some muon rtt jobs failed due to:

caught signal 8(floating point exception). details: 
[...]
stack trace:
[...]
 0x3cfb811a5b ???  + 0x3cfb811a5b [/lib64/libm.so.6]
 0x3cfb823a04 log  + 0x14 [/lib64/libm.so.6]
 0x2aaac6cf4dc2 iscandidatematch ../src/emtrackmatchbuilder.cxx:640   + 0x142 [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlasreconstruction/rel_0/installarea/x86_64-slc5-gcc43-opt/lib/libegammatools.so]
 0x2aaac6cf70f2 trackexecute ../src/emtrackmatchbuilder.cxx:308   + 0x112 [/afs/cern.ch/atlas/software/builds/nightlies/devval/atlasreconstruction/rel_0/installarea/x86_64-slc5-gcc43-opt/lib/libegammatools.so]

probably this is due to uninitialized values using in calculations by the algorithm.

full log file:
https://atlasrtt.cern.ch/rtt_j_r/rel_0/devval/build/x86_64-slc5-gcc43-opt/offline/muonrecrtt/zmumu/zmumu_log

cheers, christian
muon sw shifter