Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81aaa174
stack pointer	        = 0x28:0xfffffe0056a7d200
frame pointer	        = 0x28:0xfffffe0056a7d710
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		= 2 (clock (0))
rdi: 0000000000000000 rsi: 0000000000000001 rdx: 0000000000000000
rcx: fffffe0002bf1850  r8: 0000000000000000  r9: 00000000060080fe
rax: fffffe0000000000 rbx: fffffe0058571000 rbp: fffffe0056a7d710

FreeBSD/amd64r10: aa02000000000000 r11: 000000000000001f r12: fffffe0056a7d630
r13: fffffe0056a7d440 r14: 0000000000000000 r15: fffffe00827eb320
trap number		= 12
panic: page fault
cpuid = 1
time = 119
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056a7ca30
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056a7cb90
vpanic() at vpanic+0x257/frame 0xfffffe0056a7cd50
panic() at panic+0xb5/frame 0xfffffe0056a7ce10
trap_pfault() at trap_pfault+0xaf2/frame 0xfffffe0056a7cf50
trap() at trap+0x78e/frame 0xfffffe0056a7d130
calltrap() at calltrap+0x8/frame 0xfffffe0056a7d130
--- trap 0xc, rip = 0xffffffff81aaa174, rsp = 0xfffffe0056a7d200, rbp = 0xfffffe0056a7d710 ---
ip6_output() at ip6_output+0x36e4/frame 0xfffffe0056a7d710
sctp_lowlevel_chunk_output() at sctp_lowlevel_chunk_output+0x1bb2/frame 0xfffffe0056a7d9c0
sctp_send_initiate() at sctp_send_initiate+0x1116/frame 0xfffffe0056a7db40
sctp_t1init_timer() at sctp_t1init_timer+0x4f/frame 0xfffffe0056a7db90
sctp_timeout_handler() at sctp_timeout_handler+0xc14/frame 0xfffffe0056a7dcd0
softclock_call_cc() at softclock_call_cc+0x422/frame 0xfffffe0056a7de80
softclock_thread() at softclock_thread+0x200/frame 0xfffffe0056a7def0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056a7df30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056a7df30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 2 tid 100031 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25b6f77(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db>