[Beowulf] MPICH2: Handle Limit?

[Rob Ross]

Hi Ron,

There should not be an 84 handle limit.

Can you tell me what version of MPICH2 this is, and what architecture and 
OS you're running on?  Do you have a simple test that exhibits the 
problem?

Thanks,

Rob
---
Rob Ross, Mathematics and Computer Science Division, Argonne National Lab


On Thu, 3 Feb 2005, R Hamann wrote:

> I've been having some strange problems with a program using the MPICH2 
> library.  When I added some new datatypes for ghost cell exchange, the 
> program would hang.  I figured out that any number of handles over 84 
> would cause this.  Fortunately, I could delete some handles that I no 
> longer needed, but it still seemed strange.  Are my calculations 
> correct that for each process there is an 84 handle limit? or am I 
> seeing some other problem?
> 
> Ron