[14_2_X] Fix PbPb relvals

[stahlleiton]

backport of #50222

PR validation:

Tested with relvals 141.202,142.202,159.02,159.03,160.02,160.03,161.02,161.03

[cmsbuild]

A new Pull Request was created by @stahlleiton for CMSSW_14_2_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 = 141.202,142.202,159.02,159.03,160.02,160.03,161.02,161.03

[AdrianoDee]

please test

[cmsbuild]

+1

Size: This PR adds an extra 12KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a1b9f4/52154/summary.html
COMMIT: 8cfb3fd
CMSSW: CMSSW_14_2_X_2026-03-22-0000/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/50409/52154/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

There are some workflows for which there are errors in the baseline:
2024.101001 step 1
The results for the comparisons for these workflows could be incomplete
This means most likely that the IB is having errors in the relvals.The error does NOT come from this pull request

Summary:

• You potentially removed 6 lines from the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 537 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 3996088
• DQMHistoTests: Total failures: 23696
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3972372
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
• Checked 241 log files, 208 edm output root files, 50 DQM output files
• TriggerResults: found differences in 1 / 48 workflows

[AdrianoDee]

+pdmv

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_14_2_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. @ftenchini, @sextonkennedy, @mandrenguyen (and backports should be raised in the release meeting by the corresponding L2)

[mandrenguyen]

+1