running mcp rtt in rel_0 dev, devval i get the following fpe.
below you find the stack trace.

cheers,
   biagio


(pid=574 ppid=32038) received fatal signal 8 (floating point exception)
signal context:
  signo  = 8, errno = 0, code = 3 (floating point divide by zero)
  pid    = 1880844947, uid = -1073143301
  value  = (1413754136, 0x54442d18)
  addr   = 0x701b6a93
  stack  = (2, 0, (nil))

  eip: 0023:701b6a93           eflags: 00210286
  eax: 0f6f2820   ebx: 701ea5b4   ecx: 4035639b   edx: 00000000
  esi: 277b8a98   edi: 4287d690   ebp: ff8e9338   esp: ff8e9300
   ds: 002b        es: 002b        fs: 0000        ss: 002b

  signal esp: ff8e9300  trap: 16/0  oldmask: 00000000   cr2: 00000000

  fpu:  control = ffff0372
        status  = ffffb0a4
        tag     = ffff1fff
        ip      = 0010:701b510f
        data    = 002b:00000000
        state   = 0000b0a4
    %fp0 = [0000:0000000000000000]
    %fp1 = [bffc:0000dfc270b783cb]
    %fp2 = [0000:0000000000000000]
    %fp3 = [4004:07822ca3fa018182]
    %fp4 = [4000:0000000029348d4f]
    %fp5 = [0000:0000000000000000]
    %fp6 = [3fff:000000003800b1f3]
    %fp7 = [3fff:00000000d19ab38c]

stack trace:
 0x5958d690 athena::debugaids::stacktrace(int) + 0x60 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libcxxutils.so]
 0x59589f5f athena::signal::fataldump(int, siginfo*, void*) + 0xff [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libcxxutils.so]
 0x5958a271 athena::signal::fatal(int, siginfo*, void*) + 0x181 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libcxxutils.so]
 0x5a8db4d6 coredumpsvchandler::action(int, siginfo*, void*) + 0x106 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libathenaservices.so]
 0xffffe600 &lt;unknown function&gt;
 0x701b6a93 trackincalotools::pathinsidecell(calocell const*, trk::parameterst&lt;trk::charged&gt; const*, trk::parameterst&lt;trk::charged&gt; const*) + 0x143 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_0/installarea/i686-slc5-gcc43-opt/lib/libtrackincalotools.so]
 0x701b6b70 trackincalotools::cellcrossedbytrack(calocell const*, trk::parameterst&lt;trk::charged&gt; const*, trk::parameterst&lt;trk::charged&gt; const*) + 0x40 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_0/installarea/i686-slc5-gcc43-opt/lib/libtrackincalotools.so]
 0x701bc108 trackincalotools::getcellscrossedbytrack(trk::parameterst&lt;trk::charged&gt; const*, tict::calolayer, tict::calolayer, bool) + 0x498 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_0/installarea/i686-slc5-gcc43-opt/lib/libtrackincalotools.so]
 0x701cb56c trackincalotools::getcellscrossedbytrack(trk::track const*, tict::calolayer, tict::calolayer, bool) + 0x4c [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_0/installarea/i686-slc5-gcc43-opt/lib/libtrackincalotools.so]
 0x75d0f0d3 rec::trackincalotimingtool::timemeasurements(trk::track const&amp;) const + 0x103 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_0/installarea/i686-slc5-gcc43-opt/lib/libtrackincalotimingtools.so]
 0x75ad694d rec::muoncombinedtimingtool::timemeasurements(analysis::muon const&amp;) const + 0x46d [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasreconstruction/rel_0/installarea/i686-slc5-gcc43-opt/lib/libmuoncombinedtimingtools.so]
 0x73de5a9e d3pd::muontimingfillertool::studymuontracksp(analysis::muon const*) + 0x20e [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libmuond3pdmaker.so]
 0x73de6e6c d3pd::muontimingfillertool::muoncombskeleton(analysis::muon const&amp;) + 0xfc [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libmuond3pdmaker.so]
 0x73de75b4 d3pd::muontimingfillertool::fill(analysis::muon const&amp;) + 0xa4 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libmuond3pdmaker.so]
 0x73d2b0d5 d3pd::blockfillertool&lt;analysis::muon&gt;::filluntyped(void const*, bool) + 0xc5 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libmuond3pdmaker.so]
 0x6adbb834 d3pd::vectorfillertoolbase::fillonce(void const*, unsigned int, unsigned int&amp;, unsigned int&amp;, std::vector&lt;unsigned long, std::allocator&lt;unsigned long&gt; &gt; const&amp;, std::vector&lt;unsigned long, std::allocator&lt;unsigned long&gt; &gt;&amp;) + 0x1e4 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libd3pdmakerutils.so]
 0x6adbbc84 d3pd::vectorfillertoolbase::dofill(d3pd::iiteration&amp;, unsigned int) + 0x144 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libd3pdmakerutils.so]
 0x6ad4a86a d3pd::vectorfillertool::fill() + 0x1ca [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libd3pdmakercorecomps.so]
 0x6ad3daaa d3pd::makeralg::execute() + 0x43a [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlasanalysis/rel_0/installarea/i686-slc5-gcc43-opt/lib/libd3pdmakercorecomps.so]
 0x58a8d9bd algorithm::sysexecute() + 0x11d [/afs/cern.ch/atlas/software/builds/nightlies/dev/gaudi/rel_0/installarea/i686-slc5-gcc43-opt/lib/libgaudikernel.so]
 0x5a8c6e72 athenaeventloopmgr::executeevent(void*) + 0xa52 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libathenaservices.so]
 0x5a8c5942 athenaeventloopmgr::nextevent(int) + 0x8a2 [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libathenaservices.so]
 0x5a8bf5eb athenaeventloopmgr::executerun(int) + 0x1b [/afs/cern.ch/atlas/software/builds/nightlies/dev/atlascore/rel_0/installarea/i686-slc5-gcc43-opt/lib/libathenaservices.so]
 0x5a049d09 applicationmgr::executerun(int) + 0x79 [/afs/cern.ch/atlas/software/builds/nightlies/dev/gaudi/rel_0/installarea/i686-slc5-gcc43-opt/lib/libgaudisvc.so]
 0x5976df2d _zn12_global__n_1l11method_4294epvs0_rkst6vectoris0_sais0_ees0_ dictionary_dict.cpp:0 + 0x5976df2d 