https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212872

gerrit.ku...@aei.mpg.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gerrit.ku...@aei.mpg.de

--- Comment #1 from gerrit.ku...@aei.mpg.de ---
I've seen some very similar (I think, see below) crashes lately on a
transparent filtering (with pf) bridge system that ran fine for months before
that. I cannot say anything about the traffic or load it had, but I doubt it
was much. The crash did not appear again (yet) after upgrading to 10.3-p7:

---
Mon Sep 19 02:55:28 CEST 2016

FreeBSD ahfwx.aei.uni-hannover.de 10.3-RELEASE FreeBSD 10.3-RELEASE #0 r297264:
Fri Mar 25 02:10:02 UTC 2016    
r...@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64

panic: page fault

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Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 5; apic id = 0a
fault virtual address   = 0xe
fault code              = supervisor write data, page not present
instruction pointer     = 0x20:0xffffffff81c45fb9
stack pointer           = 0x28:0xfffffe01eead74a0
frame pointer           = 0x28:0xfffffe01eead75d0
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         = 12 (irq280: igb2:que 5)
trap number             = 12
panic: page fault
cpuid = 5
KDB: stack backtrace:
#0 0xffffffff8098e390 at kdb_backtrace+0x60
#1 0xffffffff80951066 at vpanic+0x126
#2 0xffffffff80950f33 at panic+0x43
#3 0xffffffff80d55f7b at trap_fatal+0x36b
#4 0xffffffff80d5627d at trap_pfault+0x2ed
#5 0xffffffff80d558fa at trap+0x47a
#6 0xffffffff80d3b8d2 at calltrap+0x8
#7 0xffffffff81c2c4c8 at pf_test+0x1c8
#8 0xffffffff81c3e07d at pf_check_in+0x1d
#9 0xffffffff80a24ef4 at pfil_run_hooks+0x84
#10 0xffffffff81c148e3 at bridge_pfil+0x363
#11 0xffffffff81c153a5 at bridge_forward+0x1c5
#12 0xffffffff81c13c55 at bridge_input+0x555
#13 0xffffffff80a1c05a at ether_nh_input+0x2ba
#14 0xffffffff80a24092 at netisr_dispatch_src+0x62
#15 0xffffffff804f859c at igb_rxeof+0x60c
#16 0xffffffff804f8c41 at igb_msix_que+0x121
#17 0xffffffff8091c99b at intr_event_execute_handlers+0xab
Uptime: 51m41s
Dumping 518 out of 8140 MB:..4%..13%..22%..31%..41%..53%..62%..72%..81%..93%
Reading symbols from /boot/kernel/geom_mirror.ko.symbols...done.
Loaded symbols for /boot/kernel/geom_mirror.ko.symbols
Reading symbols from /boot/kernel/aesni.ko.symbols...done.
Loaded symbols for /boot/kernel/aesni.ko.symbols
Reading symbols from /boot/kernel/crypto.ko.symbols...done.
Loaded symbols for /boot/kernel/crypto.ko.symbols
Reading symbols from /boot/kernel/if_bridge.ko.symbols...done.
Loaded symbols for /boot/kernel/if_bridge.ko.symbols
Reading symbols from /boot/kernel/bridgestp.ko.symbols...done.
Loaded symbols for /boot/kernel/bridgestp.ko.symbols
Reading symbols from /boot/kernel/ums.ko.symbols...done.
Loaded symbols for /boot/kernel/ums.ko.symbols
Reading symbols from /boot/kernel/pflog.ko.symbols...done.
Loaded symbols for /boot/kernel/pflog.ko.symbols
Reading symbols from /boot/kernel/pf.ko.symbols...done.
Loaded symbols for /boot/kernel/pf.ko.symbols
#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 ?? ()
Current language:  auto; currently minimal
(kgdb) 
---

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