hi mark,

when running in outputlevel debug 

stack trace:
 0x596727a0 athena::debugaids::stacktrace(int)+0x60 ??:0   + 0x60 [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlascore/rel_2/installarea/i686-slc5-gcc43-opt/lib/libcxxutils.so]
 0x596737bf athena::signal::fataldump(int, siginfo*, void*)+0xff ??:0   + 0xff [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlascore/rel_2/installarea/i686-slc5-gcc43-opt/lib/libcxxutils.so]
 0x59673ad1 athena::signal::fatal(int, siginfo*, void*)+0x181 ??:0   + 0x181 [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlascore/rel_2/installarea/i686-slc5-gcc43-opt/lib/libcxxutils.so]
 0x5ab68706 coredumpsvchandler::action(int, siginfo*, void*)+0x106 ??:0   + 0x106 [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlascore/rel_2/installarea/i686-slc5-gcc43-opt/lib/libathenaservices.so]
 0xffffe600 &lt;unknown function&gt;
 0x66e1b14a msgstream&amp; operator&lt;&lt; &lt;std::vector&lt;float, std::allocator&lt;float&gt; &gt; &gt;(msgstream&amp;, std::vector&lt;float, std::allocator&lt;float&gt; &gt; const&amp;)+0x7a ??:0   + 0x7a [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlasreconstruction/rel_2/installarea/i686-slc5-gcc43-opt/lib/libeflowreclib.so]
 0x66e1530d cbntaa_eflow::cbnt_execute()+0x45d ??:0   + 0x45d [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlasreconstruction/rel_2/installarea/i686-slc5-gcc43-opt/lib/libeflowreclib.so]
 0x63aed615 cbnt_athenaawarebase::execute()+0x315 ??:0   + 0x315 [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlasevent/rel_2/installarea/i686-slc5-gcc43-opt/lib/libcbnt_utilslib.so]

job details are here:
https://atlasrtt.cern.ch/get/rtt/rel_2/devval/build/i686-slc5-gcc43-opt/atlasproduction/recexrecotest/mc10_outputlevel_debug#

cheers, rolf
