[mvapich-discuss] Assertion failure in mvapich 1.2rc2

[Dhabaleswar Panda]

Thanks for reporting this. Do you see this assertion error with any other
compiler? Could you also provide some more details on the set-up: how many
nodes you are using to run this application, type of computing platform,
type of IB adapter, etc. Also, are you using the default build of mvapich2
or with any runtime configuration options. You indicate getting this error
for some inputs. Are there any differences in the input file for which you
see the error and for which you do not see the error.

Thanks,

DK

On Wed, 10 Sep 2008, [ISO-8859-1] Åke Sandgren wrote:

> Hi!
>
> I'm running VASP (4.6.35) built with mvapich 1.2rc2 built with the
> pathscale compiler (3.2) and for some inputs i get
>
> Assertion failed in file ibv_rndv.c at line 645:
> sreq->mrail.rndv_buf_off == sreq->mrail.rndv_buf_sz
>
> This is a bit hard to debug since it takes ~1.5hours before i happens.
>
> Any ideas of why this would occur?
> And more importantly how to fix it.
>
> --
> Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
> Internet: ake at hpc2n.umu.se   Phone: +46 90 7866134 Fax: +46 90 7866126
> Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se
>
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