Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 4 Sep 2013 11:57:45 -0400
From:      alexus <alexus@gmail.com>
To:        =?UTF-8?Q?Fernando_Apestegu=C3=ADa?= <fernando.apesteguia@gmail.com>
Cc:        User Questions <freebsd-questions@freebsd.org>, James Gosnell <jamesgosnell@gmail.com>
Subject:   Re: f9 snmpd[4517]: stack overflow detected; terminated
Message-ID:  <CAJxePNJf+6qD26uutE=wL6JZ+UHGQMs0shtnKSECaiQrH+nA9A@mail.gmail.com>
In-Reply-To: <CAJxePNLUGDi_K+9FczAooK5y-sYBB-gkwSkRtCv33p-m2BjUew@mail.gmail.com>
References:  <CAJxePN+TKu7VS2p2odo7iMce61hA5GgLC5TBp4O=Th9pR428AQ@mail.gmail.com> <CAEhBLvj25v+xWzNLCNPmmKd3V92v+Wm+ySJ-gL3VoT+DCwwoPA@mail.gmail.com> <CAJxePNJXr2Ln=mv=DHN6RWCGpL0w_QGjneeuB-SS6otE56ts2g@mail.gmail.com> <CAGwOe2b9LDtScpm7U0w3cfGR+80Exf-SNX+qFKu3CzsHWUYfiA@mail.gmail.com> <CAJxePNKfwN1_1Q1a_F_XL=NSuOoMHEktn+K-qxiP-42DHBaJjw@mail.gmail.com> <CAGwOe2bydwQZEObudtZwrOQ3vO=EYHjhw4VaD3G-bDxC_72wiQ@mail.gmail.com> <CAJxePN+HKHYeQ+kj-4tvXui-ZrS1SEOe9A0MTV72818hL7ejTQ@mail.gmail.com> <CAGwOe2a83py3Sx9j_6wB4dkz0882NB+ppZfN5VNwk2_0pfn=5g@mail.gmail.com> <CAJxePNLhgYCLaCR3mNEaTr2+wmrs=cW6FyUokwxSXh_G+T5z3g@mail.gmail.com> <CAGwOe2agZGai4ftCg1Ywsw9ceG+ryd4074A3R7MG0sMdk7qz0g@mail.gmail.com> <CAJxePNKGBfJaprEYa=9Qy=hAohXJS9ZfG_0YvMoUk5+3W29qkA@mail.gmail.com> <CAGwOe2apznPDZoAbFRb6VfoVyzExw26i1AowZLVbDZFQNrCUew@mail.gmail.com> <CAJxePNLUGDi_K+9FczAooK5y-sYBB-gkwSkRtCv33p-m2BjUew@mail.gmail.com>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
nevermind) I forgot I'm using csh, so right syntax is:

service bsnmpd status ; if ( $? !=3D 0 ) service bsnmpd start ; endif


On Wed, Sep 4, 2013 at 11:52 AM, alexus <alexus@gmail.com> wrote:

