I compiled a fresh copy of the 4.1.3 branch on my M1 laptop, and I can run both MPI and non-MPI apps without any issues.
Try running `lldb mpirun -- -np 1 hostname` and once it deadlocks, do a CTRL+C to get back on the debugger and then `backtrace` to see where it is waiting. George. On Wed, May 4, 2022 at 11:28 AM Scott Sayres via users < users@lists.open-mpi.org> wrote: > Thanks for looking at this Jeff. > No, I cannot use mpirun to launch a non-MPI application. The command > "mpirun -np 2 hostname" also hangs. > > I get the following output if I add the -d command before (I've replaced > the server with the hashtags) : > > [scotts-mbp.3500.dhcp.###:05469] procdir: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501/pid.5469/0/0 > > [scotts-mbp.3500.dhcp.###:05469] jobdir: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501/pid.5469/0 > > [scotts-mbp.3500.dhcp.###:05469] top: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501/pid.5469 > > [scotts-mbp.3500.dhcp.###:05469] top: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501 > > [scotts-mbp.3500.dhcp.###:05469] tmp: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T/ > > [scotts-mbp.3500.dhcp.###:05469] sess_dir_cleanup: job session dir does > not exist > > [scotts-mbp.3500.dhcp.###:05469] sess_dir_cleanup: top session dir not > empty - leaving > > [scotts-mbp.3500.dhcp.###:05469] procdir: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501/pid.5469/0/0 > > [scotts-mbp.3500.dhcp.###:05469] jobdir: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501/pid.5469/0 > > [scotts-mbp.3500.dhcp.###:05469] top: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501/pid.5469 > > [scotts-mbp.3500.dhcp.###:05469] top: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T//ompi.scotts-mbp.501 > > [scotts-mbp.3500.dhcp.###:05469] tmp: > /var/folders/l0/94hsdtwj09xd62d90nfh_3h00000gn/T/ > > [scotts-mbp.3500.dhcp.###:05469] [[48286,0],0] Releasing job data for > [INVALID] > > Can you recommend a way to find where mpirun gets stuck? > Thanks! > Scott > > On Wed, May 4, 2022 at 6:06 AM Jeff Squyres (jsquyres) <jsquy...@cisco.com> > wrote: > >> Are you able to use mpirun to launch a non-MPI application? E.g.: >> >> mpirun -np 2 hostname >> >> And if that works, can you run the simple example MPI apps in the >> "examples" directory of the MPI source tarball (the "hello world" and >> "ring" programs)? E.g.: >> >> cd examples >> make >> mpirun -np 4 hello_c >> mpirun -np 4 ring_c >> >> -- >> Jeff Squyres >> jsquy...@cisco.com >> >> ________________________________________ >> From: users <users-boun...@lists.open-mpi.org> on behalf of Scott Sayres >> via users <users@lists.open-mpi.org> >> Sent: Tuesday, May 3, 2022 1:07 PM >> To: users@lists.open-mpi.org >> Cc: Scott Sayres >> Subject: [OMPI users] mpirun hangs on m1 mac w openmpi-4.1.3 >> >> Hello, >> I am new to openmpi, but would like to use it for ORCA calculations, and >> plan to run codes on the 10 processors of my macbook pro. I installed this >> manually and also through homebrew with similar results. I am able to >> compile codes with mpicc and run them as native codes, but everything that >> I attempt with mpirun, mpiexec just freezes. I can end the program by >> typing 'control C' twice, but it continues to run in the background and >> requires me to 'kill <pid>'. >> even as simple as 'mpirun uname' freezes >> >> I have tried one installation by: 'arch -arm64 brew install openmpi ' >> and a second by downloading the source file, './configure >> --prefix=/usr/local', 'make all', make install >> >> the commands: 'which mpicc', 'which 'mpirun', etc are able to find them >> on the path... it just hangs. >> >> Can anyone suggest how to fix the problem of the program hanging? >> Thanks! >> Scott >> > > > -- > Scott G Sayres > Assistant Professor > School of Molecular Sciences (formerly Department of Chemistry & > Biochemistry) > Biodesign Center for Applied Structural Discovery > Arizona State University >
