GNU bug report logs - #27476
Multi-threaded compilation of 'syntax-parameterize' forms crashes

Previous Next

Package: guile;

Reported by: Leo Famulari <leo <at> famulari.name>

Date: Sat, 24 Jun 2017 16:33:01 UTC

Severity: serious

Tags: unreproducible

Merged with 27652, 28144, 31294, 31367, 31740, 32385, 34112, 34319

Done: Ludovic Courtès <ludo <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #29 received at 27476 <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <rekado <at> elephly.net>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: Andy Wingo <wingo <at> igalia.com>, help-guix <at> gnu.org, 27476 <at> debbugs.gnu.org
Subject: Re: guix pull fails on powerful server
Date: Mon, 25 Sep 2017 16:02:36 +0200

Ludovic Courtès <ludo <at> gnu.org> writes:

> With this program:
>
> --8<---------------cut here---------------start------------->8---
> (use-modules (ice-9 threads)
>              (srfi srfi-1))
>
> (define-syntax-parameter foo
>   (identifier-syntax +))
>
> (define threads
>   (unfold (lambda (x) (> x 100))
>           (lambda (x)
>             (call-with-new-thread
>              (lambda ()
>                (while #t
>                  (macroexpand
>                   '(syntax-parameterize ((foo (identifier-syntax -)))
>                      (foo y z)))))))
>           1+
>           0))
>
> (for-each join-thread threads)
> --8<---------------cut here---------------end--------------->8---

I have tried this programme on my 16 core 32G workstation, and on the
192 core 1.5T server, but could not get it to segfault.

-- 
Ricardo

GPG: BCA6 89B6 3655 3801 C3C6  2150 197A 5888 235F ACAC
https://elephly.net
This bug report was last modified 4 years and 152 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.