On Fri, 15 Jun 2012 23:02:51 +0200
Michele De Stefano <
micdestefano@xxxxxxxxx> wrote:
> Hello to everybody.
>
> Today I've tried the latest PTP together with the latest "Eclipse
> distribution for parallel development".
> I had serious problems caused by the debugger (sdm).
>
> Basically, the problem is that an MPI program that runs normally
> without any problem, crashes when debugged through PTP and sdm.
>
> I cannot share the source code (because it's proprietary) but the
> crash happens on a "cout" call (I'm debugging C++ code). Precisely, I
> have pieces of code like this:
>
> if (rank == 0) {
> cout << "Bla bla bla" << endl;
> }
>
> and when the debugger arrives at the cout call, PTP crashes saying
> something like:
>
> Write: broken pipe.
>
> And then follow some errors saying that one of the processes exited
> abnormally.
>
> If I don't debug the program, or even if I debug it attaching an
> instance of gdb to each process, the crash never happens.
>
> Is there a particular setting that I have to use, or is this a PTP
> bug?
>
> Thank you in advance.
> Best regards.
>
