Here's a patch for SWANK that fixes *globally-redirect-io* set to T when restarting SWANK, for instance by typing M-x slime when a REPL is already present.

I can't attach files since I'm posting through GMANE so it's included in the message. If whitespace breaks use the -l flag for patch(1).

diff --git a/swank.lisp b/swank.lisp index d6cf047..ac314fb 100644 --- a/swank.lisp +++ b/swank.lisp @@ -1488,8 +1488,8 @@ dynamic binding." "The symbols naming standard io streams.")

(defun init-global-stream-redirection () - (when *globally-redirect-io* - (assert (not *saved-global-streams*) () "Streams already redirected.") + (when (and *globally-redirect-io* + (not *saved-global-streams*)) (mapc #'setup-stream-indirection (append *standard-output-streams* *standard-input-streams*