issue_comments: 1373580808

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html_url issue_url id node_id user created_at updated_at author_association body reactions performed_via_github_app issue
https://github.com/pydata/xarray/issues/7421#issuecomment-1373580808 https://api.github.com/repos/pydata/xarray/issues/7421 1373580808 IC_kwDOAMm_X85R3y4I 8382834 2023-01-06T12:49:05Z 2023-01-06T12:49:05Z CONTRIBUTOR

I got help to extract more information in gdb; converting the ipynb to a py file and running it in gdb context:

```

jupyter nbconvert --to script issue_opening_2018_03_b.ipynb [NbConvertApp] Converting notebook issue_opening_2018_03_b.ipynb to script [NbConvertApp] Writing 1313 bytes to issue_opening_2018_03_b.py gdb --args python3 issue_opening_2018_03_b.py [...] (gdb) run Starting program: /usr/bin/python3 issue_opening_2018_03_b.py [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [...] Thread 1 "python3" received signal SIGSEGV, Segmentation fault. __memmove_sse2_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:314 314 ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S: No such file or directory. (gdb) bt

0 __memmove_sse2_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:314

1 0x00007ffff6af4bdc in NC4_get_vars () from /home/jrmet/.local/lib/python3.8/site-packages/netCDF4/.libs/libnetcdf-5e98d7e6.so.15.0.0

2 0x00007ffff6af337d in NC4_get_vara () from /home/jrmet/.local/lib/python3.8/site-packages/netCDF4/.libs/libnetcdf-5e98d7e6.so.15.0.0

3 0x00007ffff6a959aa in NC_get_vara () from /home/jrmet/.local/lib/python3.8/site-packages/netCDF4/.libs/libnetcdf-5e98d7e6.so.15.0.0

4 0x00007ffff6a96b9b in nc_get_vara () from /home/jrmet/.local/lib/python3.8/site-packages/netCDF4/.libs/libnetcdf-5e98d7e6.so.15.0.0

5 0x00007ffff6ec24bc in ?? () from /home/jrmet/.local/lib/python3.8/site-packages/netCDF4/_netCDF4.cpython-38-x86_64-linux-gnu.so

6 0x00000000005f5b39 in PyCFunction_Call ()

```

which seems to be originating in libnetcdf?

 
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