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

[rcx11 at yahoo.com]

Output of "strings /usr/bin/mpdroot | grep etc" yielded "/etc/mpd.conf" Setting the environment variable failed. I made a symlink to /etc/mpd.conf in /usr/etc/mpd.conf. This also failed.

--- On Wed, 3/17/10, Dave Goodell <goodell at mcs.anl.gov> wrote:

> From: Dave Goodell <goodell at mcs.anl.gov>
> Subject: Re: [mpich-discuss] open failed for root's mpd conf
> To: mpich-discuss at mcs.anl.gov
> Date: Wednesday, March 17, 2010, 4:33 PM
> Well, if my earlier suggestion about
> "/etc/mpd.conf" doesn't solve the problem, then I am not
> entirely sure what is going on.
> 
> I just took a peek at the code and it looks like we may
> have a bug in the root mpd.conf search path that was
> introduced in r5844.  We now search
> "@sysconfdir@/mpd.conf" (which expands to
> "${prefix}/etc/mpd.conf" normally) instead of
> "/etc/mpd.conf".  So I'm betting that you have a valid
> "/etc/mpd.conf" but mpdroot is looking for it in
> "/usr/etc/mpd.conf" instead.
> 
> Can you try two things for me?  First run the
> following command and send us the output: "strings
> /usr/bin/mpdroot | grep etc".  Second, try setting the
> environment variable "MPD_CONF_FILE=/etc/mpd.conf" before
> running mpiexec.  That may let you work around the
> problem for now.  Alternatively you could probably move
> your "/etc/mpd.conf" to the "/usr/etc/" directory.
> 
> -Dave
> 
> On Mar 17, 2010, at 3:59 PM, rcx11 at yahoo.com
> wrote:
> 
> > That is exactly what I'm trying to do - run on a root
> started ring as a normal user. I get no errors when running
> as root.
> > 
> > --- On Wed, 3/17/10, Dave Goodell <goodell at mcs.anl.gov>
> wrote:
> > 
> >> From: Dave Goodell <goodell at mcs.anl.gov>
> >> Subject: Re: [mpich-discuss] open failed for
> root's mpd conf
> >> To: mpich-discuss at mcs.anl.gov
> >> Date: Wednesday, March 17, 2010, 3:46 PM
> >> Just to be sure, you are trying to to
> >> use a root-started mpd ring as a
> >> regular user, correct?  If so, make sure that
> you have
> >> a mode 600 file
> >> named "/etc/mpd.conf" (no leading ".") containing
> the
> >> secret word.
> >> 
> >> If you are trying to use a regular user-started
> mpd ring as
> >> a regular
> >> user, then remove "MPD_USE_ROOT_MPD=yes" from
> your
> >> "~/.mpd.conf".
> >> 
> >> -Dave
> >> 
> >> On Mar 17, 2010, at 3:33 PM, rcx11 at yahoo.com
> >> wrote:
> >> 
> >>> It's "MPD_USE_ROOT_MPD=yes" as per setup guide
> in the
> >> link given.
> >>> 
> >>> --- On Wed, 3/17/10, Dave Goodell <goodell at mcs.anl.gov>
> >> wrote:
> >>> 
> >>>> From: Dave Goodell <goodell at mcs.anl.gov>
> >>>> Subject: Re: [mpich-discuss] open failed
> for
> >> root's mpd conf
> >>>> To: mpich-discuss at mcs.anl.gov
> >>>> Date: Wednesday, March 17, 2010, 3:02 PM
> >>>> 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
> >>>> 
> >>>>
> _______________________________________________
> >>>> mpich-discuss mailing list
> >>>> mpich-discuss at mcs.anl.gov
> >>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
> >>>> 
> >>> 
> >>> 
> >>> 
> >>>
> _______________________________________________
> >>> mpich-discuss mailing list
> >>> mpich-discuss at mcs.anl.gov
> >>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
> >> 
> >> _______________________________________________
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> >> mpich-discuss at mcs.anl.gov
> >> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
> >> 
> > 
> > 
> > 
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