From owner-freebsd-questions@FreeBSD.ORG Wed Sep 4 15:57:46 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id DC055E45 for ; Wed, 4 Sep 2013 15:57:46 +0000 (UTC) (envelope-from alexus@gmail.com) Received: from mail-oa0-x231.google.com (mail-oa0-x231.google.com [IPv6:2607:f8b0:4003:c02::231]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 9D8742DBC for ; Wed, 4 Sep 2013 15:57:46 +0000 (UTC) Received: by mail-oa0-f49.google.com with SMTP id i7so660610oag.8 for ; Wed, 04 Sep 2013 08:57:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=7LEJnLZ5tewYsHjh9AkPsRGUw3M+AQc6zLPnGJI/YSA=; b=uUQMeVYrzhHbukdB0rCSSOdO/mS9DK22OfQi1xmNbIx2TpsKc707Fg1XGui8u+4eP3 LxBY6cgTQ8osmjHJQd163XjLPiogmNVW4cQxXSMJoP1ZML9wDh+x4Yb2PKlqcngMdmWX X5hsRQdK9RQRiepb8G2vyPadGUeffIqlCAXKPU86o+LJHirjAWR4Dc1Y+WNVJmTZLym0 JnPYt/A80oXH/IDw1iGK2IqSLgL1OTo2LUROTlZcGiY/FrzOdZ74G+J19zqbXw/OUN// kuwDxpdvW11GqcxeagVLso0GCD3O+/tetDWaQ7k0TRiI2DEzXn1Iz2pU024sbgeYLe7P 98vA== MIME-Version: 1.0 X-Received: by 10.182.130.131 with SMTP id oe3mr2711926obb.34.1378310265645; Wed, 04 Sep 2013 08:57:45 -0700 (PDT) Received: by 10.76.33.193 with HTTP; Wed, 4 Sep 2013 08:57:45 -0700 (PDT) In-Reply-To: References: Date: Wed, 4 Sep 2013 11:57:45 -0400 Message-ID: Subject: Re: f9 snmpd[4517]: stack overflow detected; terminated From: alexus To: =?UTF-8?Q?Fernando_Apestegu=C3=ADa?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: User Questions , James Gosnell X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Sep 2013 15:57:46 -0000 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 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" 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 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" 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 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" 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 >> 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/