Ruben Lopez

Hi all, So I computed the Ecal and Hcal isolation using RecHits instead of calotowers, and the weird structures seem to disappear. [1] CaloTower Ecal iso, [2] RecHit Ecal iso...

Apparently, I added the validation sequence to fastsim and this should not be there. I fixed it and rerun the tests and now they run OK.

Hi all, It looks like the crash is ultimately coming from this part of MuonTrajectoryUpdator.cc (which is one step below StandAloneMuonFilter.cc which Marco is addressing): https://github.com/cms-sw/cmssw/blob/f1b02548e1dfa1269f96ce117a39857e8d50cd89/RecoMuon/TrackingTools/src/MuonTrajectoryUpdator.cc#L157 which calls KFUpdator::update and...

> so this fixes all the 3 instances, (including the one in [run-380963](https://cms-talk.web.cern.ch/t/segmentation-violation-in-promptreco-for-parkingdoublemuonlowmass1-run-380963/41520) ), right? Then perhaps #45049 should be reverted. Well, I tested my modification on top of PR...

Hi @mmusich, the patch looks good, let me test it too to double check and I will implement it in CMSSW. If I understand correctly, it needs to be backported...