Re: SBCL 2.3.11: Core dump after typing Control-4

It sounds like you have your shell set up to signal SIGQUIT on pressing
that key combination, which is generally not meaningful because ctrl+4 is
not an ascii character, but it's not out of the question that your keyboard
is set up to turn control+4 into sigquit.

$ ./run-sbcl.sh

This is SBCL 2.5.5.95-65558b3a8-WIP, an implementation of ANSI Common Lisp.

More information about SBCL is available at <http://www.sbcl.org/>.


SBCL is free software, provided as is, with absolutely no warranty.

It is mostly in the public domain; some portions are provided under

BSD-style licenses.  See the CREDITS and COPYING files in the

distribution for more information.

* ^\

Quit (core dumped)


You could confirm this theory that it's the tty settings by running
anything other than SBCL and pressing the same keystroke.

$ cat # and press the alleged sigquit key now

^\Quit (core dumped)


$ stty -a
speed 9600 baud; rows 67; columns 128; line = 0;
intr = ^C; quit = ^\
[etc etc]

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