https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236121
--- Comment #2 from Conrad Meyer <c...@freebsd.org> ---
panic: page fault
cpuid = 1
time = 1551382342
GDB6 stack:
#5 0xffffffff8073c1f9 in trap_pfault (frame=0xfffffe001e4f8480, usermode=0)
at pcpu.h:230
#6 0xffffffff8073b81e in trap (frame=0xfffffe001e4f8480)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/amd64/amd64/trap.c:441
#7 0xffffffff80718305 in calltrap ()
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/amd64/amd64/exception.S:232
#8 0xffffffff804ca971 in sched_pickcpu (td=0x0, flags=<value optimized out>)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/kern/sched_ule.c:820
#9 0xffffffff804caec4 in sched_add (td=0xfffff80002388580, flags=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/kern/sched_ule.c:2560
#10 0xffffffff804facaa in turnstile_unpend (ts=0xfffff8000205d780)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/kern/subr_turnstile.c:980
#11 0xffffffff8047df11 in __mtx_unlock_sleep (c=0xfffff8000554ced8,
v=18446735277953455490)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/kern/kern_mutex.c:1032
#12 0xffffffff8059c4b8 in if_transmit (ifp=0xfffff80005a65800,
m=<value optimized out>)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/net/if.c:4011
#13 0xffffffff8059f551 in ether_output_frame (ifp=0xfffff80005a65800,
m=<value optimized out>)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/net/if_ethersubr.c:482
#14 0xffffffff81c5e999 in ng_apply_item (node=0xfffff80005ab6900,
item=0xfffff8001427f800, rw=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2403
#15 0xffffffff81c5e43f in ng_snd_item (item=0xfffff8001427f800, flags=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2320
#16 0xffffffff81c773b5 in ng_pppoe_rcvdata (hook=0x18, item=0xfffff8001427f800)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_pppoe.c:1446
#17 0xffffffff81c5e999 in ng_apply_item (node=0xfffff800052fd200,
item=0xfffff8001427f800, rw=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2403
#18 0xffffffff81c5e43f in ng_snd_item (item=0xfffff8001427f800, flags=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2320
#19 0xffffffff81c5e999 in ng_apply_item (node=0xfffff8001411d800,
item=0xfffff8001427f800, rw=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2403
#20 0xffffffff81c5e43f in ng_snd_item (item=0xfffff8001427f800, flags=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2320
#21 0xffffffff81c701d5 in ng_ppp_link_xmit (node=<value optimized out>,
item=0xfffff8001427f800, proto=<value optimized out>,
linkNum=<value optimized out>, plen=56)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_ppp.c:1364
#22 0xffffffff81c5e999 in ng_apply_item (node=0xfffff800140afb00,
item=0xfffff8001427f800, rw=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2403
#23 0xffffffff81c5e43f in ng_snd_item (item=0xfffff8001427f800, flags=0)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2320
#24 0xffffffff81c5e999 in ng_apply_item (node=0xfffff80034801c00,
item=0xfffff8001427f800, rw=1)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:2403
#25 0xffffffff81c6117a in ngthread (arg=<value optimized out>)
at /.../hal/z/SRC/FreeBSD/releng/12.0/sys/netgraph/ng_base.c:3434
Last few lines of dmesg prior to panic:
ipfw: 10114 SkipTo 14000 TCP 192.168.1.19:63749 18.9.60.141:11371 out via ng0
ipfw: 10114 SkipTo 14000 TCP 192.168.1.19:63749 18.9.60.141:11371 out via ng0
ipfw: 10114 SkipTo 14000 TCP 192.168.1.19:63749 18.9.60.141:11371 out via ng0
I'm guessing this is related to netgraph.
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