bug#48412: closed (tracepointing and backtracing in the REPL sometime hang)

[GNU bug Tracking System]

Your message dated Wed, 19 May 2021 21:34:26 +0200
with message-id <DC85256C-A247-4986-97DB-6FFD8C9AAC1F@sarc.name>
and subject line Re: bug#48412: duplicate ?
has caused the debbugs.gnu.org bug report #48412,
regarding tracepointing and backtracing in the REPL sometime hang
to be marked as done.

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-- 
48412: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=48412
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> --- Begin Message ---
>
>
>
> Subject: 
>
> tracepointing and backtracing in the REPL sometime hang
>
>
>
>
> Date: 
>
> Fri, 14 May 2021 09:02:14 +0200
>
>
>
>
> in Guile 3.0.5 installed with Guix (as a package manager on top of
> Ubuntu)
>
> In a file I have this simple procedure
>
> (define (f n)
>   (if (< n 3)
>       n
>       (+ (f (- n 1))
>          (* 2 (f (- n 2)))
>          (* 3 (f (- n 3))))))
>
>
> it's a variation of the one calculating the Fibonacci numbers, from an
> exercise of the SICP (1.11)
>
> At the REPL, I load the file normally
>
> scheme@(guile-user)> (load "1.11.scm")
>
> Now, I can trace this procedure
>
> scheme@(guile-user)> ,trace (f 4)
> trace: |  (f 4)
> trace: |  |  (f 3)
> trace: |  |  |  (f 2)
> trace: |  |  |  2
> trace: |  |  |  (f 1)
> trace: |  |  |  1
> trace: |  |  |  (f 0)
> trace: |  |  |  0
> trace: |  |  4
> trace: |  |  (f 2)
> trace: |  |  2
> trace: |  |  (f 1)
> trace: |  |  1
> trace: |  11
>
>
> But I can't tracepoint it
>
> scheme@(guile-user)> ,tp f
> Trap 0: Tracepoint at #<procedure f (n)>.
> scheme@(guile-user)> (f 4)
> Trap 0: (f 4)
> Trap 0: |  (f 3)
> Trap 0: |  |  (f 2)
> ice-9/boot-9.scm:1669:16: In procedure raise-exception:
> Wrong number of arguments to #<procedure return-handler (frame depth
> values)>
>
> Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
> scheme@(guile-user) [1]> 
>
>
> and now I can't even print a backtrace
>
> scheme@(guile-user)> (f 4)
> Trap 0: (f 4)
> Trap 0: |  (f 3)
> Trap 0: |  |  (f 2)
> ice-9/boot-9.scm:1669:16: In procedure raise-exception:
> Wrong number of arguments to #<procedure return-handler (frame depth
> values)>
>
> Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
> scheme@(guile-user) [1]> ,bt
> In /home/adriano/Documenti/SICP/1.11.scm:
>      64:9  4 (f 4)
>      64:9  3 (f 3)
> While executing meta-command:
> In procedure frame-local-ref: Argument 2 out of range: 1
> scheme@(guile-user) [1]> 
>
>
> and now I can't even trace no more
>
> scheme@(guile-user) [1]> ,q
> scheme@(guile-user)> ,trace (f 4)
> While executing meta-command:
> Wrong number of arguments to #<procedure return-handler (frame depth
> values)>
> scheme@(guile-user)> 
>
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#48412: duplicate ?
>
>
>
>
> Date: 
>
> Wed, 19 May 2021 21:34:26 +0200
>
>
>
>
> Patch applied in f9f55b9ce74898d1b0a77dcc9b4aa260e5cd208d. Thanks!
>
>
> > On 16 May 2021, at 09:09, Adriano Peluso <randomlooser@riseup.net> wrote:
> > 
> > Il giorno ven, 14/05/2021 alle 11.13 +0200, Adriano Peluso ha scritto:
> >> I just noticed someone sent a patch that seems relevant here
> >> 
> >> It's in #43102
> >> 
> >> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=43102
> > 
> > I applied this patch
> > 
> > It does solve the issue, it seems
> > 
> > Now I can tracepoint my procedure
> > 
> > 
> > 
> > 
>
>
>
> --- End Message ---