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<div style="">I think '<span style="font-weight: bold;">isnan</span>' is a symbol in the libm maths library; the error message you give seems to indicate that librrd is loading, but is trying to access a symbol that doesnt exist.
<br>
<br>
Checking the current version on RHEL5, I see that <span style="font-weight: bold;">
isnan </span>is now a <span style="font-weight: bold;">#define</span> rather than a library function. This would seem to indicate that your rrdtool was compiled using an older version of the maths library that expects
<span style="font-weight: bold;">isnan </span>to be a symbol in<span style="font-weight: bold;"> libm.so</span> rather than an inline compile.<br>
<br>
I'd suggest you recompile rrdtool using the current libraries on the system you have; or, install the older version of
<span style="font-weight: bold;">libm </span>in parallel, if possible. The package you're installing seem to have been built with a too-old C compiler.<br>
<br>
Steve<br>
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<div style="font-family: Tahoma; font-size: 13px;"><strong>Steve Shipway</strong></div>
<div style="font-family: Tahoma; font-size: 13px;">University of Auckland ITS</div>
<div style="font-family: Tahoma; font-size: 13px;"><em>UNIX Systems Design Lead</em></div>
<div style="font-family: Tahoma; font-size: 13px;"><a href="mailto:s.shipway@auckland.ac.nz">s.shipway@auckland.ac.nz</a></div>
<div style="font-family: Tahoma; font-size: 13px;">Ph: +64 9 373 7599 ext 86487</div>
<div style="font-family: Tahoma; font-size: 13px;"><em></em> </div>
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<div style="direction: ltr;" id="divRpF299311"><font size="2" color="#000000" face="Tahoma"><b>From:</b> Jose Ignacio Gil Jaldo [naranja82@gmail.com]<br>
<b>Sent:</b> Thursday, 2 December 2010 10:54 a.m.<br>
<b>To:</b> Steve Shipway<br>
<b>Cc:</b> rrd-users@lists.oetiker.ch<br>
<b>Subject:</b> Re: [rrd-users] RRDTool as a server in Solaris<br>
</font><br>
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<div>Hi Steve,<br>
<br>
I tried. However, I've been trying truss and ldd to check if the necessary libraries exists but I didn't get any clue.<br>
<br>
I've found that library but in the end it says:<br>
/opt/csw/lib/i386/librrd.so.4: symbol isnan: referenced symbol not found<br>
<br>
which from my point of view could mean that there is a version mismatch.<br>
<br>
There's something strange I've seen and it's that I have two different directory branches with similar libraries:<br>
<br>
/opt/csw/lib and /export/home/opt/csw/lib most of the required libraries seem to be in /export/home/opt/csw/lib (as you mention maybe that directory is not in library classpath.<br>
<br>
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