Bug#519920: sbcl has trouble starting a new swank server

[A.W.]

Package: sbcl
Version: 1:1.0.25-1

Starting a new swank server with the following code

(require 'asdf)
(asdf:oos 'asdf:load-op 'swank)
;Specifically, this line\/
(swank:start-server :dont-close t)

results in the following error:

The function SWANK:START-SERVER is undefined.0:
(SB-DEBUG::MAP-BACKTRACE #<CLOSURE (LAMBDA #) {D63C255}>)[:EXTERNAL]
1: (SB-DEBUG:BACKTRACE 100 #<SB-IMPL::STRING-OUTPUT-STREAM {D63C201}>)
2: (BACKTRACE-STRING)
3: (ERR "~A")[:EXTERNAL]
4: (EVAL-LINE "(swank:start-server :dont-close t)")
5: (CALL-INTERACTIVELY
 "eval"
 #S(ARGUMENT-LINE
 :STRING "eval (swank:start-server :dont-close t)"
 :START 39))
6: (EVAL-COMMAND "eval (swank:start-server :dont-close t)" NIL)
7: (HANDLE-STUMPWM-COMMANDS #<XLIB:WINDOW :0 67>)
8: (HANDLE-EVENT)[:EXTERNAL]
9: ((FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK))
10: ((FLET #:WITHOUT-INTERRUPTS-BODY-[CALL-WITH-RECURSIVE-LOCK]509))
11: (SB-THREAD::CALL-WITH-RECURSIVE-LOCK
 #<CLOSURE (FLET SB-THREAD::WITH-RECURSIVE-LOCK-THUNK) {B77F4CB5}>
 #S(SB-THREAD:MUTEX
 :NAME "CLX Event Lock"
 :%OWNER #<SB-THREAD:THREAD "initial thread" RUNNING {B691579}>
 :STATE 1))
12: (XLIB:PROCESS-EVENT #<XLIB:DISPLAY :0 (The X.Org Foundation
R10402000)>)[:EXTERNAL]
13: (STUMPWM-INTERNAL-LOOP)
14: (STUMPWM-INTERNAL ":0")
15: (STUMPWM ":0")
16: ((LAMBDA ()))
17: ((LABELS SB-IMPL::RESTART-LISP))

I don't have any suggestions at the moment.

I am using Debian GNU/Linux Sid, updated.

-- TheGZeus: Proof of Ferocious Will --