LHCb Core Software Meeting

Date and Location

10:30 - 11:10
CERN (2-R-030)


Gloria Corti, Hubert Degaudenzi, Illya Shapoval, Joel Closier, Marco Clemencic (minutes), Markus Frank, Martin Plajner, Rob Lambert, Thomas Hartmann (EVO)



  • LCGCMT 61 getting ready (new ROOT, new HepMC, new pytools, new tcmalloc, ...)
    • problems in LCG nightlies are preventing a full test in our nightlies (mainly WinXP)
    • once the build on AFS is ready, we will switch the lhcb-gaudi-head slot to it and wait one night before the release of Gaudi
    • Benedikt is preparing the gcc 4.5 platform before switching gccmax to 4.6, but it is not clear if we can have a build of LCGCMT 61 on gcc 4.5

Round Table

Marco Cl.

  • Release of Gaudi basically ready: preparing the tags, but waiting to check on the final LCGCMT 61


  • The project is essentially completed
    • it works as requested
    • documentation available as a TWiki page
    • minor clean up pending


  • Preparing a new LHCbGrid to fix the problem with the wrong versions of the externals in the previous releases.
  • Monthly patch applied to the terminal servers. Will update the AFS client on TS04 to be consistent with the others.


  • A new LbScripts (v6r4) has been released while he was away.
  • Preparing LbScripts v6r4p1 to pick up some small fixes by Rob.


  • We gave (after testing) the green light for the migration to Oracle 11g for the CondDB.


  • Gauss for MC11 requires the new Gaudi (because of the new version of HepMC)
  • What is the timescale for the removal/change of the ParticlePropertySvc in Gaudi?
    Marco Cl.: it's not top priority at the moment
  • Problem with getpack of a branch in the nightlies (while it works on the command line).
    We need to check the version of getpack that is used in the nightlies.


  • We are not testing the latest AppConfig in the nightlies (picked up from $LHCBDEV).
    At the moment it has to be updated by hand, but we can set up a cron job to do it.


  • The memory problem was raised again. The situation is much better, but we still cannot run the stripping on 10 files.


  • The problem of our Windows lhcb-lcg-head nightly build (miscofiguration) was probably due to the move of the slot to TS05.
  • Unreproducible problem on i686 builds of lhcb-head still not understood. Marco Cl. will have a look too when it happens again.

-- MarcoClemencic - 17-Aug-2011

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