GNU bug report logs - #18838
zsh test suite failures, possibly due to 'noatime' mount flag

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#18838: closed (zsh test suite failures, possibly due to
 'noatime' mount flag)
Date: Sat, 26 Jun 2021 01:57:01 +0000

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

Your message dated Fri, 25 Jun 2021 21:56:12 -0400
with message-id <878s2xxubn.fsf_-_ <at> gmail.com>
and subject line Re: bug#18838: zsh test suite failures, possibly due to 'noatime' mount flag
has caused the debbugs.gnu.org bug report #18838,
regarding zsh test suite failures, possibly due to 'noatime' mount flag
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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18838: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18838
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Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Mark H Weaver <mhw <at> netris.org>
To: bug-guix <at> gnu.org
Subject: zsh test suite failures, possibly due to 'noatime' mount flag
Date: Sat, 25 Oct 2014 21:22:26 -0400

Twice recently, once on x86_64 and once on i686, zsh has failed its test
suite while being built by hydra.  Here's the output in both cases:

--8<---------------cut here---------------start------------->8---
Test ./C02cond.ztst failed: bad status 1, expected 0 from:
  print -u $ZTST_fd 'This test takes two seconds...'
  sleep 2
  cat unmodified
  touch newnewnew
  if [[ $OSTYPE == "cygwin" ]]; then
    print -u$ZTST_fd "Warning: not testing [[ -N file ]] (not supported on Cygwin)"
    true
  elif [[ "$(find . -prune -fstype nfs 2>/dev/null)" == "." ]]; then
    print -u$ZTST_fd "Warning: not testing [[ -N file ]] (not supported with NFS)"
    true
  elif test -f /etc/mtab && { grep $(df . 2>/dev/null| tail -n1 | awk '{print $1}') /etc/mtab | grep -q noatime; }; then
    print -u$ZTST_fd "Warning: not testing [[ -N file ]] (not supported with noatime file system)"
    true
  else
    [[ -N newnewnew && ! -N unmodified ]]
  fi
Was testing: -N cond
./C02cond.ztst: test failed.
The following may (or may not) help identifying the cause:
  This test can fail on NFS-mounted filesystems as the access and
  modification times are not updated separately.  The test will fail
  on HFS+ (Apple Mac OS X default) filesystems because access times
  are not recorded.  Also, Linux ext3 filesystems may be mounted
  with the noatime option which does not update access times.
  Failures in these cases do not indicate a problem in the shell.
--8<---------------cut here---------------end--------------->8---

I restarted the x86_64 build and it succeeded on the second try.
Now it has failed on i686:

  http://hydra.gnu.org/build/128208

My first guess is that one of our build machines has the 'noatime' mount
option set on its /tmp.

Is there a way to tell from the URL above which build machine was used?

      Mark

[Message part 3 (message/rfc822, inline)]

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Vincent Legoll <vincent.legoll <at> gmail.com>,
 "Mark H. Weaver" <mhw <at> netris.org>
Cc: 18838-done <at> debbugs.gnu.org
Subject: Re: bug#18838: zsh test suite failures, possibly due to 'noatime'
 mount flag
Date: Fri, 25 Jun 2021 21:56:12 -0400

Hello,

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:

> Hello,
>
> Vincent Legoll <vincent.legoll <at> gmail.com> writes:
>
>> Is this still happening?
>>
>> I searched a bit on ci.guix.gnu.org...
>>
>> We have a failure on 5.8 armhf (already present on 5.7.1 version)
>> but it looks like it is a different set of tests that is failing...
>
> I can't find failures in the raw logs of the last CI failures for
> zsh-5.8, but testing on master with:
>
> ./pre-inst-env guix build --check --system=armhf-linux zsh
>
> I got 2 test failures:
>
> Test ./A01grammar.ztst failed: bad status 1, expected 0 from:
>   - $ZTST_testdir/../Src/zsh -fc "[[ \$0 = \"-$ZTST_testdir/../Src/zsh\" ]]"
> Was testing: `-' precommand modifier
> ./A01grammar.ztst: test failed.
> ./A02alias.ztst: starting.
> This test hangs the shell when it fails...
> ./A02alias.ztst: all tests successful.
> ./A03quoting.ztst: starting.
> ./A03quoting.ztst: all tests successful.
> ./A04redirect.ztst: starting.
> ./A04redirect.ztst: all tests successful.
> ./A05execution.ztst: starting.
> Unable to change MONITOR option
> This test takes 5 seconds to fail...
> Skipping pipe leak test, requires MONITOR option
> This test takes 3 seconds and hangs the shell when it fails...
> ./A05execution.ztst: all tests successful.
> ./A06assign.ztst: starting.
> ./A06assign.ztst: all tests successful.
> ./A07control.ztst: starting.
> ./A07control.ztst: all tests successful.
> ./B01cd.ztst: starting.
> Test ./B01cd.ztst failed: bad status 0, expected 1 from:
>  (unset HOME; ARGV0=sh $ZTST_testdir/../Src/zsh -c cd)
> Was testing: Implicit cd with unset HOME.

That was with QEMU user emulation.  Using overdrive1 (real ARM
hardware), I don't get any failure after multiple builds done via:

GUIX_DAEMON_SOCKET=ssh://overdrive1 guix build zsh \
  --system=aarch64-linux --no-grafts --check --rounds=5

It may be that the problem really has to do with the noatime flag, but
that's a bit too narrow for me to test.  If you can reproduce it again
on 5.8 and determine if noatime is at cause, that would be very helpful.

Closing for now, but feel free to reopen!

Maxim

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