I just had SageMath 9.2 crash, so I tried installing 9.3. Alas, I get the same problem. The offending command is pretty innocuous:

sage: plot(ln(1+x),(-1,5))

The Sage window then crashes. In the notebook I get a message that the kernel just died. Running it in the Sage Terminal, sage crashes and leaves this message behind:

------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred.
This probably occurred because a *compiled* module has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Python will now terminate.
------------------------------------------------------------------------
/opt/sagemath-9.3/src/bin/sage-python: line 2:  1535 Segmentation fault      (core dumped) sage -python "$@"

Any ideas as to what is going on?

Fernando


--
==================================================================
Fernando Q. Gouvea
Carter Professor of Mathematics
Colby College
Mayflower Hill 5836
Waterville, ME 04901    
fqgou...@colby.edu         http://www.colby.edu/~fqgouvea

Humility engenders learning because it beats back the arrogance
that puts blinders on. It leaves you open for truths to reveal
themselves. You don't stand in your own way.
  -- Wynton Marsalis

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