GNU bug report logs - #70070
FAIL: test-localtime_r

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: bug-coreutils <at> gnu.org
Subject: FAIL: test-localtime_r
Date: Fri, 29 Mar 2024 13:40:29 +0100

FAIL: test-localtime_r
======================

test-localtime_r.c:58: assertion 'result->tm_hour == 18' failed
FAIL test-localtime_r (exit status: 134)

FAIL: test-localtime_r-mt
=========================

thread2 disturbed by thread1!
thread1 disturbed by thread2!
FAIL test-localtime_r-mt (exit status: 134)

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

Message #8 received at 70070 <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: Andreas Schwab <schwab <at> linux-m68k.org>, 70070 <at> debbugs.gnu.org,
 bug-gnulib <bug-gnulib <at> gnu.org>
Subject: Re: bug#70070: FAIL: test-localtime_r
Date: Fri, 29 Mar 2024 13:10:58 +0000

On 29/03/2024 12:40, Andreas Schwab wrote:
> FAIL: test-localtime_r
> ======================
> 
> test-localtime_r.c:58: assertion 'result->tm_hour == 18' failed
> FAIL test-localtime_r (exit status: 134)
> 
> FAIL: test-localtime_r-mt
> =========================
> 
> thread2 disturbed by thread1!
> thread1 disturbed by thread2!
> FAIL test-localtime_r-mt (exit status: 134)
> 

CC'ing gnulib as those tests are from gnulib.
It may help to detail your platform.

thanks,
Pádraig.

Message #11 received at 70070 <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>, 70070 <at> debbugs.gnu.org,
 bug-gnulib <bug-gnulib <at> gnu.org>
Cc: Pádraig Brady <P <at> draigbrady.com>
Subject: Re: bug#70070: FAIL: test-localtime_r
Date: Fri, 29 Mar 2024 15:03:22 +0100

Andreas Schwab wrote:
> > FAIL: test-localtime_r
> > ======================
> > 
> > test-localtime_r.c:58: assertion 'result->tm_hour == 18' failed
> > FAIL test-localtime_r (exit status: 134)
> > 
> > FAIL: test-localtime_r-mt
> > =========================
> > 
> > thread2 disturbed by thread1!
> > thread1 disturbed by thread2!
> > FAIL test-localtime_r-mt (exit status: 134)

The second failure is a consequence of the first one. So, there is no MT-safety
problem, "just" that localtime_r produces wrong results.

I've seen this happen on OSes with a time zone database that is older than
5 or 10 years.

Pádraig Brady wrote:
> It may help to detail your platform.

Yes. And make sure that it has a time zone database installed at all.

Bruno

Message #14 received at 70070 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Bruno Haible <bruno <at> clisp.org>
Cc: 70070 <at> debbugs.gnu.org, bug-gnulib <bug-gnulib <at> gnu.org>,
 Pádraig Brady <P <at> draigbrady.com>
Subject: Re: bug#70070: FAIL: test-localtime_r
Date: Fri, 29 Mar 2024 15:15:14 +0100

On Mär 29 2024, Bruno Haible wrote:

> Yes. And make sure that it has a time zone database installed at all.

Why? That doesn't make any sense.

Message #17 received at 70070 <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 70070 <at> debbugs.gnu.org, bug-gnulib <bug-gnulib <at> gnu.org>,
 Pádraig Brady <P <at> draigbrady.com>
Subject: Re: bug#70070: FAIL: test-localtime_r
Date: Fri, 29 Mar 2024 15:19:13 +0100

Andreas Schwab wrote:
> > Yes. And make sure that it has a time zone database installed at all.
> 
> Why? That doesn't make any sense.

You can leave the consideration of which test case makes sense or not
on my side.

What we need from you, as a reporter, is a statement on which
platform (distro and version) you saw the test failure.
If we don't have this, there is no good way for us to reproduce the issue,
and we'll have to close the ticket.

Bruno

Message #20 received at 70070 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Andreas Schwab <schwab <at> linux-m68k.org>, Bruno Haible <bruno <at> clisp.org>
Cc: 70070 <at> debbugs.gnu.org, bug-gnulib <bug-gnulib <at> gnu.org>,
 Pádraig Brady <P <at> draigbrady.com>
Subject: Re: bug#70070: FAIL: test-localtime_r
Date: Sat, 30 Mar 2024 13:31:53 -0600

[Message part 1 (text/plain, inline)]

On 3/29/24 08:15, Andreas Schwab wrote:
> On Mär 29 2024, Bruno Haible wrote:
> 
>> Yes. And make sure that it has a time zone database installed at all.
> 
> Why? That doesn't make any sense.

Although Andreas is not clear, perhaps he is alluding to the fact that 
Gnulib's localtime_r tests assume that TZ='Europe/Paris' stands for 
Paris time. POSIX doesn't guarantee this, so the implication is that the 
tests should be skipped when Europe/Paris does not work.

I installed the attached to do that. I don't know whether this will fix 
Andreas's problem, whatever it is.

[0001-time_r-tests-skip-French-tests-if-no-Europe-Paris.patch (text/x-patch, attachment)]

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