The current CVS version of SLIME is broken with XEmacs with SBCL. I get the following in the message area when I start SLIME: itimer "itimer-<1>" signaled: (invalid-argument "Marker does not point anywhere") And this is displayed in the *slime-repl* buffer: debugger invoked on a SB-INT:SIMPLE-PROGRAM-ERROR in thread 15191: invalid number of arguments: 2 restarts (invokable by number or by possibly-abbreviated name): 0: [ABORT ] Reduce debugger level (leaving debugger, returning to toplevel). 1: [TOPLEVEL] Restart at toplevel READ/EVAL/PRINT loop. ("XEP for EVAL-STRING" 2 "(swank:getpid)" NIL 1)[:EXTERNAL] source: ; file .../projects/lisp/slime/swank.lisp (DEFSLIMEFUN EVAL-STRING (STRING BUFFER-PACKAGE ID) (LET ((*PROCESSING-RPC* T) (*DEBUGGER-HOOK* #'SWANK-DEBUGGER-HOOK)) (LET (OK RESULT) (UNWIND-PROTECT (LET # # # # #) (SYNC-STATE-TO-EMACS) (FORCE-OUTPUT *SLIME-IO*) (SEND-TO-EMACS `#)))) (WHEN *DEBUGGER-HOOK-PASSBACK* (SETQ *DEBUGGER-HOOK* *DEBUGGER-HOOK-PASSBACK*) (SETQ *DEBUGGER-HOOK-PASSBACK* NIL))) 0] CL-USER> However, if I type into the *inferior-lisp* buffer things seem to be working still in SBCL. It was working fine a few days ago and I haven't done anything except update SLIME, so I presume it is due to a recent change. XEmacs 21.5.16, SBCL 0.8.7.10. Thanks, 'james -- James A. Crippen <james at unlambda.com> Lambda Unlimited 61.2204N, -149.8964W Recursion 'R' Us Anchorage, Alaska, USA, Earth Y = \f.(\x.f(xx))(\x.f(xx))