[Mesa-users] [mesa-users] version 15140 -- something weird happens with rotation

[Rob Farmer]

>In file '../private/eps_mdot.f90', around line 506: Error allocating 86448
bytes: Cannot allocate memory

You've run out of memory. Try reducing the number of mesh points.

You may also want to try setting
https://docs.mesastar.org/en/r15140/reference/star_job.html#num-steps-for-garbage-collection
to 1000 to clear up old EOS data

Rob



On Tue, 23 Aug 2022 at 11:30, Amedeo Romagnolo via Mesa-users <
mesa-users at lists.mesastar.org> wrote:

> Hi all,
>
> I have been trying to implement rotation into a massive star, and I get
> some weird error that I cannot wrap my head around.
>
> As you can see from the movie, I stop a star near ZAMS (roughly model
> number 900) and set an initial rotation according to the inlist I am
> sharing with you.
>
> Now what happens here is that my simulations during main sequence suddenly
> get into an almost endless loop like the following:
>
> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>>  Load1_eosDT_Table ierr        5014           1           2
>>         NaN                       NaN
>> failed while reading
>> /work/chuck/aromagnolo/MESA/mesa/data/eosFreeEOS_data/mesa-FreeEOS_02z00x.data
>>  Load1_eosDT_Table ierr          -1           1           2
>>         NaN                       NaN
>> In file '../private/eps_mdot.f90', around line 506: Error allocating
>> 86448 bytes: Cannot allocate memory
>>
>> Error termination. Backtrace:
>>
>> Program received signal SIGSEGV: Segmentation fault - invalid memory
>> reference.
>>
>> Backtrace for this error:
>> ./rn: line 6: 24609 Segmentation fault      ./star
>> DATE: 2022-08-23
>> TIME: 11:09:45
>>
>
> Do you know what kind of problem I am facing right now and how to solve it?
>
> Cheers,
>
> Amedeo
> _______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>
>
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