[10.6] Include latest changes from 240 branch

[mrodozov]

please test
the change was proposed and discussed here cms-externals/pythia8#22

[cmsbuild]

The tests are being triggered in jenkins.

• CMSSW_10_6_X_2020-06-15-2300/slc7_amd64_gcc700: https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/7095/console Started: 2020/06/16 11:03

[cmsbuild]

A new Pull Request was created by @mrodozov (Mircho Rodozov) for branch IB/CMSSW_10_6_X/gcc700.

@cmsbuild, @smuzaffar, @mrodozov, @tulamor can you please review it and eventually sign? Thanks.
cms-bot commands are listed here

[cmsbuild]

+1
Tested at: a0b31d8
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fa2bd2/7095/summary.html
CMSSW: CMSSW_10_6_X_2020-06-15-2300
SCRAM_ARCH: slc7_amd64_gcc700

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-fa2bd2/7095/summary.html

Comparison Summary:

• You potentially added 790 lines to the logs
• Reco comparison results: 41175 differences found in the comparisons
• DQMHistoTests: Total files compared: 33
• DQMHistoTests: Total histograms compared: 3212264
• DQMHistoTests: Total failures: 417079
• DQMHistoTests: Total nulls: 3
• DQMHistoTests: Total successes: 2794848
• DQMHistoTests: Total skipped: 334
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -24.974 KiB( 32 files compared)
• DQMHistoSizes: changed ( 10224.0 ): 0.786 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 10824.0,... ): -12.992 KiB HLT/HLTEgammaValidation
• DQMHistoSizes: changed ( 250202.181 ): 0.225 KiB SiStrip/MechanicalView
• Checked 137 log files, 14 edm output root files, 33 DQM output files

[smuzaffar]

+externals

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_10_6_X/gcc700 IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo (and backports should be raised in the release meeting by the corresponding L2)

[smuzaffar]

@silviodonato , please feel free to merge it. This is follow up of cms-externals/pythia8#22

[silviodonato]

bug-fix
(see cms-externals/pythia8#22)

[silviodonato]

+1

[qliphy]

@silviodonato @smuzaffar @mrodozov Thanks！ Can you make a new 10_6_X release to include this?

[smuzaffar]

@qliphy , there is a new request to patch pythia8 ( cms-externals/pythia8#23 ) . Shouldn't we wait for that to be included before building the 10.6 release?

[qliphy]

@smuzaffar Ok, let's wait for that. Thanks.