[15_1_X] Fix PbPb relvals

[stahlleiton]

backport of #50222

PR validation:

Tested with relvals 141.202,142.202,143.202,159.02,159.03,160.02,160.03,160.401,161.02,161.03,162.02,162.03

[cmsbuild]

A new Pull Request was created by @stahlleiton for CMSSW_15_1_X.

It involves the following packages:

• Configuration/PyReleaseValidation (pdmv)

@AdrianoDee, @DickyChant, @antoniovagnerini, @cmsbuild, @miquork can you please review it and eventually sign? Thanks.
@Martin-Grunewald, @fabiocos, @makortel, @slomeo this is something you requested to watch as well.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

• Backported from Fix PbPb relvals #50222

[cmsbuild]

cms-bot internal usage

[AdrianoDee]

test parameters:

• workflows = 141.202,142.202,143.202,159.02,159.03,160.02,160.03,160.401,161.02,161.03,162.02,162.03

[AdrianoDee]

please test

[cmsbuild]

+1

Size: This PR adds an extra 16KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-0e8338/52159/summary.html
COMMIT: 47dac12
CMSSW: CMSSW_15_1_X_2026-03-23-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/50407/52159/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially removed 6 lines from the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 829 differences found in the comparisons
• DQMHistoTests: Total files compared: 57
• DQMHistoTests: Total histograms compared: 5005261
• DQMHistoTests: Total failures: 31805
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4973436
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 56 files compared)
• Checked 279 log files, 245 edm output root files, 57 DQM output files
• TriggerResults: no differences found

[AdrianoDee]

+pdmv

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_15_1_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_16_1_X is complete. This pull request will now be reviewed by the release team before it's merged. @mandrenguyen, @sextonkennedy, @ftenchini (and backports should be raised in the release meeting by the corresponding L2)

[mandrenguyen]

+1