[Openmcl-devel] Unprintable CCL::IMMEDIATE : #xEB

[Gary Byers]

It's hard to respond to something like this without knowing what version
of the lisp you're running.  Unless you're really sure that that information
is irrelevant, it's generally a good idea to include it when reporting a
problem like this.

My best guess is that you're running some 32-bit X86 version on Darwin.
On that platform, #xeb is just a placeholder value used to reserve
space for an outgoing stack frame in some cases; nothing's supposed
to ever "see" that marker value.  Having one of these things get
passed around is indicative of a fairly serious bug (the compiler's
lost track of what's on the stack, or the runtime is pushing or
popping more than it's supposed to, or something like that.)

It's been a while since I've seen that sort of bug in the x86-32
trunk lisps, but that doesn't mean that such a bug isn't still
there.  If it is still present in the trunk, then knowing how to
reproduce it would be helpful.


On Sun, 30 Nov 2008, Cyrus Harmon wrote:

>
> Ok, so my latest issue in trying to port my stuff to ccl is the error
> shown below. Not sure where to begin with this one.
>
> thanks,
>
> Cyrus
>
> value #<Unprintable CCL::IMMEDIATE : #xEB> is not of the expected type
> CCL::UVECTOR.
>    [Condition of type TYPE-ERROR]
>
> Restarts:
>  0: [RETRY] Retry SLIME REPL evaluation request.
>  1: [ABORT] Return to SLIME's top level.
>  2: [ABORT-BREAK] Reset this thread
>  3: [ABORT] Kill this thread
>
> Backtrace:
>   0: ((:INTERNAL CCL::%XERR-DISP))
>   1: (CCL::FUNCALL-WITH-ERROR-REENTRY-DETECTION #<CCL:COMPILED-
> LEXICAL-CLOSURE (:INTERNAL CCL::%XERR-DISP) #x688A2E>)
>   2: (CCL::%XERR-DISP -334757490)
>   3: (CCL::%PASCAL-FUNCTIONS% 2 -334757490)
>   4: (CCL::%PR-INTEGER #<Unprintable CCL::IMMEDIATE : #xEB> 10
> #<SWANK-BACKEND::SLIME-OUTPUT-STREAM #x8AE5026> T NIL)
>   5: (CCL::%RSC-STRING #<Unprintable CCL::IMMEDIATE : #xEB>)
>   6: (CCL::%ERR-DISP-INTERNAL #<Unprintable CCL::IMMEDIATE : #xEB> (#
> \M #(0 0)) 1564382)
>   7: (READ-SEQUENCE #(0 0) #<BASIC-FILE-CHARACTER-INPUT-STREAM ("/
> Users/sly/projects/git.cyrusharmon.org/retrospectiff/images/snow.tiff"/
> 7 ISO-8859-1) #x9BFF296> :START 0 :END 2)
>   8: (READ-BYTES #<BASIC-FILE-CHARACTER-INPUT-STREAM ("/Users/sly/
> projects/git.cyrusharmon.org/retrospectiff/images/snow.tiff"/7
> ISO-8859-1) #x9BFF296> 2)
>   9: (READ-INT-16 #<BASIC-FILE-CHARACTER-INPUT-STREAM ("/Users/sly/
> projects/git.cyrusharmon.org/retrospectiff/images/snow.tiff"/7
