold+0x2275/frame 0xfffffe001fa228e0
vm_fault() at vm_fault+0xad/frame 0xfffffe001fa22920
trap_pfault() at trap_pfault+0x399/frame 0xfffffe001fa22990
trap() at trap+0x93a/frame 0xfffffe001fa22ab0
calltrap() at calltrap+0x8/frame 0xfffffe001fa22ab0
--- trap 0xc, rip = 0x400cd2, rsp = 0x7fffdfffdf80, rbp = 0x6b70c8 ---
KDB: enter: panic
[ thread pid 878 tid 100456 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why
db>