GNU bug report logs - #77132
Shepherd 1.0.3 build failure on powerpc-linux

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Message #35 received at 77132 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Simon Josefsson <simon <at> josefsson.org>
Cc: 77132 <at> debbugs.gnu.org
Subject: Re: Shepherd: flaky self tests
Date: Fri, 11 Jul 2025 11:51:35 +0200

Simon Josefsson <simon <at> josefsson.org> writes:

> Ludovic Courtès <ludo <at> gnu.org> writes:
>
>> Also, I wonder if the problem could be a race condition, which would be
>> fixed like this:
>>
>> diff --git a/tests/services/log-rotation.sh b/tests/services/log-rotation.sh
>> index 375f563..178bb49 100644
>> --- a/tests/services/log-rotation.sh
>> +++ b/tests/services/log-rotation.sh
>> @@ -182,6 +182,6 @@ $herd trigger log-rotation
>>  until test -f "$service_log3.2.gz"; do sleep 0.2; done
>>  $herd status three
>>  $herd stop three
>> -test $(file_descriptor_count) -le $initial_fd_count
>> +until test $(file_descriptor_count) -le $initial_fd_count; do sleep 0.3; done
>>  
>>  $herd stop log-rotation
>>
>>
>> Could you also give that a try?
>
> That just infloops and times out after 3 minutes...

So it’s not a timing issue…  The 3 extra file descriptors we see are
pipes, which may have been created by Fibers, but finding out why/where
they were created is going to be tedious; we’ll need at least an strace
of the ‘shepherd’ process to get some clues.

Thanks for testing this!

Ludo’.

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