Please disregard. I had forgotten to name the hosts differently. Thank you Eibhlin ________________________________ From: [email protected] [[email protected]] on behalf of Lee, Eibhlin [[email protected]] Sent: 10 June 2013 15:42 To: [email protected] Subject: [mpich-discuss] Process exited without calling finalize Hello, I am getting an error similar to that of some of the first MPICH versions when testing whether MPICH-3.0.4 has downloaded properly on my RaspberryPi. I downloaded and (thought) I installed mpich-3.0.4 correctly using the configure add ons --with-pm=smpd and --with-pmi=smpd I set the smpd phrase using smpd -getphrase. Did smpd -s. Then copied the image to a second machine. The test file cpi runs as expected on the master (only) and also on the slave (only). However, when I try to run cpi: mpiexec -phrase abc -machinefile file -n 2 /home/pi/examples/cpi Where abc is the phrase for both machines and file contains two IP addresses. I get the error: Fatal error in MPI_Init: Other MPI error, error stack: MPIR_Init_thread(433).................: MPID_Init(176)........................: channel initialization failed MPIDI_CH3_Init(70)....................: MPID_nem_init(238)....................: MPIDI_CH3I_Seg_commit(366)............: MPIU_SHMW_Hnd_deserialize(324)........: MPIU_SHMW_Seg_open(865)...............: MPIU_SHMW_Seg_create_attach_templ(637): open failed - No such file or directory job aborted: rank: node: exit code[: error message] 0: 129.32.139.gfd: -2 1: 129.32.139.plm: 1: process 1 exited without calling finalize where gfd and plm are the endings of the IP address. Please help me figure out what I've done wrong. Regards, Eibhlin