On Jul 26, 2005, at 10:08 AM, Brian Barrett wrote:
> On Jul 25, 2005, at 2:28 PM, Chris Hoge wrote:
>
>> On a Mac, running the dmg version of lammpi on OS 10.4, this test
>> program deadlocks. Does anyone have any ideas as to what is going on?
>> It seems to work just fine on other mpi implementations.
>
> Try running with mpirun -ssi rpi tcp <normal args> or mpirun -ssi rpi
> sysv <normal args>. There is a bug in the released .dmg for LAM/MPI
> and the usysv RPI. The other option is to use the beta version (LAM/
> MPI 7.1.2b23), which has a fix for the usysv RPI issues.
Just a clarification. There are actually two bugs that could cause
problems for you. The first is a bug in only the usysv RPI on any G5
machine (regardless of OS), that has been fixed in any of the recent
LAM 7.1.2 betas. The second is a bug in 10.4 itself dealing with
System V semaphores. This is *only* a bug for 64 bit applications.
If you are compiling in 32 bit mode, the problem you are running into
is probably the one we fixed in the beta relating to the usysv RPI.
Brian
--
Brian Barrett
LAM/MPI developer and all around nice guy
Have a LAM/MPI day: http://www.lam-mpi.org/
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