Here are the two files I tried - not from the same machine. The foo.xml works, 
the topo.xml segfaults


Attachment: topo.xml
Description: XML document

Attachment: foo.xml
Description: XML document


One of our users reported it from their machine, but I don't have their topo 
file.

On Sep 20, 2013, at 2:41 PM, Brice Goglin <brice.gog...@inria.fr> wrote:

> Hello,
> I don't see anything reason for such an incompatibility. But there are
> many combinations, we can't test everything.
> I can't reproduce that on my machines. Can you send the XML output of
> both versions on one of your machines?
> Brice
> 
> 
> 
> Le 20/09/2013 23:32, Ralph Castain a écrit :
>> Hi folks
>> 
>> I've run across a rather strange behavior. We have two branches in OMPI - 
>> the devel trunk (using hwloc v1.7.2) and our feature release series (using 
>> hwloc 1.5.2). I have found the following:
>> 
>> *the feature series can correctly load an xml file generated by lstopo of 
>> versions 1.5 or greater
>> 
>> * the devel series can correctly load an xml file generated by lstopo of 
>> versions 1.7 or greater, but not files generated by prior versions. In the 
>> latter case, I segfault as soon as I try to use the loaded topology.
>> 
>> Any ideas why the discrepancy? Can I at least detect the version used to 
>> create a file when loading it so I can error out instead of segfaulting?
>> 
>> Ralph
>> 
>> _______________________________________________
>> hwloc-devel mailing list
>> hwloc-de...@open-mpi.org
>> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-devel
> 
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