Initialise the EcalElectronicsMappingHost with null detids

[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:

To be backported to 14.0.x for data taking.

[fwyzard]

enable gpu

[fwyzard]

please test

[fwyzard]

type bugfix

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-45209/40560

• This PR adds an extra 24KB to repository

[cmsbuild]

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

It involves the following packages:

• EventFilter/EcalRawToDigi (reconstruction)

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

cms-bot commands are listed here

[fwyzard]

type ecal

[fwyzard]

@thomreis @VinInn FYI

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-67bb93/39855/summary.html
COMMIT: 8f1aa81
CMSSW: CMSSW_14_1_X_2024-06-12-1900/el8_amd64_gcc12
Additional Tests: GPU
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/45209/39855/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially removed 4 lines from the logs
• Reco comparison results: 8 differences found in the comparisons
• DQMHistoTests: Total files compared: 48
• DQMHistoTests: Total histograms compared: 3345018
• DQMHistoTests: Total failures: 3
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3344995
• 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: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 3
• DQMHistoTests: Total histograms compared: 39740
• DQMHistoTests: Total failures: 23
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 39717
• 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 master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @antoniovilela, @sextonkennedy, @rappoccio (and backports should be raised in the release meeting by the corresponding L2)

[jfernan2]

fixes #44956

[rappoccio]

+1