[mpich-discuss] open failed for root's mpd conf

[Dave Goodell]

On Mar 17, 2010, at 2:50 PM, rcx11 at yahoo.com wrote:

> I've been searching through documentation trying to find why I'm  
> getting the error when trying to run as a non-root user. I'm running  
> Fedora 12 x86 and have installed MPICH2 via yum. I've got my  
> mpd.conf files created according to http://debianclusters.cs.uni.edu/index.php/MPICH_without_Torque_Functionality 
> . When trying to run mpiexec as a non-root user, I get the error "/ 
> usr/bin/mpdroot: open failed for root's mpd conf  
> filempiexec_sebastian.ags-rolla.zapto.org (__init__ 1208): forked  
> process failed; status=255" What is causing this?

Please see section 5.1.6 of the Installer's Guide: http://www.mcs.anl.gov/research/projects/mpich2/documentation/files/mpich2-1.2.1-installguide.pdf

Do you have "MPD_USE_ROOT_MPD=1" set somewhere in your environment or  
mpd.conf file?

-Dave