On Wed, 21 Sep 2016 16:22:14 +0200 Gerrit Kühn <gerrit.ku...@aei.mpg.de>
wrote about igb/pf-related crashes:

[...]

> #17 0xffffffff8091c99b at intr_event_execute_handlers+0xab

Few more details:

---
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
219     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff80950cc2 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:486
#2  0xffffffff809510a5 in vpanic (fmt=<value optimized out>, 
    ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:889
#3  0xffffffff80950f33 in panic (fmt=0x0)
    at /usr/src/sys/kern/kern_shutdown.c:818
#4  0xffffffff80d55f7b in trap_fatal (frame=<value optimized out>, 
    eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:858
#5  0xffffffff80d5627d in trap_pfault (frame=0xfffffe01eead73f0, 
    usermode=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:681
#6  0xffffffff80d558fa in trap (frame=0xfffffe01eead73f0)
    at /usr/src/sys/amd64/amd64/trap.c:447
#7  0xffffffff80d3b8d2 in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:236
#8  0xffffffff81c45fb9 in pf_normalize_ip (m0=<value optimized out>, dir=1, 
    kif=0xfffff800218c3000, reason=0xfffffe01eead76fe, pd=0xfffffe01eead7668)
    at /usr/src/sys/modules/pf/../../netpfil/pf/pf_norm.c:1349
#9  0xffffffff81c2c4c8 in pf_test (dir=1, ifp=<value optimized out>, 
    m0=0xfffffe01eead77a8, inp=0x0)
    at /usr/src/sys/modules/pf/../../netpfil/pf/pf.c:5806
#10 0xffffffff81c3e07d in pf_check_in (arg=<value optimized out>, 
    m=0xfffffe01eead77a8, ifp=0x0, dir=<value optimized out>, inp=0x1)
    at /usr/src/sys/modules/pf/../../netpfil/pf/pf_ioctl.c:3551
#11 0xffffffff80a24ef4 in pfil_run_hooks (ph=0xffffffff816a6e88, 
    mp=0xfffffe01eead78c0, ifp=0xfffff800054a1800, dir=1, inp=0x0)
    at /usr/src/sys/net/pfil.c:82
#12 0xffffffff81c148e3 in bridge_pfil (mp=0xfffffe01eead78c0, 
    bifp=0xfffff80021a08800, ifp=0xfffff800054a1800, dir=1)
    at /usr/src/sys/modules/if_bridge/../../net/if_bridge.c:3165
#13 0xffffffff81c153a5 in bridge_forward (sc=0xfffff800217ee600, 
    sbif=0xfffff80021b52600, m=0xfffff8004fb67200)
    at /usr/src/sys/modules/if_bridge/../../net/if_bridge.c:2170
#14 0xffffffff81c13c55 in bridge_input (ifp=<value optimized out>, 
    m=0xfffff8004fb67200)
    at /usr/src/sys/modules/if_bridge/../../net/if_bridge.c:2419
#15 0xffffffff80a1c05a in ether_nh_input (m=<value optimized out>)
    at /usr/src/sys/net/if_ethersubr.c:607
#16 0xffffffff80a24092 in netisr_dispatch_src (proto=<value optimized out>, 
    source=<value optimized out>, m=0xfffffe01eead7668)
    at /usr/src/sys/net/netisr.c:976
#17 0xffffffff804f859c in igb_rxeof (count=99)
    at /usr/src/sys/dev/e1000/if_igb.c:4746
#18 0xffffffff804f8c41 in igb_msix_que (arg=0xfffff80005499608)
    at /usr/src/sys/dev/e1000/if_igb.c:1566
#19 0xffffffff8091c99b in intr_event_execute_handlers (
    p=<value optimized out>, ie=0xfffff80005478700)
    at /usr/src/sys/kern/kern_intr.c:1264
#20 0xffffffff8091cde6 in ithread_loop (arg=0xfffff80005484ea0)
    at /usr/src/sys/kern/kern_intr.c:1277
#21 0xffffffff8091a4ea in fork_exit (
    callout=0xffffffff8091cd50 <ithread_loop>, arg=0xfffff80005484ea0, 
    frame=0xfffffe01eead7c00) at /usr/src/sys/kern/kern_fork.c:1027
#22 0xffffffff80d3be0e in fork_trampoline ()
    at /usr/src/sys/amd64/amd64/exception.S:611
#23 0x0000000000000000 in ?? ()
---
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