> ISO-8859-1) #x9BFF296> :BYTE-ORDER NIL)
>  10: (READ-TIFF-STREAM #<BASIC-FILE-CHARACTER-INPUT-STREAM ("/Users/
> sly/projects/git.cyrusharmon.org/retrospectiff/images/snow.tiff"/7
> ISO-8859-1) #x9BFF296>)
>  11: (READ-TIFF-FILE "images/snow.tiff")
>  12: (CCL::CALL-CHECK-REGS READ-TIFF-FILE "images/snow.tiff")
>  13: (CCL::CHEAP-EVAL-IN-ENVIRONMENT (CCL::%DEFPARAMETER '*SNOW-
> IMAGE* (READ-TIFF-FILE "images/snow.tiff") NIL) #<CCL::LEXICAL-
> ENVIRONMENT #x9BFFC86>)
>  14: (SWANK::EVAL-REGION "(defparameter *snow-image* (read-tiff-file
> \"images/snow.tiff\"))\n")
>  15: ((:INTERNAL SWANK::REPL-EVAL))
>  16: (SWANK::TRACK-PACKAGE #<CCL:COMPILED-LEXICAL-CLOSURE (:INTERNAL
> SWANK::REPL-EVAL) #x9BCE11E>)
>  17: (SWANK::CALL-WITH-RETRY-RESTART "Retry SLIME REPL evaluation
> request." #<CCL:COMPILED-LEXICAL-CLOSURE (:INTERNAL SWANK::REPL-EVAL)
> #x9BCE16E>)
>  18: (SWANK::CALL-WITH-BUFFER-SYNTAX NIL #<CCL:COMPILED-LEXICAL-
> CLOSURE (:INTERNAL SWANK::REPL-EVAL) #x9BCE196>)
>  19: (SWANK::REPL-EVAL "(defparameter *snow-image* (read-tiff-file
> \"images/snow.tiff\"))\n")
>  20: (CCL::CALL-CHECK-REGS SWANK:LISTENER-EVAL "(defparameter *snow-
> image* (read-tiff-file \"images/snow.tiff\"))\n")
>  21: (SWANK::EVAL-FOR-EMACS (SWANK:LISTENER-EVAL "(defparameter *snow-
> image* (read-tiff-file \"images/snow.tiff\"))\n") "RETROSPECTIFF" 85)
>  22: (SWANK::PROCESS-REQUESTS NIL)
>  23: ((:INTERNAL SWANK::HANDLE-REQUESTS))
>  24: (#<Anonymous Function #x8A3D7DE> #<Compiled-function SWANK:SWANK-
> DEBUGGER-HOOK #x8AAD826> #<CCL:COMPILED-LEXICAL-CLOSURE (:INTERNAL
> SWANK::HANDLE-REQUESTS) #x98A20FE>)
>  25: (SWANK::CALL-WITH-REDIRECTED-IO #<CONNECTION #x8AE50D6>
> #<CCL:COMPILED-LEXICAL-CLOSURE (:INTERNAL SWANK::CALL-WITH-CONNECTION)
> #x98A20D6>)
>  26: (SWANK::CALL-WITH-CONNECTION #<CONNECTION #x8AE50D6>
> #<CCL:COMPILED-LEXICAL-CLOSURE (:INTERNAL SWANK::HANDLE-REQUESTS)
> #x98A20FE>)
>  27: (SWANK::HANDLE-REQUESTS #<CONNECTION #x8AE50D6> NIL)
>  28: (SWANK::CALL-WITH-BINDINGS NIL #<CCL:COMPILED-LEXICAL-CLOSURE
> (:INTERNAL SWANK::SPAWN-REPL-THREAD) #x8AEEE3E>)
>  29: (CCL::RUN-PROCESS-INITIAL-FORM #<PROCESS repl-thread(5) [Active]
> #x8AEE1A6> (#<CCL:COMPILED-LEXICAL-CLOSURE (:INTERNAL CCL::%PROCESS-
> RUN-FUNCTION) #x8AEE156>))
>  30: ((:INTERNAL CCL::%PROCESS-PRESET-INTERNAL) #<PROCESS repl-
> thread(5) [Active] #x8AEE1A6> (#<CCL:COMPILED-LEXICAL-CLOSURE
> (:INTERNAL CCL::%PROCESS-RUN-FUNCTION) #x8AEE156>))
>  31: ((:INTERNAL CCL::THREAD-MAKE-STARTUP-FUNCTION))
>
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