Revert "[10.6.X] Revert "change to 8240 in to handle high multiplicity bug""

[qliphy]

Reverts #6041, to move back to Pythia8240 with bug fix, as required by PPD (@srimanob)

cc: @SiewYan, @mkirsano @GurpreetSinghChahal @agrohsje @alberto-sanchez

[cmsbuild]

A new Pull Request was created by @qliphy (Qiang Li) 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

[qliphy]

please test

[cmsbuild]

The tests are being triggered in jenkins.

• CMSSW_10_6_X_2020-08-20-1100/slc7_amd64_gcc700: https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/8844/console Started: 2020/08/21 03:24

[cmsbuild]

+1
Tested at: 0d57494
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-159b54/8844/summary.html
CMSSW: CMSSW_10_6_X_2020-08-20-1100
SCRAM_ARCH: slc7_amd64_gcc700

[cmsbuild]

Comparison job queued.

[davidlange6]

how is the master being managed here?

[srimanob]

Hi @davidlange6
Master is on the newer version of Pythia already (8.243), so no change in master.
This is to keep 8.240 in Legacy release with bug fix.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-159b54/8844/summary.html

Comparison Summary:

• You potentially added 743 lines to the logs
• Reco comparison results: 41310 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 3214614
• DQMHistoTests: Total failures: 417099
• DQMHistoTests: Total nulls: 3
• DQMHistoTests: Total successes: 2797178
• DQMHistoTests: Total skipped: 334
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -24.974 KiB( 33 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 140 log files, 14 edm output root files, 34 DQM output files

[qliphy]

as expected the comparison result is opposite to #6041

[qliphy]

+1

[qliphy]

merge