[Nek5000-users] Nek: abnormal termination by signal 11

[nek5000-users at lists.mcs.anl.gov]

When you do a restart and it hangs, what's your old and new lx1? Is this a single or double precision field file?
 
 
-----Original message-----
> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Friday 10th March 2017 17:52
> To: nek5000-users at lists.mcs.anl.gov
> Subject: Re: [Nek5000-users] Nek: abnormal termination by signal 11
> 
> Jan,
> 
> Memory layout on different architectures is different...
> 
> There is some sort of memory issue in the restart process under the scenario
> you described --- it is entirely my fault --- but I've not been able to readily track it down.
> Given that this situation does not often arise and that we have a standard fix, I've
> focused on other issues, but I apologize for causing you to lose time on this.
> 
> Paul
> 
> ________________________________________
> From: nek5000-users-bounces at lists.mcs.anl.gov [nek5000-users-bounces at lists.mcs.anl.gov] on behalf of nek5000-users at lists.mcs.anl.gov [nek5000-users at lists.mcs.anl.gov]
> Sent: Friday, March 10, 2017 8:39 AM
> To: nek5000-users at lists.mcs.anl.gov
> Subject: Re: [Nek5000-users] Nek: abnormal termination by signal 11
> 
> Hi Stefan and Paul,
> I just made a short test and it seems Pauls advice actually helped. I increased lelt so that the total memory available  stayed the same and the run started fine.
> This was with a single restart file with MPIIO on the IBM big endian system, but I think  I also had some restart files created on Intel.
> I will look into the memory footprint and the new master next week.
> Any idea why this only happens on IBM?
> Many thanks for the advice,
> Jan
> >
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