This slime is probably installed by some debian package.
Do you know Bayes?
P(∃ problem with a CL or emacs package | the CL or emacs package is installed by the LINUX distribution) = 1-ε
Installing slime with emacs package-install could work, but the really
good way to do it, is to install it with quicklisp.
https://www.quicklisp.org/beta/
--
__Pascal Bourguignon__
http://www.informatimago.com/
“The factory of the future will have only two employees, a man and a
dog. The man will be there to feed the dog. The dog will be there to
keep the man from touching the equipment.” -- Carl Bass CEO Autodesk