LHCb Core Software Meeting

Date and Location

15 Oct 2014
10:30 - 11:10
CERN (2-R-030)


Anastasia Karachaliou, Gloria Corti, Joel Closier, Marco Cattaneo, Marco Clemencic (minutes)



Ben Couturier, Illya Shapoval


  • LCG 70root6 is being built

Round Table

Marco Cl.

  • Gaudi
    • v25r4 (based on LCG 69/ROOT5) tagged and built, but not yet released.
    • v25r5 (based on LCG 70root6) will be tagged after the meeting.
  • Working on [JIRA:LHCBPS-1357]: caching of LoKi Hybrids
    • infrastructure part ready (generation of cache libraries, plugin service integration), but only with CMake
    • to do
      • changes to the Cuts headers
      • use the cache from HybridTool
      • get list of cuts from options


  • Started discussion of integration of LHCbGrid, DIrac, LHCbDirac with new build/release infrastructure
  • LHCbGrid v7r0 was installed on CVMFS, causing problems
  • Prepared 12 build (virual) machines for the nightlies, we need to continue the migration, but the end of support has been delayed by one month.

Marco Ca.: we need to update the list of machines, or have a dynamic list like an SLS page

  • It's now possible to create JIRA tasks directly from Service Now

Marco Ca.

  • Gerhard reminded to add C++14
  • CHEP abstracts deadline 25th of October
  • Discussion at AF about Jenkins service in IT
    • Marco Cl.: we are following the discussion and will contribute to the document
  • JIRA permissions/notifications still not solved
    • Marco Cl.: unfortunately, we forgot to make the request

Marco Cl.: We need to fix the workflow for LHCBPS (being able to edit the resolution has a nasty side effect of making new tasks look as if they were resolved)

Gloria: some fields need to be editable by reporter and assignee in LHCBDEP project.


  • Problem with release of some generators (those with '++' in the names)
  • Will send patches for the LCG_Interfaces to SFT
  • Strange problems with Gauss in lhcb-prerelease and warnings in lhcb-release, to be understood.


  • Working on the integration of the detector description with algorithms.

-- MarcoClemencic - 15 Oct 2014

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