LAM/MPI logo

LAM/MPI General User's Mailing List Archives

  |   Home   |   Download   |   Documentation   |   FAQ   |   all just in this list

From: Helge Avlesen (Helge.Avlesen_at_[hidden])
Date: 2005-01-26 04:50:29


Brian Barrett <brbarret_at_[hidden]> writes:

| Semaphore support is critical for the usysv and sysv RPIs. Otherwise,
| LAM will happily run without semaphores. Since it sounds like you
| desire shared memory transport, this may be a problem for you. If you
| could send the config.log file from the LAM configure process, that
| would probably provide the details needed to figure out why our
| Semaphore test failed on your platform.

we found the bug; the ipcs program revealed that some defect/hanging
processes had used all available semaphores on the master node of the
cluster... after some thorough cleaning with clearipc things now work
again!

Helge