> >> On Tue, Feb 28, 2012 at 11:34 AM, Shamis, Pavel <sham...@ornl.gov> wrote: >> I reviewed the code and it seems to be ok :) The error should be reported if >> the port migration is already happened once (port 1 to port 2), and now you >> are trying to shutdown port 2 and MPI reports that it can't migrate anymore. >> It assumes that port 1 is still down and it can't go back to from port 2 to >> port 1. > > In my test case I never try to shutdown port 2. > I start with both ports cabled up. > Then I start the MPI test > Then I unplug the Port 1 cable. > I leave Port 2 alone. I expect the application to just keep using Port 2. > > So I expect the migration from Port 1 to Port 2 when I unplug the > cable. But I don't expect any more migration after that.
Then we have some bug there :- ) > >> >> Can you please build open mpi in debug mode and try to run it in verbose >> mode. It will help to understand better the scenario. > > I've recompiled with debug mode(configure --enable-debug). The > resulting output (mpirun --mca btl_base_verbose 1) is too large to > send (28 MB). Are there specific lines you are looking for? Or do you > have a preferred method for sending you a text file? I would like to see all the file. 28MB is it the size after compression ? I think gmail supports up to 25Mb. You may try to create gzip file and then slice it using "split" command. Regards, Pasha