On Sun, Jan 13, 2008 at 09:54:47AM -0500, Barry Rountree wrote: > Hello, > > The following command > > mpirun -np 2 -hostfile ~/hostfile uptime > > will occasionally hang after completing. The expected output appears on > the screen, but mpirun needs a SIGKILL to return to the console. > > This has been verified with OpenMPI v1.2.4 compiled with both icc 9.1 > 20061101 (aka 9.1.045) and gcc 4.1.0 20060304 (aka Red Hat 4.1.0-3). I > have also tried earlier versions of OpenMPI and found the same bug > (1.1.2 and 1.2.2). > > Using -verbose didn't provide any additional output. I'm happy to help > tracking down whatever is causing this.
A couple more data points: mpirun -np 4 -hostfile ~/hostfile --no-daemonize uptime hung twice over 100 runs. Without the --no-daemonize, the command hung 16 times over 100 runs. (This is using the version compiled with icc.) Barry > > Many thanks, > > Barry Rountree > Ph.D. Candidate, Computer Science > University of Georgia > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
