Do older versions run fine?

Sent from my iPhone

> On 26 Jul 2024, at 11:45, Mark Dixon <mark.c.dixon@durham.ac.uk> wrote:
>
> Hi James,
>
> Thanks for the suggestion - I'm afraid there's no difference in behaviour between running on the login nodes or through the queue. And note that I reproduced the problem on my standlone desktop.
>
> Hi Spencer,
>
> Taking a look at the nektar CI system, it seems that that tests aren't habitually run on RHEL or its derivatives like Rocky/Alma. In all cases I've been using Rocky 8.
>
>
> I'm about to go on holiday, but what's the most constructive thing I can do? Trace Helmholtz2D/Helmholtz3D?
>
> Best,
>
> Mark
>
>> On Thu, 25 Jul 2024, Slaughter, James wrote:
>>
>> You don't often get email from j.slaughter19@imperial.ac.uk. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification>
>> [EXTERNAL EMAIL]
>> Hi Mark,
>>
>> Quick one, are you running these on the login nodes or are you submitting through your clusters scheduler/queuing system?
>>
>> If you aren't, would suggest trying through a job submission. MPI libraries aren't always available on the login nodes as a protection even if you load as a module.
>>
>> Thanks,
>> James.
>>
>>
>> Sent from Outlook for iOS<https://aka.ms/o0ukef>
>> ________________________________
>> From: nektar-users-bounces@imperial.ac.uk <nektar-users-bounces@imperial.ac.uk> on behalf of Sherwin, Spencer J <s.sherwin@imperial.ac.uk>
>> Sent: Thursday, July 25, 2024 4:37:43 PM
>> To: Mark Dixon <mark.c.dixon@durham.ac.uk>
>> Cc: nektar-users <nektar-users@imperial.ac.uk>
>> Subject: Re: [Nektar-users] Some parallel ctests hang
>>
>> Hi Mark,
>>
>> As far as I am aware these tests typically pass. We have a got lab CI system you can check to see what builds we typically run under gitlab.nektar.info
>>
>> Best,
>> Spencer
>>
>> Sent from my iPhone
>>
>>>> On 24 Jul 2024, at 17:10, Mark Dixon <mark.c.dixon@durham.ac.uk> wrote:
>>>
>>> 
>>> *******************
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>>> *******************
>>> Hi there,
>>>
>>> We're trying to install nektar++ 5.6.0 from source on our HPC system and are having trouble passing two parallel tests:
>>>
>>> MultiRegions_Helmholtz2D_CG_P7_Modes_AllBCs_iter_ml_par3
>>> MultiRegions_Helmholtz3D_CG_Hex_AllBCs_iter_ml_par3
>>>
>>> In both cases they hang. Have tried openmpi, intelmpi and mvapich2. Attaching strace to the processes reveals a lot of polling and not much else.
>>>
>>> To simplify, I've reproduced this on a separate Rocky 8.10 system + EPEL packages and building against master (7b1aa23bb) in case it has already been fixed. openmpi is 4.1.1:
>>>
>>> git clone http://gitlab.nektar.info/nektar/nektar.git
>>> mkdir build
>>> cd build
>>> cmake -D NEKTAR_USE_MPI=ON ../nektar
>>> make -j24
>>> ctest
>>>
>>> Are these tests known to be problematic, please?
>>>
>>> Thanks,
>>>
>>> Mark
>>>
>>> _______________________________________________
>>> Nektar-users mailing list
>>> Nektar-users@imperial.ac.uk
>>> https://mailman.ic.ac.uk/mailman/listinfo/nektar-users
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