[QE-users] ERROR(FoX), Cannot open file

[Paolo Giannozzi]

Try the development version, that no longer assumes that all files are
readable by all processors.

Paolo

On Mon, Nov 4, 2019 at 5:22 PM Ben Comer <bcomer3 at gatech.edu> wrote:

> Pietro,
>
> I am running quantum espresso with 56 cores across 2 nodes (28 cores per
> node) when I receive this error. The error does not appear when I am
> running on a single node (I've tested 1,2,4,8,16, and 28 cores on a
> single node.) However, all runs that involve more than one node do have
> this issue. Previous messages implied that this was because the nodes
> did not share a common file system, which is the case for our cluster.
> Each node has it's own /tmp directory located on each node. Please let
> me know if I can provide more information.
>
> On 11/4/19 11:08 AM, Pietro Davide Delugas wrote:
> > Dear Ben Comer.
> > The flag is not valid any more. In fact It was not a fix just a
> > configure option to select the old file format rather than the new one.
> >
> > The old format is no longer supported, that is why the option is not
> > recognized by the configure anymore.
> >
> > Cannot  open file means that the program is not finding some file.
> > Could you give more details on how you are running the code in order
> > to understand why the error issues?
> >
> > best regards - Pietro
> >
> >
> >
> > On 11/4/19 4:56 PM, Ben Comer wrote:
> >> Hello,
> >>
> >> Since I've switched from espresso 5 to espresso 6.4.1 I've gotten the
> >> "ERROR(FoX) Cannot open file" error when running across nodes. I see in
> >> the mailing list that the prescribed fix for this is to recompile with
> >> the "--enable-xml=no" flag in the "./configure" step. However, when I do
> >> this I get a warning saying that the flag was not recognized and I
> >> continue to get the error after compilation. Is there any new fix for
> >> this issue?
> >>
> >> Thanks,
> >>
> >> Ben Comer
> >> Georgia Tech
> >>
> >> _______________________________________________
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> >> (www.max-centre.eu/quantum-espresso)
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> >
> >
> > _______________________________________________
> > Quantum ESPRESSO is supported by MaX (www.max-centre.eu/quantum-espresso
> )
> > users mailing list users at lists.quantum-espresso.org
> > https://lists.quantum-espresso.org/mailman/listinfo/users
> _______________________________________________
> Quantum ESPRESSO is supported by MaX (www.max-centre.eu/quantum-espresso)
> users mailing list users at lists.quantum-espresso.org
> https://lists.quantum-espresso.org/mailman/listinfo/users



-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222
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