[Beowulf] HPMPI ove uDAPL issue

[gossips J]

i updated my /etc/secutiry/limit.conf with hard/soft "unlimited"
Still the same issue.

i am using ofed-1.4.1-ga build with this hpmpi rpm.

also tried with physical_mem env settings and pin_persentage as well.
this does not helped again.

Also observed that this error happens while memroy registration of 256K
buffers with "Window" test caes
And during the error system has sufficient free pages available.
Basically error returns from the CORE (umem.c) file with error -EFAULT in
get_user_pages() API.

But after running "Accumulate" it is observed that it is able to register
upto 4194304 length easily.

Thanks,
-polk

On Thu, Jun 11, 2009 at 1:08 PM, Peter Kjellstrom <cap at nsc.liu.se> wrote:

> On Tuesday 09 June 2009, gossips J wrote:
> > We have been chasing issue with HPMPI running over uDAPL path.
> > Issue: Not able to test Window test of IMB-EXT for 2 processes 2 nodes [1
> > proc/node].
> > It is giving below errors:
> ...
> >         65536          100       176.76       179.81       178.29
> > IMB-EXT: Rank 0:0: MPI_Win_create: Unable to pin memory for window
> > IMB-EXT: Rank 0:0: MPI_Win_create: Unclassified error
> ...
>
> Most likely you're not allowed to pin enough memory (see ulimit -l).
>
> > HPMPI version:
> > hpmpi-2.02.07.00-20080408r.x86_64.rpm
>
> Surely there are more recent HPMPI-versions to go with your bledeing edge
> OFED?
>
> > Build: OFED-1.4.1 GA
>
> /Peter
>
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