Hi Zach, Thank you for the suggestions. I'll raise a ticket for the first issue, and check out the second one.
Regards Shamim Haque Senior Research Fellow (SRF) Department of Physics IISER Bhopal ᐧ On Sun, Oct 15, 2023 at 12:29 AM Zach Etienne <zache...@gmail.com> wrote: > Hi Shamim, > > Thank you for providing additional information on the issue. Let's address > your questions one by one: > > * Memory Usage > If the error message is about "grid structure consistency," that usually > points to an issue setting up the Carpet grids rather than a lack of > memory. Maybe Carpet is having a problem breaking up the grids beyond 8 > cores? I suggest you submit a ticket to > https://bitbucket.org/einsteintoolkit/tickets/ with the full instructions > on reproducing the problem. > > * Invalid MIT-MAGIC-COOKIE-1 Key > You're correct in your assumption that the Invalid MIT-MAGIC-COOKIE-1 key > issue might not be directly causing the problem you're facing with the BNSM > runs, especially since the simulations ran successfully despite the > warning. However, I'd still recommend addressing this issue to eliminate it > as a potential confounding factor. > > -Zach > > * * * > Zachariah Etienne > Assoc. Prof. of Physics, U. of Idaho > Adjunct Assoc. Prof. of Physics & Astronomy, West Virginia U. > https://etienneresearch.com > https://blackholesathome.net > > > On Sat, Oct 14, 2023 at 6:36 AM Shamim Haque 1910511 <sham...@iiserb.ac.in> > wrote: > >> Hi Zach, >> >> I retried it on a workstation with fairly good configuration (80 threads, >> 256 GB RAM), where I ran test BNSM simulations. The problem remains the >> same. >> >> I cannot use more than 8 procs (num-threads 1) for this parfile. >> Otherwise, it says, 'grid structure consistency check failed'. So, I >> guess this simulation is not demanding too much memory. But is there a >> better way to check how much memory is expected? >> >> Secondly, I checked the error files from my old BNSM runs, those files >> also contain the following lines indicating Invalid MIT-MAGIC-COOKIE-1 key: >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *+ mpirun --use-hwthread-cpus -np 10 >> /home/astro208/simulations/t1.4_had_1.4M/SIMFACTORY/exe/cactus_sim -L 3 >> /home/astro208/simulations/t1.4_had_1.4M/output-0000/t1.4_had_1.4M.parInvalid >> MIT-MAGIC-COOKIE-1 >> key--------------------------------------------------------------------------WARNING: >> No preset parameters were found for the device that Open MPIdetected: >> Local host: astro Device name: irdma0 Device vendor >> ID: 0x8086 Device vendor part ID: 14289Default device parameters will >> be used, which may result in lowerperformance. You can edit any of the >> files specified by thebtl_openib_device_param_files MCA parameter to set >> values for yourdevice.NOTE: You can turn off this warning by setting the >> MCA parameter btl_openib_warn_no_device_params_found to >> 0.--------------------------------------------------------------------------No >> OpenFabrics connection schemes reported that they were able to beused on a >> specific port. As such, the openib BTL (OpenFabricssupport) will be >> disabled for this port. Local host: astro Local device: >> irdma1 Local port: 1 CPCs attempted: >> udcm--------------------------------------------------------------------------Open >> MPI failed an OFI Libfabric library call (fi_endpoint). This is >> highlyunusual; your job may behave unpredictably (and/or abort) after >> this. Local host: astro Location: mtl_ofi_component.c:629 Error: >> Unspecified error >> (256)--------------------------------------------------------------------------* >> >> These simulations ran successfully. Even though Invalid-MAGIC-COOKIE >> could be a separate issue, it may not be the source of this particular >> problem, but I could be totally wrong here. >> >> Please let me know your thoughts on this. >> >> Regards >> Shamim Haque >> Senior Research Fellow (SRF) >> Department of Physics >> IISER Bhopal >> Shamim Haque >> Senior Research Fellow (SRF) >> Department of Physics >> IISER Bhopal >> >> ᐧ >> >> On Thu, Oct 12, 2023 at 8:15 PM Zach Etienne <zache...@gmail.com> wrote: >> >>> Hi Shamim, >>> >>> Invalid MIT-MAGIC-COOKIE-1 key: This is related to X11 forwarding and >>> authentication. The MIT-MAGIC-COOKIE-1 is an authentication scheme used by >>> X11, the Linux windowing system. When you're trying to run a program that >>> requires graphical output on a remote machine, the X11 system uses these >>> "magic cookies" to authenticate the user. If there's a mismatch or the key >>> is invalid, you will be denied permission. >>> >>> We believe the segmentation fault is probably due to running a parameter >>> file on a computer that doesn't have enough memory. The error file seemed >>> to indicate running on a laptop. >>> >>> -Zach >>> >>> * * * >>> Zachariah Etienne >>> Assoc. Prof. of Physics, U. of Idaho >>> Adjunct Assoc. Prof. of Physics & Astronomy, West Virginia U. >>> https://etienneresearch.com >>> https://blackholesathome.net >>> >>> >>> On Thu, Oct 12, 2023 at 6:34 AM Shamim Haque 1910511 < >>> sham...@iiserb.ac.in> wrote: >>> >>>> Hello all, >>>> >>>> I am trying to use the bbig.par parameter file to extract the metric >>>> and thermodynamic information for an isolated star ID from Lorene. This >>>> parfile is available in Meudon_Mag_NS/par folder. >>>> >>>> I tried this par file with the given Lorene ID. It is supposed to exit >>>> after iter 0 with IO outfiles. However, it does not give the requested >>>> outputs upon completion of the simulation. I can see the Lorene information >>>> is read correctly in the out file, but I am unable to find out the problem. >>>> >>>> I need some help with this. I have attached the parfile, ID, outfile >>>> and error file for reference. >>>> >>>> Regards >>>> Shamim Haque >>>> Senior Research Fellow (SRF) >>>> Department of Physics >>>> IISER Bhopal >>>> ᐧ >>>> _______________________________________________ >>>> Users mailing list >>>> Users@einsteintoolkit.org >>>> http://lists.einsteintoolkit.org/mailman/listinfo/users >>>> >>>
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