strace

root [1] using o2::ITS::CA::Layer;
root [2] Layer layer(2)
(o2::ITS::CA::Layer &) @0x7fe459098020
root [3] layer.addCluster(80103, 39.336300, -2.570910, 71.787003, 8935)

 *** Break *** segmentation violation



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There was a crash.
This is the entire stack trace of all threads:
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#0  0x00007fe4578eedbc in waitpid () from /lib64/libc.so.6
#1  0x00007fe457871cc2 in do_system () from /lib64/libc.so.6
#2  0x00007fe458919a22 in TUnixSystem::Exec (shellcmd=<optimized out>, this=0x1b8c8e0) at /home/concas/alice/sw/SOURCES/ROOT/v6-10-08/v6-10-08/core/unix/src/TUnixSystem.cxx:2118
#3  TUnixSystem::StackTrace (this=0x1b8c8e0) at /home/concas/alice/sw/SOURCES/ROOT/v6-10-08/v6-10-08/core/unix/src/TUnixSystem.cxx:2412
#4  0x00007fe45891be8c in TUnixSystem::DispatchSignals (this=0x1b8c8e0, sig=kSigSegmentationViolation) at /home/concas/alice/sw/SOURCES/ROOT/v6-10-08/v6-10-08/core/unix/src/TUnixSystem.cxx:3643
#5  <signal handler called>
#6  0x00007fe44cd83728 in o2::ITS::CA::IndexTableUtils::getZBinIndex (zCoordinate=71.7870026, layerIndex=8935) at /home/concas/alice/sw/SOURCES/O2/dev/0/Detectors/ITSMFT/ITS/reconstruction/include/ITSReconstruction/CA/IndexTableUtils.h:49
#7  o2::ITS::CA::Cluster::Cluster (this=0x3273170, orderingId=80103, xCoord=39.3362999, yCoord=<optimized out>, zCoord=71.7870026, layerIndex=8935) at /home/concas/alice/sw/SOURCES/O2/dev/0/Detectors/ITSMFT/ITS/reconstruction/src/CA/Cluster.cxx:33
#8  0x00007fe458ebe58f in ?? ()
#9  0x00007ffdb34dba5c in ?? ()
#10 0x0000000000000000 in ?? ()
===========================================================


The lines below might hint at the cause of the crash.
You may get help by asking at the ROOT forum http://root.cern.ch/forum.
Only if you are really convinced it is a bug in ROOT then please submit a
report at http://root.cern.ch/bugs. Please post the ENTIRE stack trace
from above as an attachment in addition to anything else
that might help us fixing this issue.
===========================================================
#6  0x00007fe44cd83728 in o2::ITS::CA::IndexTableUtils::getZBinIndex (zCoordinate=71.7870026, layerIndex=8935) at /home/concas/alice/sw/SOURCES/O2/dev/0/Detectors/ITSMFT/ITS/reconstruction/include/ITSReconstruction/CA/IndexTableUtils.h:49
#7  o2::ITS::CA::Cluster::Cluster (this=0x3273170, orderingId=80103, xCoord=39.3362999, yCoord=<optimized out>, zCoord=71.7870026, layerIndex=8935) at /home/concas/alice/sw/SOURCES/O2/dev/0/Detectors/ITSMFT/ITS/reconstruction/src/CA/Cluster.cxx:33
#8  0x00007fe458ebe58f in ?? ()
#9  0x00007ffdb34dba5c in ?? ()
#10 0x0000000000000000 in ?? ()
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