>Number: 188219
>Category: kern
>Synopsis: Multiple kernel panic on multiple servers on multiple freebsd
>versions
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Apr 03 08:50:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator: Evgeny Semenov
>Release: 9.1
>Organization:
Technology and Networks Ltd.
>Environment:
FreeBSD vpn8.koptevo.net 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4
09:23:10 UTC 2012 r...@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
amd64
>Description:
7 VPN servers with high load have multiple kernel panics.
FreeBSD + MPD + quagga used
(kgdb) backtrace
#0 doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
#1 0xffffffff808ea3a1 in kern_reboot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:448
#2 0xffffffff808ea897 in panic (fmt=0x1 <Address 0x1 out of bounds>) at
/usr/src/sys/kern/kern_shutdown.c:636
#3 0xffffffff81633df8 in ng_iface_disconnect (hook=0x0) at
/usr/src/sys/modules/netgraph/iface/../../../netgraph/ng_iface.c:821
#4 0xffffffff8162343e in ng_destroy_hook (hook=0xfffffe0129ba2600) at
/usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:1207
#5 0xffffffff81623da0 in ng_apply_item (node=0xfffffe00197d0100,
item=0xfffffe012981e580, rw=1)
at /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2462
#6 0xffffffff81622efe in ng_snd_item (item=Variable "item" is not available.
) at /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2308
#7 0xffffffff816233f2 in ng_destroy_hook (hook=0xfffffe002f062080) at
/usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:1182
#8 0xffffffff816238b9 in ng_rmnode (node=0xfffffe001970f000, dummy1=Variable
"dummy1" is not available.
) at /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:735
#9 0xffffffff81624474 in ng_apply_item (node=0xfffffe001970f000,
item=0xfffffe0129181980, rw=1)
at /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2511
#10 0xffffffff81622efe in ng_snd_item (item=Variable "item" is not available.
) at /usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:2308
#11 0xffffffff816201c2 in ngc_send (so=Variable "so" is not available.
) at /usr/src/sys/modules/netgraph/socket/../../../netgraph/ng_socket.c:317
#12 0xffffffff80955ef6 in sosend_generic (so=0xfffffe007944ad48,
addr=0xfffffe0009b179a0, uio=0xffffff81198a98c0, top=0xfffffe00173ac500,
control=0x0, flags=Variable "flags" is not available.
) at /usr/src/sys/kern/uipc_socket.c:1307
#13 0xffffffff80959853 in kern_sendit (td=0xfffffe0013110000, s=5,
mp=0xffffff81198a9990, flags=0, control=0x0, segflg=Variable "segflg" is not
available.
)
at /usr/src/sys/kern/uipc_syscalls.c:810
#14 0xffffffff80959aec in sendit (td=0xfffffe0013110000, s=5,
mp=0xffffff81198a9990, flags=0) at /usr/src/sys/kern/uipc_syscalls.c:738
#15 0xffffffff80959bdd in sys_sendto (td=Variable "td" is not available.
) at /usr/src/sys/kern/uipc_syscalls.c:862
#16 0xffffffff80bd7ae6 in amd64_syscall (td=0xfffffe0013110000, traced=0) at
subr_syscall.c:135
#17 0xffffffff80bc3447 in Xfast_syscall () at
/usr/src/sys/amd64/amd64/exception.S:387
#18 0x000000080223e4ac in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb) up 3
#3 0xffffffff81633df8 in ng_iface_disconnect (hook=0x0) at
/usr/src/sys/modules/netgraph/iface/../../../netgraph/ng_iface.c:821
821 panic("%s", __func__);
>How-To-Repeat:
Bug stable reproducing on our servers, can provide any additional info.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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