GNU bug report logs - #26441
Gnulib’s ‘test-lock’ fails to complete on machines with >= 32 cores

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Message #17 received at 26441 <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: Mathieu Othacehe <m.othacehe <at> gmail.com>, bug-gnulib <at> gnu.org,
 26441 <at> debbugs.gnu.org
Subject: Re: bug#26441: Gnulib’s ‘test-lock’ fails
 to complete on machines with >= 32 cores
Date: Wed, 12 Apr 2017 16:37:03 +0200

Hi Ludo,

> The ‘test-lock’ test as shipped with gettext-0.19.8.1 fails to complete
> (or hangs?) on machines with 32+ cores, as reported here:
> 
>   https://bugs.gnu.org/26441
> 
> Does that ring a bell?

Yes, this is the bug that was investigated in December 2016 [1] and
subsequently fixed [2].

> Mathieu Othacehe found that this is fixed by gettext commit
> 1afbcb06fded2a427b761dd1615b1e48e1e853cc but writes:
> 
> > However, I don't fully understand the difference between commit
> > 1afbcb06fded2a427b761dd1615b1e48e1e853cc in gettext and commit
> > 480d374e596a0ee3fed168ab42cd84c313ad3c89 in gnulib.

gettext contains two copies of test-lock.c, one from gnulib and
a another one that doesn't use gnulib.
The commit 480d374e596a0ee3fed168ab42cd84c313ad3c89 in gnulib fixed
the first one.
The commit 1afbcb06fded2a427b761dd1615b1e48e1e853cc in gettext fixed
the second one, in the same way.

Bruno

[1] https://lists.gnu.org/archive/html/bug-gnulib/2016-12/msg00113.html
[2] http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commitdiff;h=480d374e596a0ee3fed168ab42cd84c313ad3c89

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