[Bug 212413] FreeBSD 11-RC2 crashing after some time

Tue Sep 6 14:52:11 UTC 2016

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212413

            Bug ID: 212413
           Summary: FreeBSD 11-RC2 crashing after some time
           Product: Base System
           Version: 11.0-RC1
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: peixoto.cassiano at gmail.com
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

I've updated from 10.3-STABLE to 11-RC2. Then after some time my server just
crash. I have no services running on this server, so there is no load. But it
keeps crashing after some time (some minutes or hours).

It reminds me a bug about a month ago on RELENG11 mentioned by Glen Barber
where the system crashs all the time.

Seems a problem with igb driver, but i'm not sure.

Let me know if i can provide more info.

Thanks.

Bellow is my debug output:

messages:

Sep  6 10:44:00 B-ras kernel: Fatal trap 12: page fault while in kernel mode
Sep  6 10:44:00 B-ras kernel: cpuid = 1; apic id = 02
Sep  6 10:44:00 B-ras kernel: fault virtual address     = 0x78
Sep  6 10:44:00 B-ras kernel: fault code                = supervisor read data,
page not present
Sep  6 10:44:00 B-ras kernel: instruction pointer       =
0x20:0xffffffff80aff74c
Sep  6 10:44:00 B-ras kernel: stack pointer             =
0x28:0xfffffe000024d8d0
Sep  6 10:44:00 B-ras kernel: frame pointer             =
0x28:0xfffffe000024d930
Sep  6 10:44:00 B-ras kernel: code segment              = base 0x0, limit
0xfffff, type 0x1b
Sep  6 10:44:00 B-ras kernel: = DPL 0, pres 1, long 1, def32 0, gran 1

kdb output:

# kgdb kernel.debug /var/crash/vmcore.last
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...

Unread portion of the kernel message buffer:
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 12 (irq267: igb2:que 1)
trap number             = 12
panic: page fault
cpuid = 1
KDB: stack backtrace:
#0 0xffffffff80a5bc17 at kdb_backtrace+0x67
#1 0xffffffff80a1db22 at vpanic+0x182
#2 0xffffffff80a1d993 at panic+0x43
#3 0xffffffff80eb4581 at trap_fatal+0x351
#4 0xffffffff80eb4773 at trap_pfault+0x1e3
#5 0xffffffff80eb3d1c at trap+0x26c
#6 0xffffffff80e9add1 at calltrap+0x8
#7 0xffffffff80b13e75 at netisr_dispatch_src+0xa5
#8 0xffffffff80aff076 at ether_input+0x26
#9 0xffffffff80531b57 at igb_rxeof+0x797
#10 0xffffffff80532e7f at igb_msix_que+0xdf
#11 0xffffffff809e88f8 at intr_event_execute_handlers+0xe8
#12 0xffffffff809e8bca at ithread_loop+0xba
#13 0xffffffff809e6258 at fork_exit+0xc8
#14 0xffffffff80e9b30e at fork_trampoline+0xe
Uptime: 4h34m20s
Dumping 989 out of 8144 MB: (CTRL-C to abort)
..2%..12%..22%..31%..41%..51%..62%..72%..81%..91%

Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
/usr/lib/debug//boot/kernel/zfs.ko.debug...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from
/usr/lib/debug//boot/kernel/opensolaris.ko.debug...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/coretemp.ko...Reading symbols from
/usr/lib/debug//boot/kernel/coretemp.ko.debug...done.
done.
Loaded symbols for /boot/kernel/coretemp.ko
Reading symbols from /boot/kernel/ng_socket.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ng_socket.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ng_socket.ko
Reading symbols from /boot/kernel/netgraph.ko...Reading symbols from
/usr/lib/debug//boot/kernel/netgraph.ko.debug...done.
done.
Loaded symbols for /boot/kernel/netgraph.ko
Reading symbols from /boot/kernel/ng_mppc.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ng_mppc.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ng_mppc.ko
Reading symbols from /boot/kernel/rc4.ko...Reading symbols from
/usr/lib/debug//boot/kernel/rc4.ko.debug...done.
done.
Loaded symbols for /boot/kernel/rc4.ko
Reading symbols from /boot/kernel/ng_ether.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ng_ether.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ng_ether.ko
Reading symbols from /boot/kernel/ng_pppoe.ko...Reading symbols from
/usr/lib/debug//boot/kernel/ng_pppoe.ko.debug...done.
done.
Loaded symbols for /boot/kernel/ng_pppoe.ko
#0  doadump (textdump=<value optimized out>) at pcpu.h:221
221     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) list *0xffffffff80aff74c
0xffffffff80aff74c is in ether_nh_input (/usr/src/sys/net/if_ethersubr.c:472).
467     ether_input_internal(struct ifnet *ifp, struct mbuf *m)
468     {
469             struct ether_header *eh;
470             u_short etype;
471     
472             if ((ifp->if_flags & IFF_UP) == 0) {
473                     m_freem(m);
474                     return;
475             }
476     #ifdef DIAGNOSTIC
Current language:  auto; currently minimal
(kgdb) bt
#0  doadump (textdump=<value optimized out>) at pcpu.h:221
#1  0xffffffff80a1d76a in kern_reboot (howto=<value optimized out>) at
/usr/src/sys/kern/kern_shutdown.c:366
#2  0xffffffff80a1db5b in vpanic (fmt=<value optimized out>, ap=<value
optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759
#3  0xffffffff80a1d993 in panic (fmt=0x0) at
/usr/src/sys/kern/kern_shutdown.c:690
#4  0xffffffff80eb4581 in trap_fatal (frame=0xfffffe000024d820, eva=120) at
/usr/src/sys/amd64/amd64/trap.c:841
#5  0xffffffff80eb4773 in trap_pfault (frame=0xfffffe000024d820, usermode=0) at
/usr/src/sys/amd64/amd64/trap.c:691
#6  0xffffffff80eb3d1c in trap (frame=0xfffffe000024d820) at
/usr/src/sys/amd64/amd64/trap.c:442
#7  0xffffffff80e9add1 in calltrap () at
/usr/src/sys/amd64/amd64/exception.S:236
#8  0xffffffff80aff74c in ether_nh_input (m=0xfffff8002216e600) at
/usr/src/sys/net/if_ethersubr.c:669
#9  0xffffffff80b13e75 in netisr_dispatch_src (proto=5, source=<value optimized
out>, m=0xfffff8002216e600) at /usr/src/sys/net/netisr.c:1121
#10 0xffffffff80aff076 in ether_input (ifp=<value optimized out>,
m=0xfffff8002feb0800) at /usr/src/sys/net/if_ethersubr.c:759
#11 0xffffffff80531b57 in igb_rxeof (que=<value optimized out>, count=<value
optimized out>, done=<value optimized out>) at
/usr/src/sys/dev/e1000/if_igb.c:4957
#12 0xffffffff80532e7f in igb_msix_que (arg=0xfffff80006468468) at
/usr/src/sys/dev/e1000/if_igb.c:1612
#13 0xffffffff809e88f8 in intr_event_execute_handlers (p=<value optimized out>,
ie=<value optimized out>) at /usr/src/sys/kern/kern_intr.c:1262
#14 0xffffffff809e8bca in ithread_loop (arg=<value optimized out>) at
/usr/src/sys/kern/kern_intr.c:1275
#15 0xffffffff809e6258 in fork_exit (callout=0xffffffff809e8b10 <ithread_loop>,
arg=0xfffff80006463920, frame=0xfffffe000024dc00) at
/usr/src/sys/kern/kern_fork.c:1038
#16 0xffffffff80e9b30e in fork_trampoline () at
/usr/src/sys/amd64/amd64/exception.S:611
#17 0x0000000000000000 in ?? ()
(kgdb)

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