[rrd-developers] MRTG , Segmentation Fault , After re-installing perl .

[Tobias Oetiker]

Hi James,

the *.cfg_l file is normal after the second run it is used for
makeing sure that only one copy of mrtg is running.

whyy do you think there is a segfault occuring ?

try

# rm core
# ulimit -c unlimited
# ./mrtg mrtg.cfg

when there is a segfault you should now have a core file

# gdb --core=core perl

inside gdb type

> bt

cheers
tobi



Today Mr. James W. Laferriere wrote:

>  	Hello Kevin ,
>  	Ok ,  I grabbed 1.3.7 & compiled it & installed .
>  	I still have the mrtg-2.16.2 executable in place as mrtg-ORIG & tried
> that .
>  	I had a successful manual run using the test to-rtr01.cfg ,  no
> lingering *.cfg_l* file(s) .
>  	But on running it a second manual run I get those lingering *.cfg_l*
> file(s) ,  Output below of a mrtg --debug ...
>
>  	There still is the 'SegFault' which isn't very good ,  which
> cause the lingering files .
>
>  	I'll try getting you the rest of the data you requested .
>
>  		Tia ,  JimL
>
>
> # rm /var/www/htdocs/router2cgi/cfg/*_l_* ; /usr/local/mrtg-2/bin/mrtg-ORIG --debug="base,snpo,snpo2,coca,repo,fork,time,log,eval,prof" /var/www/htdocs/router2cgi/cfg/to-rtr01.cfg
> rm: cannot remove `/var/www/htdocs/router2cgi/cfg/*_l_*': No such file or directory
> --time: prog start Tue Apr  7 09:56:42 2009
> --base: Creating Lockfiles /var/www/htdocs/router2cgi/cfg/to-rtr01.cfg_l,/var/www/htdocs/router2cgi/cfg/to-rtr01.cfg_l_21578
> --base: Reading Config File: /var/www/htdocs/router2cgi/cfg/to-rtr01.cfg
> --base: Reading Interface Config cache
> --base: Checking Config File
> --base: Loading RRD support
> --base: Loading default Locale
> --base: Starting main Loop
> --time: loop start Tue Apr  7 09:56:42 2009
> --base: Populate Target object by polling SNMP and external Datasources
> --time: snmp read start Tue Apr  7 09:56:42 2009
> --snpo: run snmpget from ifInOctets&ifOutOctets:6f4 at I#NB$@to-rtr01
> --snpo: simple If: .1
> --snpo: simple If: .1
> --snpo: SNMPGet from 6f4 at I#NB$@to-rtr01: -- ifInOctets.1,ifOutOctets.1
> --snpo: SNMPfound -- '316328040', '1294124291'
> --snpo: run snmpget from ifInOctets&ifOutOctets:6f4 at I#NB$@to-rtr01
> --snpo: simple If: .2
> --snpo: simple If: .2
> --snpo: SNMPGet from 6f4 at I#NB$@to-rtr01: -- ifInOctets.2,ifOutOctets.2
> --snpo: SNMPfound -- '904537115', '4203066052'
> --snpo: run snmpget from ifInOctets&ifOutOctets:6f4 at I#NB$@to-rtr01
> --snpo: simple If: .3
> --snpo: simple If: .3
> --snpo: SNMPGet from 6f4 at I#NB$@to-rtr01: -- ifInOctets.3,ifOutOctets.3
> --snpo: SNMPfound -- 'undef', 'undef'
> --snpo: run snmpget from .1.3.6.1.2.1.2.2.1.14&.1.3.6.1.2.1.2.2.1.20:6f4 at I#NB$@to-rtr01
> --snpo: simple If: .1
> --snpo: simple If: .1
> --snpo: SNMPGet from 6f4 at I#NB$@to-rtr01: -- .1.3.6.1.2.1.2.2.1.14.1,.1.3.6.1.2.1.2.2.1.20.1
> --snpo: SNMPfound -- '18013', 'undef'
> --snpo: run snmpget from .1.3.6.1.2.1.2.2.1.14&.1.3.6.1.2.1.2.2.1.20:6f4 at I#NB$@to-rtr01
> --snpo: simple If: .2
> --snpo: simple If: .2
> --snpo: SNMPGet from 6f4 at I#NB$@to-rtr01: -- .1.3.6.1.2.1.2.2.1.14.2,.1.3.6.1.2.1.2.2.1.20.2
> --snpo: SNMPfound -- 'undef', 'undef'
> --snpo: run snmpget from .1.3.6.1.2.1.2.2.1.14&.1.3.6.1.2.1.2.2.1.20:6f4 at I#NB$@to-rtr01
> --snpo: simple If: .3
> --snpo: simple If: .3
> --snpo: SNMPGet from 6f4 at I#NB$@to-rtr01: -- .1.3.6.1.2.1.2.2.1.14.3,.1.3.6.1.2.1.2.2.1.20.3
> --snpo: SNMPfound -- 'undef', 'undef'
> --time: target loop start Tue Apr  7 09:56:42 2009
> --base: Act on Router/Target to-rtr01_1
> --base: Get Current values: in:316328040, out:1294124291, up:undef, name:undef, time:1239127002
> --base: Create Graphics
> --base: start RRDtool section
> --base: maxi:48000, maxo:48000
> --log: RRDs::tune(/var/www/htdocs/router2cgi/graphs/to-rtr01/to-rtr01_1.rrd -a ds0:48000 -a ds1:48000 -d ds0:COUNTER -d ds1:COUNTER)
> --prof: RRDs::tune /var/www/htdocs/router2cgi/graphs/to-rtr01/to-rtr01_1.rrd - 0.000s
> --log: RRDs::update(/var/www/htdocs/router2cgi/graphs/to-rtr01/to-rtr01_1.rrd, '1239127002:316328040:1294124291')
> Segmentation fault
>
> root at dsb-mntr01:~/bin# dir /var/www/htdocs/router2cgi/cfg/*to*rtr01*
> 12 -rw-r--r-- 1 root apache 11813 2009-04-02 12:15 /var/www/htdocs/router2cgi/cfg/to-rtr01.cfg
>   0 -rw-r--r-- 2 root root       0 2009-04-07 09:56 /var/www/htdocs/router2cgi/cfg/to-rtr01.cfg_l
>   0 -rw-r--r-- 2 root root       0 2009-04-07 09:56 /var/www/htdocs/router2cgi/cfg/to-rtr01.cfg_l_21578
>   0 -rw-r--r-- 1 root root       0 2009-04-07 09:52 /var/www/htdocs/router2cgi/cfg/to-rtr01.ok
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900