Comment 3 for bug 1406000

Ciao Josh,
I have also tried 2.2.2 on a mac and 2.2.3 on linux (Louvain cluster) and everything looks ok (no segfault)…
Can you try 2.2.3?
It is still a dev branch, you can get it from here
https://code.launchpad.net/~maddevelopers/mg5amcnlo/2.2.3

Cheers,

Marco

On 28 Dec 2014, at 11:47, marco zaro <email address hidden> wrote:

> Ciao Josh,
> do I understand correctly that the only parameter that you change is ickkw in the run_card, which is set to 3 (apart to lhapdf which should not be relevant for this bug?
> 2.2.3 on a mac seems to work ok.
> Cheers,
>
> Marco
>
> --
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1406000
>
> Title:
> Compilation error with complex NLO processes in 2.2.2
>
> Status in MadGraph5_aMC@NLO Generator:
> New
>
> Bug description:
> Trying W+0,1,2 jets in 2.2.2 leads to a compilation error.
>
> Process card like:
>
> import model loop_sm-no_b_mass
> define p = p b b~
> define j = j b b~
> generate p p > w- [QCD] @0
> add process p p > w- j [QCD] @1
> add process p p > w- j j [QCD] @2
>
> Leads to errors during compilation like below (full log attached as
> well):
>
> Program received signal SIGSEGV: Segmentation fault - invalid memory
> reference.
>
> Backtrace for this error:
> #0 0x2B5D7ECCD3C7
> #1 0x2B5D7ECCD9CE
> #2 0x2B5D7F0F769F
> #3 0x2B5D7E92804A
> #4 0x4BDB35
> #5 0x4BE33C
> #6 0x4BF67B
> #7 0x4BCCC1
> #8 0x4B0852
> #9 0x40F945
> #10 0x412124
> #11 0x2B5D7F0E3D5C
> #12 0x40F598
>
> This same process works fine with only the 0 and 1 jet contributions,
> and it also worked fine with 0,1,2 jets in 2.2.1.
>
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