[mrtg] Re: gd-png: fatal libpng error: Invalid filter type specified

[JAMIE CRAWFORD]

In re to your question, I had the exact same problem and RONAN PLANTEC
replied with the easiest fix which worked like a charm. "Try with
mrtg-2.9.17-3 (delivered with the RED HAT 7.3) instead of
mrtg-2.9.22-2..2.i386.rpm It should work better"   I do not know what is
wrong with the new release, but I could not get it to work either. Hope
this helps and thanks Ronan!!!

> Hi,
> Trying to get MRTG to work on my Redhat 7.3 box.  I can get
everything
> to display but the charts.  I can get this to work on my XP box
fine,
> but as usual I am having a headache trying to get this to work under
> linux.  Any help is appreciated.
> Thanks
> Jamie Crawford
> 
> OS:
> Redhat 7.3
> 
> RPMS that are installed
> mrtg-2.9.22-2..2.i386.rpm
> gd-1.8.4-4.i386.rpm
> libpng-1.0.12-2.i386.rpm
> 
> 
> ERROR:
> [root at predator mrtg]# mrtg /etc/mrtg/mrtg.cfg
> 
> gd-png:  fatal libpng error: Invalid filter type specified
> gd-png error: setjmp returns error condition
> 
> 
> CONTENTS OF /etc/mrtg/mrtg.cfg
> 
> # Created by
> # /usr/bin/cfgmaker --output /etc/mrtg/mrtg.cfg public at 153.91.139.1
> 
> 
> ### Global Config Options
> 
> #  for UNIX
> WorkDir: /var/www/html/mrtg
> 
> #  or for NT
> # WorkDir: c:\mrtgdata
> 
> ### Global Defaults
> 
> #  to get bits instead of bytes and graphs growing to the right
> # Options[_]: growright, bits
> 
> 
>
######################################################################
> # System: BayStack Ethernet NMM
> # Description: Bay Networks Inc., BayStack Ethernet Adv NMM Agent
> V2.0.0,
> #          Compile Date: Jun 27 1997, Time: 15:23:36
> # Contact: Network Services
> # Location: Foster 1st Floor
>
######################################################################
> 
> 
> ### Interface 1 >> Descr: 'et01' | Name: '' | Ip: '153.91.139.1' |
Eth:
> '00-00-81-0e-57-f8' ###
> 
> Target[153.91.139.1_1]: 1:public at 153.91.139.1:
> SetEnv[153.91.139.1_1]: MRTG_INT_IP="153.91.139.1"
MRTG_INT_DESCR="et01"
> MaxBytes[153.91.139.1_1]: 1250000
> Title[153.91.139.1_1]: Traffic Analysis for 1 -- BayStack Ethernet
NMM
> PageTop[153.91.139.1_1]: <H1>Traffic Analysis for 1 -- BayStack
Ethernet
> NMM</H1>
>  <TABLE>
>    <TR><TD>System:</TD>     <TD>BayStack Ethernet NMM in Foster 1st
> Floor</TD></TR>
>    <TR><TD>Maintainer:</TD> <TD>Network Services</TD></TR>
>    <TR><TD>Description:</TD><TD>et01  </TD></TR>
>    <TR><TD>ifType:</TD>     <TD>ethernetCsmacd (6)</TD></TR>
>    <TR><TD>ifName:</TD>     <TD></TD></TR>
>    <TR><TD>Max Speed:</TD>  <TD>1250.0 kBytes/s</TD></TR>
>    <TR><TD>Ip:</TD>         <TD>153.91.139.1 ()</TD></TR>
>  </TABLE>
> 
> 
******************************************************

>>> Alex van den Bogaerdt <alex at ergens.op.het.net> 09/18/02 07:00PM
>>>

On Wed, Sep 18, 2002 at 04:37:43PM -0500, Laykiong Ong wrote:

> I am trying to install MRTG 2.9.22-2.7.2 on RedHat 7.3 and is
encountering
> problems with the graphic files, png.  I see that two other users on
this
> list are also encountering the same problem.  Anyone has any ideas
what
> could be causing the problem?

There is no "MRTG 2.9.22-2.7.2" so I guess you have to ask the
person that created this distribution.

cat /etc/redhat-release
Red Hat Linux release 7.3 (Valhalla)

I've just downloaded the source straight from the home of mrtg
and it worked.  It is thus not an MRTG problem.

I guess your package was not built on RH7.3 and the dependencies
aren't setup properly.

Alex

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