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Forum: Run Management
Re: Question Error Message when giving command 'beamOn' (Philipp Schmid)
Re: Note Re: Error Message when giving command 'beamOn' (Philipp Schmid)
Date: 29 Jun, 2006
From: Vladimir IVANTCHENKO <>

On Thu, 29 Jun 2006, Philipp Schmid wrote:

> *** Discussion title: Run Management
> Email replies to must include:
>   In-Reply-To: <"/runmanage/146/4">
>   Subject: ...change this to be about your reply.
> Hello,
> Thanks for your quick reply and the good hints!
> Yes, I did try the original example first and it did work without
> any problems.
> When using the gdb debugger while running the program I get the message
> "Program received signal SIGSEGV, Segmentation fault.
> 0x08274aec in G4ProcessManager::GetProcessActivation ()"
> when using the command run/beamOn. From this I assume I have some problems
> in my PhysicsList.
> Could this be correct or could the error be at some totally different
> location?
> Thanks in advance,
> Philipp

This indicates a problem:

- it may be that the list of particles in ConstructParticles() is 

- it may be that processes are instantiated not in CostructProcesses();

- it may be that some processes are instantiated for particles, which 
are not exists.

The best is to compare example PhysicsLists which yours in all details. 
You can also include cout to debug your problem.


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