[Octave-bug-tracker] [bug #37713] HDF5 error message on exit

[Mike Miller]

Follow-up Comment #11, bug #37713 (project octave):

Dan, if you read my last two comments you'd see that I already narrowed this
down to a specific usage of the HDF5 library. Namely, calling the H5Fis_hdf5
function and no other HDF5 functions from a thread that is not the main thread
in a program. If you link with the ordinary HDF5 library, this error is
printed when the program shuts down. If you link with one of the MPI-enabled
HDF5 libraries, no error.

To reproduce this you can either

* use the example program in comment #9
* run the Octave GUI with one or more packages installed and quit without
doing anything
* run the Octave GUI without any packages (octave -f) and do something like
this:


>> x = 0;
>> save foo.txt x
>> load foo.txt
>> quit


Other than noise, I don't see any harmful behavior. For the moment, I consider
this a bug in HDF5 and not a bug in Octave.

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