cacti-0.8.8b: Multiple COMMENT arguments in "rrdtool graph" ??

Christian Adler <[email protected]>
Newsgroups gmane.network.cacti.user
Organization MCS Moorbek Computer Systeme GmbH
Message-ID <[email protected]>
Hi,

after upgrading to 0.8.8b we have problems with some thumbnail graphs.
In the logfile we found:

/usr/bin/rrdtool graph -  --imgformat=PNG  --start=1375857758
--end=1375944158  --title='spruce.ham.foo.bar - Errors - Gi1/0/2
Out-of-band-Mgmt via n@work'  --rigid  --base=1000  --height=100
--width=300  --alt-autoscale-max  --lower-limit='0'  --no-legend
COMMENT:"From 2013/08/07 08\:42\:38 To 2013/08/08 08\:42\:38\c"
--vertical-label='errors/sec'  --slope-mode  --font TITLE:7:  --font
AXIS:7:  --font LEGEND:8:  --font UNIT:7:
DEF:a='/var/www/cacti/rra/2/3623.rrd':'discards_in':AVERAGE
DEF:b='/var/www/cacti/rra/2/3623.rrd':'errors_in':AVERAGE
DEF:c='/var/www/cacti/rra/2/3623.rrd':'discards_out':AVERAGE
DEF:d='/var/www/cacti/rra/2/3623.rrd':'errors_out':AVERAGE
CDEF:cdefbh='a,UN,INF,UNKN,IF'  LINE1:a#FFAB00FF:''
LINE1:b#F51D30FF:''   LINE1:c#C4FD3DFF:''   LINE1:d#00694AFF:''
COMMENT:''   AREA:cdefbh#8F9286FF:''

This results in "ERROR: Expected some arguments after 'COMMENT:'" and no
thumbnail displayed.

rrdtool -V
RRDtool 1.3.8  Copyright 1997-2009 by Tobias Oetiker <[email protected]>
               Compiled Feb 23 2010 21:36:53


Why are there three COMMENT-arguments in this command??

How can we fix it?


Cheers
Christian



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