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%2B6qD26uutE=wL6JZ%2BUHGQMs0shtnKSECaiQrH%2BnA9A@mail.gmail.com> In-Reply-To: <CAJxePNLUGDi_K%2B9FczAooK5y-sYBB-gkwSkRtCv33p-m2BjUew@mail.gmail.com> References: <CAJxePN%2BTKu7VS2p2odo7iMce61hA5GgLC5TBp4O=Th9pR428AQ@mail.gmail.com> <CAEhBLvj25v%2BxWzNLCNPmmKd3V92v%2BWm%2BySJ-gL3VoT%2BDCwwoPA@mail.gmail.com> <CAJxePNJXr2Ln=mv=DHN6RWCGpL0w_QGjneeuB-SS6otE56ts2g@mail.gmail.com> <CAGwOe2b9LDtScpm7U0w3cfGR%2B80Exf-SNX%2BqFKu3CzsHWUYfiA@mail.gmail.com> <CAJxePNKfwN1_1Q1a_F_XL=NSuOoMHEktn%2BK-qxiP-42DHBaJjw@mail.gmail.com> <CAGwOe2bydwQZEObudtZwrOQ3vO=EYHjhw4VaD3G-bDxC_72wiQ@mail.gmail.com> <CAJxePN%2BHKHYeQ%2Bkj-4tvXui-ZrS1SEOe9A0MTV72818hL7ejTQ@mail.gmail.com> <CAGwOe2a83py3Sx9j_6wB4dkz0882NB%2BppZfN5VNwk2_0pfn=5g@mail.gmail.com> <CAJxePNLhgYCLaCR3mNEaTr2%2Bwmrs=cW6FyUokwxSXh_G%2BT5z3g@mail.gmail.com> <CAGwOe2agZGai4ftCg1Ywsw9ceG%2Bryd4074A3R7MG0sMdk7qz0g@mail.gmail.com> <CAJxePNKGBfJaprEYa=9Qy=hAohXJS9ZfG_0YvMoUk5%2B3W29qkA@mail.gmail.com> <CAGwOe2apznPDZoAbFRb6VfoVyzExw26i1AowZLVbDZFQNrCUew@mail.gmail.com> <CAJxePNLUGDi_K%2B9FczAooK5y-sYBB-gkwSkRtCv33p-m2BjUew@mail.gmail.com>
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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/
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