ACL MacOS 10.1 SLIME Inspect bug with SLIME 2.20

Mark H. David mhd at
Sat Jan 27 02:32:12 UTC 2018

Yes, after I tried updating it appears to be fixed. Thank you.

----- Original message -----
From: Stas Boukarev <stassats at>
To: "Mark H. David" <mhd at>
Cc: slime-devel at
Subject: Re: ACL MacOS 10.1 SLIME Inspect bug with SLIME 2.20
Date: Fri, 26 Jan 2018 18:53:19 +0000

Is this the release 2.20 or checked from git? If the latter, try
updating and doing it again, it may have been fixed.
On Fri, Jan 26, 2018 at 12:34 AM Mark H. David <mhd at> wrote:
> The SLIME inspect feature within SLIME in 2.20 does not work with ACL
> in our testing on version 10.1 on MacOS with "alisp" images, both SMP
> and non-SMP. The same SLIME inspect feature does work in the previous
> version, SLIME 2.19. Finally, there's no known problem with SLIME
> inspect with any other Lisps that we've tried in either of the
> versions of SLIME (2.19, 2.20), i.e., with CCL and SBCL.> 
>  To recreate, launch SLIME of the appropriate version (2.20) with
>  the appropriate inferior Lisp (ACL alisp 10.1/MacOS), then run
>  slime inspect on any object. For example, do M-x slime-inspect
>  [ret] () [ret]> 
>  The above invokes SLIME inspect to inspect the Lisp object nil,
>  entered as (). One could use any Lisp object, e.g., the list
>  '(1 2 3).> 
>  So, the above command ought to put you in a SLIME inspect buffer to
>  let you inspect the object. Instead, it throws you into a debugger
>  buffer.  Then, in addition, it is particularly onerous because the
>  input prompted for by the debugger is not apparently responded to.
>  For example, typing q to quit or 3 to abort does nothing. You
>  apparently can do nothing but manually kill the emacs buffers
>  involved with Lisp/SLIME.> 
>  See an attached screen shot for a picture of how the debugger
>  buffer looks.> 
>  The screen shot shows that the debugger is somewhere in no-applicable-
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