18: (INVOKE-OR-QUEUE-INTERRUPT #<FUNCTION SWANK:SIMPLE-BREAK>)
 19: (LAMBDA)
 20: UNKNOWN-LISP-FUNCTION
 21: (ERROR NIL)
 22: (LAMBDA)
 23: (WAIT-FOR-INPUT-INTERNAL #S(USOCKET::WAIT-LIST :%WAIT #<FOREIGN-DATA @ 0x55a50ba2bd88 :kind :CLASP-FOREIGN-DATA-KIND-POINTER :size 0 :ownership-flags 0 :data-ptr 0x7f3cf90a6690 :orig-ptr 0> :WAITERS (..
 24: (WAIT-FOR-INPUT #S(USOCKET::WAIT-LIST :%WAIT #<FOREIGN-DATA @ 0x55a50ba2bd88 :kind :CLASP-FOREIGN-DATA-KIND-POINTER :size 0 :ownership-flags 0 :data-ptr 0x7f3cf90a6690 :orig-ptr 0> :WAITERS (#<USOCKET..
 25: (WAIT-FOR-INPUT #<USOCKET:STREAM-SERVER-USOCKET> :READY-ONLY T)
 26: UNKNOWN-LISP-FUNCTION
 27: UNKNOWN-LISP-FUNCTION
 28: UNKNOWN-LISP-FUNCTION
 29: UNKNOWN-LISP-FUNCTION
 30: UNKNOWN-LISP-FUNCTION
 31: UNKNOWN-LISP-FUNCTION
 32: (INVALIDATED-DISPATCH-FUNCTION #<STANDARD-GENERIC-FUNCTION HUNCHENTOOT:ACCEPT-CONNECTIONS> #<VA-LIST: (#<ACCEPTOR (host *, port 5123)>)>)
 33: UNKNOWN-LISP-FUNCTION
 34: UNKNOWN-LISP-FUNCTION
 35: UNKNOWN-LISP-FUNCTION
 36: (INVALIDATED-DISPATCH-FUNCTION #<STANDARD-GENERIC-FUNCTION HUNCHENTOOT:EXECUTE-ACCEPTOR> #<VA-LIST: (#<HUNCHENTOOT:SINGLE-THREADED-TASKMASTER>)>)
 37: UNKNOWN-LISP-FUNCTION
 38: UNKNOWN-LISP-FUNCTION
 39: UNKNOWN-LISP-FUNCTION
 40: UNKNOWN-LISP-FUNCTION
 41: (INVALIDATED-DISPATCH-FUNCTION #<STANDARD-GENERIC-FUNCTION HUNCHENTOOT:START> #<VA-LIST: (#<ACCEPTOR (host *, port 5123)>)>)
 42: UNKNOWN-LISP-FUNCTION
 43: UNKNOWN-LISP-FUNCTION
 44: UNKNOWN-LISP-FUNCTION
 45: (LAMBDA)
 46: (EVAL-REGION "(staple-server:start\n)\n")