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From: Ralph Castain (rhc_at_[hidden])
Date: 2007-07-17 15:58:17

The correct options are --debug-daemons and --devel-debug

On 7/17/07 12:46 PM, "Bill Johnstone" <beejstone3_at_[hidden]> wrote:

> George Bosilca wrote:
>> You can start by adding --debug-daemons and --debug to your mpirun
>> command line. This will generate a lot of output related to the
>> operations done internally by the launcher. If you send this output
>> to the list we might be able to help you a little bit more.
> OK, I added those, but got a message about needing to supply a suitable
> debugger. If I supply the "--debugger gdb" argument, I just get dumped
> into gdb. I'm not sure what I need to do next to get the launcher
> output you mentioned. My knowledge of gdb is pretty rudimentary. Do I
> need to set mpirun as the executable, and the use the gdb "run" command
> with the mpirun arguments?
> Do I need to rebuild openmpi with --enable-debug?
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