Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x18 fault code = supervisor read data , page not present instruction pointer = 0x20:0xffffffff812beb87 stack pointer = 0x28:0xfffffe0016ac08c0 frame pointer = 0x28:0xfffffe0016ac0900 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (softirq_1) trap number = 12 panic: page fault cpuid = 1 time = 1552662321 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0016ac0520 vpanic() at vpanic+0x1e0/frame 0xfffffe0016ac0580 panic() at panic+0x43/frame 0xfffffe0016ac05e0 trap_fatal() at trap_fatal+0x4c6/frame 0xfffffe0016ac0660 trap_pfault() at trap_pfault+0x9f/frame 0xfffffe0016ac06d0 trap() at trap+0x44d/frame 0xfffffe0016ac07f0 calltrap() at calltrap+0x8/frame 0xfffffe0016ac07f0 --- trap 0xc, rip = 0xffffffff812beb87, rsp = 0xfffffe0016ac08c0, rbp = 0xfffffe0016ac0900 --- inp_freemoptions() at inp_freemoptions+0x177/frame 0xfffffe0016ac0900 in_pcbfree_deferred() at in_pcbfree_deferred+0x224/frame 0xfffffe0016ac0960 epoch_call_task() at epoch_call_task+0x262/frame 0xfffffe0016ac09c0 gtaskqueue_run_locked() at gtaskqueue_run_locked+0x13e/frame 0xfffffe0016ac0a20 gtaskqueue_thread_loop() at gtaskqueue_thread_loop+0xdd/frame 0xfffffe0016ac0a60 fork_exit() at fork_exit+0xb0/frame 0xfffffe0016ac0ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0016ac0ab0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 0 tid 100013 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why