GNU bug report logs - #13188
par-map causes VM stack overflow

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: tracker <at> debbugs.gnu.org
Subject: bug#13188: closed (par-map causes VM stack overflow)
Date: Wed, 27 Mar 2013 17:15:02 +0000

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Your message dated Wed, 27 Mar 2013 18:12:16 +0100
with message-id <87y5d8rclr.fsf <at> gnu.org>
and subject line Re: bug#13188: par-map causes VM stack overflow
has caused the debbugs.gnu.org bug report #13188,
regarding par-map causes VM stack overflow
to be marked as done.

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help-debbugs <at> gnu.org.)


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13188: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13188
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From: Nala Ginrut <nalaginrut <at> gmail.com>
To: bug-guile <at> gnu.org
Subject: par-map causes VM stack overflow
Date: Sat, 15 Dec 2012 16:12:32 +0800

Here is the error message.
Anyway, par-map shouldn't cause stack overflow.

-----------------------err msg------------------------------
scheme@(guile-user)> (par-map 1+ (iota 10000))
While executing meta-command:
ERROR: Throw to key `vm-error' with args `(vm-run "VM: Stack
overflow" ())'.
-------------------------end--------------------------------

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Nala Ginrut <nalaginrut <at> gmail.com>
Cc: 13188-done <at> debbugs.gnu.org
Subject: Re: bug#13188: par-map causes VM stack overflow
Date: Wed, 27 Mar 2013 18:12:16 +0100

Hi,

Nala Ginrut <nalaginrut <at> gmail.com> skribis:

> scheme@(guile-user)> (par-map 1+ (iota 10000))
> While executing meta-command:
> ERROR: Throw to key `vm-error' with args `(vm-run "VM: Stack
> overflow" ())'.

Commit 8a177d3 fixes this.  I added a paragraph in the documentation
that explains what happens: delimited continuations to the rescue once
again!  ;-)

Comments welcome.

Ludo’.

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