Hi Olivier, btw, it runs smoothly for madevent, with this output (the lhapdf print statement occurs only once) Cheers, Marco INFO: load configuration from /Users/marcozaro/Physics/MadGraph/2.1.2-lhapdf6/PROC_sm_0/Cards/me5_configuration.txt INFO: load configuration from /Users/marcozaro/Physics/MadGraph/2.1.2-lhapdf6/input/mg5_configuration.txt INFO: load configuration from /Users/marcozaro/Physics/MadGraph/2.1.2-lhapdf6/PROC_sm_0/Cards/me5_configuration.txt generate_events run_01 The following switches determine which programs are run: 1 Run the pythia shower/hadronization: pythia=NOT INSTALLED 2 Run PGS as detector simulator: pgs=NOT INSTALLED 3 Run Delphes as detector simulator: delphes=NOT INSTALLED 4 Decay particles with the MadSpin module: madspin=OFF 5 Add weight to events based on coupling parameters: reweight=OFF Either type the switch number (1 to 5) to change its default setting, or set any switch explicitly (e.g. type 'madspin=ON' at the prompt) Type '0', 'auto', 'done' or just press enter when you are done. [0, 4, 5, auto, done, madspin=ON, madspin=OFF, madspin, reweight=ON, ... ][60s to answer] > Do you want to edit a card (press enter to bypass editing)? 1 / param : param_card.dat 2 / run : run_card.dat you can also - enter the path to a valid card or banner. - use the 'set' command to modify a parameter directly. The set option works only for param_card and run_card. Type 'help set' for more information on this command. - call an external program (ASperGE/MadWidth/...). Type 'help' for the list of available command [0, done, 1, param, 2, run, enter path][60s to answer] >set pdlabel lhapdf INFO: modify parameter pdlabel of the run_card.dat to lhapdf Do you want to edit a card (press enter to bypass editing)? 1 / param : param_card.dat 2 / run : run_card.dat you can also - enter the path to a valid card or banner. - use the 'set' command to modify a parameter directly. The set option works only for param_card and run_card. Type 'help set' for more information on this command. - call an external program (ASperGE/MadWidth/...). Type 'help' for the list of available command [0, done, 1, param, 2, run, enter path] > Generating 10000 events with run name run_01 survey run_01 INFO: compile directory INFO: Using LHAPDF v6.1.4 interface for PDFs INFO: Trying to download NNPDF23_nlo_as_0119 NNPDF23_nlo_as_0119.tar.gz: 20.6 MB [100.0%] INFO: NNPDF23_nlo_as_0119 successfully downloaded and stored in /Users/marcozaro/Physics/LHAPDF-6/share/LHAPDF write compile file for card: /Users/marcozaro/Physics/MadGraph/2.1.2-lhapdf6/PROC_sm_0/Cards/param_card.dat run_card missed argument xmtcentral. Takes default: 0.0 run_card missed argument d. Takes default: 1.0 run_card missed argument gridrun. Takes default: False run_card missed argument fixed_couplings. Takes default: True Using random number seed offset = 21 INFO: Running Survey Creating Jobs Working on SubProcesses P0_qq_lvl INFO: Idle: 0, Running: 1, Completed: 0 [ current time: 15h27 ] DEBUG: Found too many jobs. Recovering INFO: Idle: 0, Running: 0, Completed: 1 [ 5s ] INFO: End survey refine 10000 Creating Jobs INFO: Refine results to 10000 P0_qq_lvl INFO: Idle: 8, Running: 4, Completed: 0 [ current time: 15h27 ] INFO: Idle: 3, Running: 4, Completed: 5 [ 4.2s ] INFO: Combining runs find 12 multijob in /Users/marcozaro/Physics/MadGraph/2.1.2-lhapdf6/PROC_sm_0/SubProcesses/P0_qq_lvl/G1 INFO: finish refine refine 10000 Creating Jobs INFO: Refine results to 10000 P0_qq_lvl INFO: Combining runs INFO: finish refine combine_events INFO: Combining Events === Results Summary for run: run_01 tag: tag_1 === Cross-section : 6491 +- 15.09 pb Nb of events : 10000 running syscalc on mode parton store_events INFO: Storing parton level results INFO: End Parton reweight -from_cards decay_events -from_cards quit INFO: INFO: more information in /Users/marcozaro/Physics/MadGraph/2.1.2-lhapdf6/PROC_sm_0/index.html On 21 Aug 2014, at 15:18, marco zaro