Whatever the configuration, slime should not drop in the common-lisp debugger when I'm editing a file! FIND-SYMBOL: There is no package with name "ASDF" [Condition of type SYSTEM::SIMPLE-PACKAGE-ERROR] Restarts: 0: [USE-VALUE] You may input a value to be used instead. 1: [ABORT] Abort handling SLIME request. Backtrace: 0: frame binding variables (~ = dynamically): | ~ SYSTEM::*FASOUTPUT-STREAM* <--> NIL 1: EVAL frame for form (SWANK:ARGLIST-FOR-ECHO-AREA '("asdf:oo")) 2: EVAL frame for form (SWANK:START-SERVER "/tmp/slime.28369") 3: EVAL frame for form (SWANK:START-SERVER "/tmp/slime.28369") -- __Pascal Bourguignon__ http://www.informatimago.com/ To vote Democrat or Republican, it's like changing of cabin in the Titanic.