panic: vm_page_free_prep: freeing wired page 0xfffff8007e26d468 cpuid = 0 time = 43 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001faa4620 vpanic() at vpanic+0x1e0/frame 0xfffffe001faa4680 panic() at panic+0x43/frame 0xfffffe001faa46e0 vm_page_free_prep() at vm_page_free_prep+0x341/frame 0xfffffe001faa4710 vm_page_free_toq() at vm_page_free_toq+0x1b/frame 0xfffffe001faa4740 unlock_and_deallocate() at unlock_and_deallocate+0x96/frame 0xfffffe001faa4770 vm_fault_hold() at vm_fault_hold+0x2275/frame 0xfffffe001faa48e0 vm_fault() at vm_fault+0xad/frame 0xfffffe001faa4920 trap_pfault() at trap_pfault+0x399/frame 0xfffffe001faa4990 trap() at trap+0x93a/frame 0xfffffe001faa4ab0 calltrap() at calltrap+0x8/frame 0xfffffe001faa4ab0 --- trap 0xc, rip = 0x48415a, rsp = 0x7fffffffeaa8, rbp = 0x760660 --- KDB: enter: panic [ thread pid 1825 tid 100488 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why