problem with using impi 19.0.5

[Jim Edwards]

Thanks Wei-keng I'll try the test program - but I know I have the 0 length
arrays - this is the same app we found the bug in mpich with...

On Thu, Sep 5, 2019 at 8:18 PM Wei-keng Liao <wkliao at eecs.northwestern.edu>
wrote:

> Does your I/O pattern result in some of the MPI processes making
> zero-length read requests? That is the condition to run into this bug.
>
> I suggest you to run the test program given in that github issue on
> Frontera.
> If a similar error message beginning with "ADIOI_LUSTRE_IOCONTIG(228)”
> appears,
> then you got your confirmation.
>
> Wei-keng
>
> > On Sep 5, 2019, at 8:17 PM, Jim Edwards <jedwards at ucar.edu> wrote:
> >
> > Hi Si,
> >
> > Can you contact the impi developers and see if this could be the issue
> and if we could get a fix quickly if it is.
> >
> > Wei-keng - thanks!
> >
> > On Thu, Sep 5, 2019 at 7:06 PM Wei-keng Liao <
> wkliao at eecs.northwestern.edu> wrote:
> > I guess you are probably hit with the same issue reported in
> > https://github.com/pmodels/mpich/pull/3634
> >
> > It has been fixed in the MPICH master branch.
> >
> > Wei-keng
> >
> > > On Sep 5, 2019, at 7:43 PM, Jim Edwards via parallel-netcdf <
> parallel-netcdf at lists.mcs.anl.gov> wrote:
> > >
> > > I'm using a new system TACC Frontera and having problems on the first
> read - I get:
> > > [15065] ADIOI_LUSTRE_IOCONTIG(228): Other I/O error Cannot allocate
> memory
> > >  : Unknown error occurs in reading file
> > >
> > > Just wondering if anyone has seen this before?
> > >
> > > --
> > > Jim Edwards
> > >
> > > CESM Software Engineer
> > > National Center for Atmospheric Research
> > > Boulder, CO
> >
> >
> >
> > --
> > Jim Edwards
> >
> > CESM Software Engineer
> > National Center for Atmospheric Research
> > Boulder, CO
>
>

-- 
Jim Edwards

CESM Software Engineer
National Center for Atmospheric Research
Boulder, CO
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