| John,
There's a bug in OpenMPI 2.x and 3.1.0 that causes mpirun to segfault. You'll need to update to 3.1.3 or later for it to work.
Regards, Greg
I'm on just a single machine.
Hi John,
This can be tricky to diagnose. Are you running on a cluster or just on a single machine?
Regards,
Greg
> On Mar 12, 2019, at 11:56 AM, John Haiducek <jhaiduce@xxxxxxxxx> wrote:
>
> Hi,
>
> I'm trying to run the PTP parallel debugger on the MPI Hello World example provided with PTP. I can run the code in parallel just fine, and I can debug the same code with eclipse in serial. But when I run the parallel debugger it gets stuck at "Operation in progress..." and the code never starts. If I press Cancel I get "Launch Error: Error completing debug job launch Reason: Cannot connect to debugger." At that point the Eclipse GUI becomes unresponsive until I kill all the sdm processes that were created.
>
> I tried turning on "Enable SDM tracing" (and all the options listed under it), but that seems to do nothing.
>
> I'm running Eclipse Photon (4.8.0) with PTP 9.2.0.201805221500 on Ubuntu Linux 18.04.2 LTS with openmpi 2.1.1 and gdb 8.1.0.20180409-git.
>
> John
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