[Rivet] problems running rivet

Hannes Jung hannes.jung at cern.ch
Mon Feb 28 06:17:34 GMT 2011


Dear Hendrik & Andy

thanks a lot for your prompt reply (so late on Sunday...)

Yes, you were absolutely right, it was the wrong beam setting.
Now it seems to work on lxplus.  Thanks a lot.

Could one include somehow a message, when one is using the
wrong setting ?

Is there a way to see, why I still get a seg fault when running on a mac :

> rivet -a ATLAS_2010_CONF_2010_031 example_out.dat
Rivet running on machine Hannes-3.local (i386)
zsh: segmentation fault  rivet -a ATLAS_2010_CONF_2010_031 example_out.dat

Thanks again

cheers
Hannes

On 28.02.2011, at 01:21, Hendrik Hoeth wrote:

> Thus spake Hannes Jung (hannes.jung at cern.ch):
> 
>> Running rivet with the same hepmc file works on lxplus, for some
>> analyzes (MC_generic and a CDF one), but it crashed for ATLAS
>> analyzes. Any idea, what the problem could be ?
> 
> Tevatron is a ppbar collider. It's main center-of-mass energies are 630,
> 1800 and 1960 GeV.
> 
> LHC is a pp collider. It's main center-of-mass energies are 900, 2360
> and 7000 GeV.
> 
> Analyses depend on the initial state particles and the energy. They
> might not book any histogram if you try to run them at the wrong
> collider. Filling a non-existing histogram writes to non-allocated
> memory, typically producing a segmentation fault. Therefore running the
> same MC events through a CDF and an ATLAS analysis is usually not a
> clever thing to do.
> 
> Please report if Rivet still segfaults when running with the proper
> settings.
> 
> Cheers,
> 
>   Hendrik
> 
> -- 
> It pays to be obvious, especially if you have
> a reputation for subtlety.    -- Isaac Asimov

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Hannes Jung 
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