Ugh. There is a bug in xmaxima that causes it to appear
to crash X11 under the right circumstances. I say
"appear to crash X11" because that isn't what happens
at all. (I, too, had assumed it was crashing X11 until
I found the bug.) What it really does is (semi-)
intentionally call "kill -1". Here is what "man kill"
says about the option "-1":
-1 All processes with pid larger than
1 will be
I.e., xmaxima tries to stop just about every process on
your computer. I found this bug once and fixed it so
that xmaxima would never call "kill -1". Unfortunately,
my fix was incompatible with windows, so it was backed out.
hint: xmaxima uses "pid = -1" as an internal flag
the maxima process has not been started. -1 is a **VERY
BAD** default value for pid.
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