Fix alias in PreMixing configuration for APV simulation

[fabiocos]

PR description:

The integration of #28355 has caused a massive relval failure in CMSSW_11_0_X_2019-11-21-2300 due to a problem in the configuration of alias for PreMixing. This PR suggests a fix, to ve confirmed and validated by experts @mmusich @makortel .

PR validation:

The failing configurations (250400.0) now run. This does not fix yet 20634.99 .

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-28454/12880

• This PR adds an extra 12KB to repository

[cmsbuild]

A new Pull Request was created by @fabiocos (Fabio Cossutti) for master.

It involves the following packages:

SimGeneral/MixingModule

@cmsbuild, @civanch, @mdhildreth can you please review it and eventually sign? Thanks.
@makortel this is something you requested to watch as well.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[fabiocos]

please test workflow 250400.0,20634.99

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/3591/console Started: 2019/11/22 10:13

[cmsbuild]

-1

Tested at: 6598541

You can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a25756/3591/summary.html

I found follow errors while testing this PR

Failed tests: RelVals

• RelVals:

When I ran the RelVals I found an error in the following workflows:
20634.99 step3

runTheMatrix-results/20634.99_TTbar_14TeV+TTbar_14TeV_TuneCUETP8M1_2026D41PU_GenSimHLBeamSpotFull14+SingleNuE10_cf_2026D41PU_PremixHLBeamSpotFull14PU_Premix+DigiFullTriggerPUPRMXCombined_2026D41PU+RecoFullGlobalPUPRMX_2026D41PU+HARVESTFullGlobalPU_2026D41PU/step3_TTbar_14TeV+TTbar_14TeV_TuneCUETP8M1_2026D41PU_GenSimHLBeamSpotFull14+SingleNuE10_cf_2026D41PU_PremixHLBeamSpotFull14PU_Premix+DigiFullTriggerPUPRMXCombined_2026D41PU+RecoFullGlobalPUPRMX_2026D41PU+HARVESTFullGlobalPU_2026D41PU.log

[cmsbuild]

Comparison not run due to runTheMatrix errors (RelVals and Igprof tests were also skipped)

[fabiocos]

failure of 20634.99 as expected, all the other tests look ok

[civanch]

+1
I hope for 20634.99 work around will be found out

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (but tests are reportedly failing). This pull request will now be reviewed by the release team before it's merged. @davidlange6, @slava77, @smuzaffar, @fabiocos (and backports should be raised in the release meeting by the corresponding L2)

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-28454/12884

• This PR adds an extra 16KB to repository

[cmsbuild]

Pull request #28454 was updated. @cmsbuild, @civanch, @mdhildreth can you please check and sign again.

[fabiocos]

please test workflow 250400.0,20634.99,20634.21

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/3596/console Started: 2019/11/22 16:40

[fabiocos]

@civanch @makortel @mmusich this fix works in my private test, unless I see issues in the PR test I will merge it for next IB tonight

[mmusich]

Thanks!

[cmsbuild]

+1
Tested at: fe92500
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a25756/3596/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a25756/3596/summary.html

@slava77 comparisons for the following workflows were not done due to missing matrix map:

• /data/cmsbld/jenkins/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-a25756/20634.21_TTbar_14TeV+TTbar_14TeV_TuneCUETP8M1_2026D41PU_GenSimHLBeamSpotFull14+DigiFullTriggerPU_2026D41PU+RecoFullGlobalPU_ProdLike_2026D41PU+MiniAODFullGlobalPU_ProdLike_2026D41PU
• /data/cmsbld/jenkins/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-a25756/20634.99_TTbar_14TeV+TTbar_14TeV_TuneCUETP8M1_2026D41PU_GenSimHLBeamSpotFull14+SingleNuE10_cf_2026D41PU_PremixHLBeamSpotFull14PU_Premix+DigiFullTriggerPUPRMXCombined_2026D41PU+RecoFullGlobalPUPRMX_2026D41PU+HARVESTFullGlobalPU_2026D41PU
• /data/cmsbld/jenkins/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-a25756/250400.0_ZEE_13+FS_ZEE_13_PRMXUP15_PU25+HARVESTUP15FS+MINIAODMCUP15FS

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2785613
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2785271
• DQMHistoTests: Total skipped: 341
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 147 log files, 16 edm output root files, 34 DQM output files

[fabiocos]

+1

[fabiocos]

merge