Package: sbcl Version: 1:0.9.1.41-1hoary Severity: normal Here is the error I get when starting SLIME with SBCL as the `inferior-lisp-program': --- ; compiling file "/usr/share/common-lisp/source/slime/swank-sbcl.lisp" (written 27 APR 2005 09:11:59 PM): debugger invoked on a SB-EXT:PACKAGE-LOCKED-ERROR in thread 30461: Lock on package SB-C violated when interning DEBUG-SOURCE-INFO. See also: The SBCL Manual, Node "Package Locks" Type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [CONTINUE ] Ignore the package lock. 1: [IGNORE-ALL ] Ignore all package locks in the context of this operation. 2: [UNLOCK-PACKAGE] Unlock the package. 3: [ABORT ] Exit debugger, returning to top level. (SB-EXT:PACKAGE-LOCK-VIOLATION #<PACKAGE "SB-C">) 0] --- Thanks for help, Alexis. -- System Information: Debian Release: 3.1 Architecture: i386 (i686) Kernel: Linux 2.6.10-5-k7 Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8) Versions of packages sbcl depends on: ii common-lisp-control 4.15hoary This is a Common Lisp source and c ii libc6 2.3.2.ds1-20ubuntu13 GNU C Library: Shared libraries an ii sbcl-common 1:0.9.1.41-1hoary Architecture independent files for -- no debconf information