Dear SLIME, I've been having this problem, in one way or another, for a long time now. But, I think, I'd always found some combination of SLIME and SBCL that worked together. Now, I'm stuck. I'm running SBCL 1.0.22, on Linux x86-64. I believe I have a very recent version of SLIME, checked out from CVS within the last few weeks. SLIME seems to work fine with the SBCL binary distribution. But, when I recompile it with ":sb-thread" enabled, Slime won't start. So, it seems that the threading is interfering with SLIME? When I starts Slime, this is the error I see see this in mini-buffer: List connection closed unexpectedly: exited abnormally with code 256 And, in the *inferior-lisp* buffer I see: " Implicitly creating new generic function STREAM-READ-CHAR-WILL- HANG-P. ; loading #P"/home/benlambert/.slime/fasl/2008-11-02/sbcl-1.0.22-linux- x86-64/swank.fasl" WARNING: These Swank interfaces are unimplemented: (CALLS-WHO DISASSEMBLE-FRAME SLDB-BREAK-AT-START SLDB-BREAK-ON-RETURN WHO-SPECIALIZES) ;; Swank started at port: 41099. 41099 * Process inferior-lisp hangup" I'm glad to provide any more debugging information that I can. Is there any fix, or workaround, that I could try? That is, short of just not using threading. Thanks for any help you might be able to give. Ben Lambert P.S. I'm a long time user and a big fan of Slime. Good work, all. -- Benjamin Lambert Graduate Student of Computer Science Carnegie Mellon University www.cs.cmu.edu/~belamber Mobile: 617-869-1844