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From: George Bosilca (bosilca_at_[hidden])
Date: 2007-07-17 15:10:29

Sorry. The --debug was supposed to be --debug-devel. But I suspect
that if you have a normal build then there will be not much output.
However, --debug-daemons should give enough output so we can at least
have a starting point.


On Jul 17, 2007, at 2:46 PM, Bill Johnstone 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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