julia 1.4.2, crash with PyPlot and libopenblas-3.7, FreeBSD 12.1

The following happens on FreeBSD 12.1 when I run a PyPlot example and try to rotate the 3D plot:

_
_ _ _(_)_ | Documentation: https://docs.julialang.org
(_) | (_) (_) |
_ _ _| |_ __ _ | Type "?" for help, "]?" for Pkg help.
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version 1.4.2 (2020-05-23)
_/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release
|__/ |

julia> using PyPlot

julia> surf(rand(30,40))
PyObject

julia>
signal (11): Segmentation fault
in expression starting at REPL[2]:0
dgetrf_parallel at /usr/local/lib/libopenblas.so (unknown line)
dgesv_ at /usr/local/lib/libopenblas.so (unknown line)
PyInit__umath_linalg at /usr/local/lib/python3.7/site-packages/numpy/linalg/_umath_linalg.so (unknown line)
initumath at /usr/local/lib/python3.7/site-packages/numpy/core/_multiarray_umath.so (unknown line)
initumath at /usr/local/lib/python3.7/site-packages/numpy/core/_multiarray_umath.so (unknown line)
_PyObject_FastCallKeywords at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyEval_GetFuncDesc at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyCFunction_Call at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyEval_GetFuncDesc at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyCFunction_Call at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyEval_GetFuncDesc at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalCodeWithName at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyFunction_FastCallKeywords at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyEval_GetFuncDesc at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalCodeWithName at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyFunction_FastCallDict at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyObject_Call_Prepend at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyObject_Call at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalCodeWithName at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyFunction_FastCallKeywords at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyEval_GetFuncDesc at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalCodeWithName at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyFunction_FastCallKeywords at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyEval_GetFuncDesc at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyEval_EvalFrameDefault at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyCFunction_Call at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
_PyObject_Call_Prepend at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyObject_Call at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
PyInit__gi at /usr/local/lib/python3.7/site-packages/gi/_gi.so (unknown line)
g_closure_invoke at /usr/local/lib/libgobject-2.0.so.0 (unknown line)
g_signal_emitv at /usr/local/lib/libgobject-2.0.so.0 (unknown line)
g_signal_emit_valist at /usr/local/lib/libgobject-2.0.so.0 (unknown line)
g_signal_emit at /usr/local/lib/libgobject-2.0.so.0 (unknown line)
gtk_widget_event at /usr/local/lib/libgtk-3.so.0 (unknown line)
gtk_propagate_event at /usr/local/lib/libgtk-3.so.0 (unknown line)
gtk_main_do_event at /usr/local/lib/libgtk-3.so.0 (unknown line)
gdk_drawing_context_is_valid at /usr/local/lib/libgdk-3.so.0 (unknown line)
gdk_x11_drag_context_get_type at /usr/local/lib/libgdk-3.so.0 (unknown line)
g_main_context_dispatch at /usr/local/lib/libglib-2.0.so.0 (unknown line)
g_main_context_pending at /usr/local/lib/libglib-2.0.so.0 (unknown line)
g_main_context_iteration at /usr/local/lib/libglib-2.0.so.0 (unknown line)
gtk_main_iteration at /usr/local/lib/libgtk-3.so.0 (unknown line)
ffi_call_unix64 at /usr/local/lib/libffi.so.6 (unknown line)
ffi_call at /usr/local/lib/libffi.so.6 (unknown line)
PyInit__gi at /usr/local/lib/python3.7/site-packages/gi/_gi.so (unknown line)
PyInit__gi at /usr/local/lib/python3.7/site-packages/gi/_gi.so (unknown line)
PyObject_Call at /usr/local/lib/libpython3.7m.so.1.0 (unknown line)
macro expansion at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/exception.jl:93 [inlined]
#110 at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/pyfncall.jl:43 [inlined]
disable_sigint at ./c.jl:446 [inlined]
__pycall! at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/pyfncall.jl:42 [inlined]
_pycall! at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/pyfncall.jl:29
_pycall! at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/pyfncall.jl:11 [inlined]
#pycall#115 at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/pyfncall.jl:80 [inlined]
pycall at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/pyfncall.jl:80 [inlined]
#1 at /usr/home/ko/.julia/packages/PyCall/zqDXB/src/gui.jl:96
macro expansion at ./asyncevent.jl:251 [inlined]
#504 at ./task.jl:358
jl_apply at /usr/home/julia/buildbot/worker/package_freebsd64/build/src/./julia.h:1700 [inlined]
start_task at /usr/home/julia/buildbot/worker/package_freebsd64/build/src/task.c:687
unknown function (ip: 0x0)
Allocations: 31183995 (Pool: 31175192; Big: 8803); GC: 31