[mpich-discuss] Weird thing -- MPICH2 on domain

[Qiguo Jing]

All,

I have been encountering a weird thing, which draw me crazy. I hope 
someone here can help me.

I have two computers, a laptop (Windows 7 64 bit) and a desktop (Window 7 
32 bit). Both are in company domain, and I use the some information to 
login. So the MPICH2 registration information are the same for both 
computers. I developed a parallel FORTRAN program using my laptop. 

1. If I connect the internet cable on laptop. --> Program works. Results 
are good. 
2. If I disconnect the internet cable on laptop. --> Program fails, saying 
Program Exception - access violation
3. If I connect the internet cable on Desktop. --> Program runs and 
finishes, but the results are wrong. Slave processors and master processor 
do not communicate, so that results on slave processor can not be passed 
to main processor.
4. If I disconnect the internet cable on Desktop. -> Program works. 
Results are good.


Can someone help?


Thanks.

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