On 01/11/2014 11:40 AM, Ludovic Courtès wrote:
> An i686-linux-gnu build of Coreutils 8.21 with Guix failed like this
> (see <http://hydra.gnu.org/build/34068/nixlog/1/raw>):
> 
> --8<---------------cut here---------------start------------->8---
> FAIL: test-fdutimensat (exit: 134)
> ==================================
> 
> test-lutimens.h:64: assertion failed
> --8<---------------cut here---------------end--------------->8---
> 
> There’ve been reports of flakiness before, in particular:
> 
>   http://lists.gnu.org/archive/html/bug-gnulib/2013-04/msg00076.html
> 
> What would you recommend to solve the issue?

The reason was a race in gnulib's nap.h which has been fixed with:
  http://git.sv.gnu.org/cgit/gnulib.git/commit/?id=439b0e925f

For maintaining in a distribution, I'd recommend
* upgrading to coreutils-8.22, or
* patching nap.h for the tests to succeed, or
* skipping the affected tests.

Have a nice day,
Berny



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