> so mean while, I'm thinking adding something like this to cron as @daily,
> but I'm getting error(
>
> f9# service bsnmpd status ; if [ $? !=3D 0 ] ; then service bsnmpd start =
; fi
> bsnmpd is running as pid 4269.
> if: Expression Syntax.
> then: Command not found.
> fi: Command not found.
> f9#
>
>
>
> On Tue, Sep 3, 2013 at 4:41 PM, Fernando Apestegu=C3=ADa <
> fernando.apesteguia@gmail.com> wrote:
>
>>
>> El 03/09/2013 21:47, "alexus" <alexus@gmail.com> escribi=C3=B3:
>>
>> >
>> > I use bsnmpd w/ mrtg (have been for very long time and everything was
>> ok, till recently), mrtg just monitors interface(s) as it always did,
>> nothing special..
>> >
>> > any ideas how to solve it though?
>>
>> I'm really sorry. I don't use SNMP.
>> I would try to configure snmpd to be as verbose as possible and see if i=
t
>> can log something interesting before it crashes.
>>
>> Maybe someone who uses it can step in and help you to debug the problem.
>>
>> >
>> >
>> > On Tue, Sep 3, 2013 at 3:40 PM, Fernando Apestegu=C3=ADa <
>> fernando.apesteguia@gmail.com> wrote:
>> >>
>> >>
>> >>
>> >>
>> >> On Tue, Sep 3, 2013 at 9:22 PM, alexus <alexus@gmail.com> wrote:
>> >>>
>> >>> #13156 0x0000000000000000 in ?? ()
>> >>> #13157 0x0000000000000001 in ?? ()
>> >>> #13158 0x00007fffffffae80 in ?? ()
>> >>> #13159 0x000000080063c400 in ?? ()
>> >>> #13160 0x00007fffffffae90 in ?? ()
>> >>> #13161 0x00007fffffffae30 in ?? ()
>> >>> #13162 0x000000080063c000 in ?? ()
>> >>> #13163 0x0000000800624244 in dlclose () from /libexec/ld-elf.so.1
>> >>> Previous frame inner to this frame (corrupt stack?)
>> >>> (gdb)
>> >>>
>> >>> http://pastebin.com/qhQGC5A4
>> >>
>> >>
>> >> It was long indeed :)
>> >>
>> >> It seems to me you are receiving a very long query from the network
>> and somehow, the snmp_input_finish() function is blowing up.
>> >>
>> >>
>> >>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> On Tue, Sep 3, 2013 at 3:18 PM, Fernando Apestegu=C3=ADa <
>> fernando.apesteguia@gmail.com> wrote:
>> >>>>
>> >>>>
>> >>>> El 03/09/2013 21:11, "alexus" <alexus@gmail.com> escribi=C3=B3:
>> >>>>
>> >>>>
>> >>>> >
>> >>>> > it's _REALLY_ long, but if you want I can upload it somewhere...
>> >>>> >
>> >>>> > last couple of lines is following:
>> >>>> >
>> >>>> > #13163 0x0000000800624244 in dlclose () from /libexec/ld-elf.so.1
>> >>>> > Previous frame inner to this frame (corrupt stack?)
>> >>>>
>> >>>> Not much there.
>> >>>>
>> >>>> Paste the last 10 or 20 lines please. Let's see if that throws some
>> light.
>> >>>>
>> >>>> >
>> >>>> >
>> >>>> >
>> >>>> > On Tue, Sep 3, 2013 at 3:08 PM, Fernando Apestegu=C3=ADa <
>> fernando.apesteguia@gmail.com> wrote:
>> >>>> >>
>> >>>> >>
>> >>>> >>
>> >>>> >>
>> >>>> >> On Tue, Sep 3, 2013 at 9:04 PM, alexus <alexus@gmail.com> wrote:
>> >>>> >>>
>> >>>> >>> can you guide me through to get "whole backtrace" please?
>> >>>> >>
>> >>>> >>
>> >>>> >> After opening the core like you did, type "bt" and press enter.
>> >>>> >>
>> >>>> >>>
>> >>>> >>>
>> >>>> >>>
>> >>>> >>> On Tue, Aug 27, 2013 at 5:19 PM, Fernando Apestegu=C3=ADa <
>> fernando.apesteguia@gmail.com> wrote:
>> >>>> >>>>
>> >>>> >>>>
>> >>>> >>>> El 27/08/2013 05:03, "alexus" <alexus@gmail.com> escribi=C3=B3=
:
>> >>>> >>>>
>> >>>> >>>>
>> >>>> >>>> >
>> >>>> >>>> > f9# gdb `which bsnmpd` /bsnmpd.core
>> >>>> >>>> > 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"...(no
>> debugging symbols
>> >>>> >>>> > found)...
>> >>>> >>>> > Core was generated by `bsnmpd'.
>> >>>> >>>> > Program terminated with signal 6, Aborted.
>> >>>> >>>> > Reading symbols from /lib/libbegemot.so.4...(no debugging
>> symbols
>> >>>> >>>> > found)...done.
>> >>>> >>>> > Loaded symbols for /lib/libbegemot.so.4
>> >>>> >>>> > Reading symbols from /usr/lib/libbsnmp.so.6...(no debugging
>> symbols
>> >>>> >>>> > found)...done.
>> >>>> >>>> > Loaded symbols for /usr/lib/libbsnmp.so.6
>> >>>> >>>> > Reading symbols from /usr/lib/libwrap.so.6...(no debugging
>> symbols
>> >>>> >>>> > found)...done.
