Initialise the EcalElectronicsMappingHost with null detids [14.0.x]

[fwyzard]

PR description:

Initialise the EcalElectronicsMappingHost with null detids explicitly, instead of relying on uninitialised memory.

PR validation:

Fixes #44956.
Running the HLT with export MALLOC_CONF=junk:true now works.

If this PR is a backport please specify the original PR and why you need to backport that PR. If this PR will be backported please specify to which release cycle the backport is meant for:

Backported of #45209 to 14.0.x for data taking.

[fwyzard]

type bugfix

[fwyzard]

backport #45209

[fwyzard]

type ecal

[fwyzard]

enable gpu

[cmsbuild]

A new Pull Request was created by @fwyzard for CMSSW_14_0_X.

It involves the following packages:

• EventFilter/EcalRawToDigi (reconstruction)

@jfernan2, @cmsbuild, @mandrenguyen can you please review it and eventually sign? Thanks.
@ReyerBand, @missirol, @wang0jin, @thomreis, @argiro, @rchatter, @Martin-Grunewald this is something you requested to watch as well.
@rappoccio, @sextonkennedy, @antoniovilela you are the release manager for this.

cms-bot commands are listed here

• Backported from Initialise the EcalElectronicsMappingHost with null detids #45209

[cmsbuild]

cms-bot internal usage

[fwyzard]

please test

[fwyzard]

@thomreis @VinInn FYI

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-ab4068/39856/summary.html
COMMIT: 3e7d8d4
CMSSW: CMSSW_14_0_X_2024-06-12-1600/el8_amd64_gcc12
Additional Tests: GPU
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/45210/39856/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 82 lines to the logs
• Reco comparison results: 48 differences found in the comparisons
• DQMHistoTests: Total files compared: 48
• DQMHistoTests: Total histograms compared: 3339338
• DQMHistoTests: Total failures: 6
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3339312
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 47 files compared)
• Checked 202 log files, 165 edm output root files, 48 DQM output files
• TriggerResults: no differences found

GPU Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 35 differences found in the comparisons
• DQMHistoTests: Total files compared: 3
• DQMHistoTests: Total histograms compared: 39740
• DQMHistoTests: Total failures: 1056
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 38684
• DQMHistoTests: Total skipped: 0
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 2 files compared)
• Checked 8 log files, 10 edm output root files, 3 DQM output files
• TriggerResults: no differences found

[jfernan2]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_14_0_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_14_1_X is complete. This pull request will now be reviewed by the release team before it's merged. @sextonkennedy, @antoniovilela, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[rappoccio]

+1