[mpich-discuss] MPICh2/Hydra support for debugging

[Nenad Vukicevic]

On 9/18/2012 11:55 AM, Pavan Balaji wrote:
> Nenad,
>
> Yes, Hydra supports the debugger MPIR "spec".  The Hydra wiki has 
> information on how to use it.
>
> http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager
>
> You don't need to attach to an already running program.  You can start 
> the program through the debugger.

Thank you. Yes, I know that it is possible to start through the debugger.
However, if my program for some reason hangs I would like to attach
to it without restarting. Is this possible?