>> >>>> >>>> > Loaded symbols for /usr/lib/libwrap.so.6
>> >>>> >>>> > Reading symbols from /lib/libc.so.7...(no debugging symbols
>> found)...done.
>> >>>> >>>> > Loaded symbols for /lib/libc.so.7
>> >>>> >>>> > Reading symbols from /lib/libcrypto.so.6...(no debugging
>> symbols
>> >>>> >>>> > found)...done.
>> >>>> >>>> > Loaded symbols for /lib/libcrypto.so.6
>> >>>> >>>> > Reading symbols from /usr/lib/snmp_mibII.so...(no debugging
>> symbols
>> >>>> >>>> > found)...done.
>> >>>> >>>> > Loaded symbols for /usr/lib/snmp_mibII.so
>> >>>> >>>> > Reading symbols from /libexec/ld-elf.so.1...(no debugging
>> symbols
>> >>>> >>>> > found)...done.
>> >>>> >>>> > Loaded symbols for /libexec/ld-elf.so.1
>> >>>> >>>> > #0  0x0000000800f54d6c in kill () from /lib/libc.so.7
>> >>>> >>>> > (gdb)
>> >>>> >>>>
>> >>>> >>>> Is that the whole backtrace?
>> >>>> >>>>
>> >>>> >>>> >
>> >>>> >>>> >
>> >>>> >>>> >
>> >>>> >>>> > On Mon, Aug 26, 2013 at 10:42 PM, James Gosnell <
>> jamesgosnell@gmail.com>wrote:
>> >>>> >>>> >
>> >>>> >>>> > > What's the core dump and your config file look like?
>> >>>> >>>> > >
>> >>>> >>>> > >
>> >>>> >>>> > > On Mon, Aug 26, 2013 at 9:28 PM, alexus <alexus@gmail.com>
>> wrote:
>> >>>> >>>> > >
>> >>>> >>>> > > > My bsnmpd(1) keep crashing(
>> >>>> >>>> > > >
>> >>>> >>>> > > > f9# uname -a
>> >>>> >>>> > > > FreeBSD f9.alexus.org 9.1-RELEASE-p6 FreeBSD
>> 9.1-RELEASE-p6 #0: Wed Aug
>> >>>> >>>> > > 21
>> >>>> >>>> > > > 20:40:52 UTC 2013
>> >>>> >>>> > > > root@amd64-builder.daemonology.net:
>> /usr/obj/usr/src/sys/GENERIC
>> >>>> >>>> > > >  amd64
>> >>>> >>>> > > > f9# bzip2 -cd all.log.1.bz2 | grep snmpd
>> >>>> >>>> > > > Aug 24 20:59:55 f9 snmpd[4517]: stack overflow detected;
>> terminated
>> >>>> >>>> > > > Aug 24 20:59:55 f9 kernel: Aug 24 20:59:55 f9
>> snmpd[4517]: stack overflow
>> >>>> >>>> > > > detected; terminated
>> >>>> >>>> > > > Aug 24 20:59:56 f9 kernel: pid 4517 (bsnmpd), uid 0:
>> exited on signal 6
>> >>>> >>>> > > > (core dumped)
>> >>>> >>>> > > > f9# head -1 /etc/snmpd.config
>> >>>> >>>> > > > # $FreeBSD: release/9.1.0/etc/snmpd.config 216595
>> 2010-12-20 17:28:15Z
>> >>>> >>>> > > > syrinx $
>> >>>> >>>> > > > f9#
>> >>>> >>>> > > >
>> >>>> >>>> > > > What can I do to resolve it?
>> >>>> >>>> > > >
>> >>>> >>>> > > > --
>> >>>> >>>> > > > http://alexus.org/
>> >>>> >>>> > > > _______________________________________________
>> >>>> >>>> > > > freebsd-questions@freebsd.org mailing list
>> >>>> >>>> > > >
>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>> >>>> >>>> > > > To unsubscribe, send any mail to "
>> >>>> >>>> > > > freebsd-questions-unsubscribe@freebsd.org"
>> >>>> >>>> > > >
>> >>>> >>>> > >
>> >>>> >>>> > >
>> >>>> >>>> > >
>> >>>> >>>> > > --
>> >>>> >>>> > > James Gosnell, ACP
>> >>>> >>>> > > _______________________________________________
>> >>>> >>>> > > freebsd-questions@freebsd.org mailing list
>> >>>> >>>> > > http://lists.freebsd.org/mailman/listinfo/freebsd-question=
s
>> >>>> >>>> > > To unsubscribe, send any mail to "
>> >>>> >>>> > > freebsd-questions-unsubscribe@freebsd.org"
>> >>>> >>>> > >
>> >>>> >>>> >
>> >>>> >>>> >
>> >>>> >>>> >
>> >>>> >>>> > --
>> >>>> >>>> > http://alexus.org/
>> >>>> >>>> > _______________________________________________
>> >>>> >>>> > freebsd-questions@freebsd.org mailing list
>> >>>> >>>> > http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>> >>>> >>>> > To unsubscribe, send any mail to "
>> freebsd-questions-unsubscribe@freebsd.org"
>> >>>> >>>
>> >>>> >>>
>> >>>> >>>
>> >>>> >>>
>> >>>> >>> --
>> >>>> >>> http://alexus.org/
>> >>>> >>
>> >>>> >>
>> >>>> >
>> >>>> >
>> >>>> >
>> >>>> > --
>> >>>> > http://alexus.org/
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> http://alexus.org/
>> >>
>> >>
>> >
>> >
>> >
>> > --
>> > http://alexus.org/
>>
>
>
>
> --
> http://alexus.org/
>



--=20
http://alexus.org/



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?CAJxePNJf+6qD26uutE=wL6JZ+UHGQMs0shtnKSECaiQrH+nA9A>