Re: [OMPI users] Bad MPI_Bcast behaviour when running over openib

2009-09-11 Thread Ake Sandgren
On Fri, 2009-09-11 at 13:18 +0200, Ake Sandgren wrote: > Hi! > > The following code shows a bad behaviour when running over openib. Oops. Red Face big time. I happened to run the IB test between two systems that don't have IB connectivity. Goes and hide in a dark corner... -- Ake Sandgren, HPC

Re: [OMPI users] Bad MPI_Bcast behaviour when running over openib

2009-09-11 Thread Jeff Squyres
Cisco is no longer an IB vendor, but I seem to recall that these kinds of errors typically indicated a fabric problem. Have you run layer 0 and 1 diagnostics to ensure that the fabric is clean? On Sep 11, 2009, at 8:09 AM, Rolf Vandevaart wrote: Hi, how exactly do you run this to get this

Re: [OMPI users] Bad MPI_Bcast behaviour when running over openib

2009-09-11 Thread Rolf Vandevaart
Hi, how exactly do you run this to get this error? I tried and it worked for me. burl-ct-x2200-16 50 =>mpirun -mca btl_openib_warn_default_gid_prefix 0 -mca btl self,sm,openib -np 2 -host burl-ct-x2200-16,burl-ct-x2200-17 -mca btl_openib_ib_timeout 16 a.out I am 0 at 1252670691 I am 1 at 125