[MPICH] Re: New version of MPICH2 (1.0.2)

[Trach-Minh Tran]

On 06/12/2005 08:04 AM, Trach-Minh Tran wrote:
> On 06/12/2005 02:20 AM, Rusty Lusk wrote:
> 
>>> - The mpdrun/mpirun did not export the current LD_LIBRARY_PATH 
>>> environment variable.
>>>   It seems however that it does export the other variables (PATH, 
>>> PWD, ...) !
>>>   Spawning the processes with mpdboot and mpirun from the 1.0.1 
>>> version appears to
>>>   work with codes compiled with the 1.0.2 version!
>>>
>>
>>
>> You will want to use the MPI-2 standard 'mpiexec' instead of mpirun.
>> By default, it should export all environment variables.  Let us know if
>> it doesn't.
>>
> Both mpiexec and mpdrun fail to export LD_LIBRARY_PATH, as mpirun. It is
> strange that it seems that all environment variables are exported *except*
> LD_LIBRARY_PATH!
> 

Ok, I have just found out that the setuid bit of "mpdroot" was set! After removing
it, mpirun/mpdrun/mpiexec work as expected now :-) May be somebody can explain me
why?

Best regards,
T.M. Tran