[Pw_forum] iotk error - again

[O. Baris Malcioglu]

Dear all,
I've also started getting a lot of IOTK errors recently using the CVS
version.
I've got two possible candidates,
1)highly asynchronous file system (i.e. a parallel system that is not robust
in the sense of NFS, and highly overloaded)
2) a conspiracy going on with the newest intel compilers running in an
environment that is not-so-new.
Since this error is annoyingly frequent but not replicable at will, could
you please contact me if you are using a asynchronous file system with the
compilers you are using? ,
Best,
Baris Malcioglu
 P.S. The parallel file systems optimized for performance tend to be
asynchronous, full list can be found here:
http://en.wikipedia.org/wiki/List_of_file_systems
<http://en.wikipedia.org/wiki/List_of_file_systems>

################################################################################
########################################
# FROM IOTK LIBRARY, VERSION 1.2.0
# UNRECOVERABLE ERROR (ierr=1)
# ERROR IN: iotk_scan_tag (iotk_scan.spp:468)
# CVS Revision: 1.23
#
iostat=67
# ERROR IN: iotk_scan (iotk_scan.spp:743)
# CVS Revision: 1.23
# ERROR IN: iotk_scan_end (iotk_scan.spp:233)
# CVS Revision: 1.23
# foundl
# ERROR IN: iotk_close_read (iotk_files.spp:645)
# CVS Revision: 1.20
################################################################################
########################################


2010/12/8 W2AGZ <w2agz at w2agz.com>

> Thanks, Paolo.  I'll look into it ths week.  -Paul
>
> -----Original Message-----
> From: pw_forum-bounces at pwscf.org [mailto:pw_forum-bounces at pwscf.org] On
> Behalf Of Paolo Giannozzi
> Sent: Wednesday, December 08, 2010 1:49 AM
> To: PWSCF Forum
> Subject: Re: [Pw_forum] iotk error - again
>
> On Dec 7, 2010, at 8:33 , W2AGZ wrote:
>
> > "replace q_real by q_real_space."  Is this the fix?
> >
>
>
> no. This is the fix for a very specific case, and the only one I remember
> in
> which an error was issued by iotk for a good reason (i.e. a variable was
> written with one name and read with another). All other instances of iotk
> errors I remember are related to miscompilation.
>
> Try first of all to compile iotk with reduced optimization (e.g. using
> $(MAKE) FFLAGS="$(FFLAGS_NOOPT)" )
>
> P.
> ---
> Paolo Giannozzi, Dept of Chemistry&Physics, Univ. Udine via delle Scienze
> 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222
>
>
>
>
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