Re: [OMPI users] Openmpi failure on dual quad linux

2009-10-10 Thread John R. Cary
More data: We have observed this failure on 3 different 8-core, 64-bit boxes, the previously noted box plus benten.caryjr$ uname -a *** 2.6.9-89.0.7.ELsmp #1 SMP Wed Aug 5 14:08:20 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux *** 2.6.29.4-167.fc11.x86_64 #1 SMP Wed May 27 17:27:08 EDT 2009 x86_64

[OMPI users] Openmpi failure on dual quad linux

2009-10-10 Thread John R. Cary
We have been getting hangs and failures of openmpi-1.3.X on an 8-core FC11 box. Details: Machine: Linux octet.carys.home 2.6.30.5-43.fc11.x86_64 #1 SMP Thu Aug 27 21:39:52 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux with 2 quad-core cpus. Compiler: g++ (GCC) 4.4.1 20090725 (Red Hat 4.4.1-2) T

[OMPI users] MPI_Send and MPI_Recv not working

2009-10-10 Thread ankur pachauri
i have openmpi 1.3.3 installed on my linux fedora 10 system, i have a cluster of two nodes node0(ip 10.1.7.125) and node1(ip 10.1.7.138) among them passwordless ssh is set and a directory is nfs mounted when i run a simple test code without and MPI_Send or MPI_Recv it works for any number of proce