[QE-users] ERROR(FoX) when executing crossing nodes

[Stefano Baroni]

Sorry. I though I had addressed my post *ONLY* to an Italian colleague … Multitasking is killing me … SB


> On 12 Mar 2018, at 10:36, Paolo Giannozzi <p.giannozzi at gmail.com> wrote:
> 
> For non-italian speakers: "Can't we solve with an initial check and if the filesystem is not shared we read everything from a single node?"
> 
> Maybe: there is a check I wrote some time that should report whether the filesystem is visible to all processors or not. The check is however never used and I am not sure how well it works.
> 
> Paolo
> 
> On Mon, Mar 12, 2018 at 9:01 AM, Stefano Baroni <baroni at sissa.it <mailto:baroni at sissa.it>> wrote:
> non possiamo risolvere con un check all’inizio e se il file sistema non è condiviso facciamo leggere tutto da un nodo? S.
> 
> 
>> On 12 Mar 2018, at 08:55, Pietro Delugas <pdelugas at sissa.it <mailto:pdelugas at sissa.it>> wrote:
>> 
>> Dear Duc-Long 
>> You are may be  using a file system which is not shared between all nodes. There in an issue in current implementation in using such filesystems which will be hopefully solved in the next future. For the time being you can compile QE  running the use configure script with the option --enable-xml=no 
>> ./configure --enable-xml=no
>> 
>> and the code should work. 
>> 
>> regard - pietro
>> 
>> 
>> 
>> On 12/03/2018 04:50, Duc-Long Nguyen wrote:
>>> Dear all,
>>> 
>>> Since the release of QE 6.2.1 I encountered the error message as following when executing parallel pw.x on multi nodes:
>>> -----
>>> ERROR(FoX)
>>> Cannot open file
>>> -----
>>> There is no errors when running parallel on single node with the same input file. I did not encounter this error using previous version of QE like 6.2, 5.4.0 with the same make.inc (or make.sys).
>>> Attached please find the make.inc and the output file.
>>> 
>>> With best regards,
>>> Duc-Long
>>>  -- 
>>> Duc-Long Nguyen
>>> PhD Student, Molecular Science and Technology Program, TIGP
>>> Institute of Atomic and Molecular Sciences,
>>> Academia Sinica, Taipei 106, Taiwan
>>> Phone +886-979279073 <tel:+886%20979%20279%20073>
>>> 
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> 
> -- 
> 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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