Hi,
I'm using the newish rrdtool_libdbi stuff to graph some data out of a postgres
database and experiencing an odd crash.
# sh graphtest
*** glibc detected *** /usr/bin/rrdtool: double free or corruption (out):
0x00000000020499f0 ***
The actual RRD command i'm running is quite long/complex, but I was able to
trigger the crash even with something very simple,
/usr/bin/rrdtool graphv - --width 800 --height 450 --no-minor -M -E --start
1282338588 --end 1282424047 \
DEF:throughput=sql//pgsql/host=localhost/dbname=dbname/username=username/password=password//table/*timestamp
with timezone column/bigint column/keycolumn=simpleint:avg:AVERAGE \
LINE2:throughput#73C2FB:'throughput'
Interestingly, this issue only occurs on specific values of start/end, if I
adjust the above to graph like so:
/usr/bin/rrdtool graphv - --width 800 --height 450 --no-minor -M -E --start
1250888943 --end 1282424943 ... etc
It works fine
the first example is a 1-day period (--end now --start now-24 hours)
the second example is a 1-year period (--end now --start now-365 days)
I've put the full output from rrdtool here: http://adam.gs/rrdtool-crash.txt
I am running:
# rrdtool --version
RRDtool 1.4.3 Copyright 1997-2009 by Tobias Oetiker <[email protected]>
Compiled Aug 21 2010 16:55:06
I appreciate any help you could offer with this,
Thanks,
Adam
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