GNU bug report logs - #28610
tcsh 6.20.00 testsuite: 68 failed

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

From: Drashne <drashne <at> protonmail.com>
To: "bug-guix <at> gnu.org" <bug-guix <at> gnu.org>
Subject: tcsh 6.20.00 testsuite: 68 failed
Date: Tue, 26 Sep 2017 10:18:28 -0400

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

After installing guix-binary-0.13.0.x86_64-linux.tar.xz (on Gentoo amd64 kernel 4.12.12-gentoo) and running "guix package -i glibc-locales", installation of tcsh-6.20.00 failed because of a failed test:  "68: nice FAILED (commands.at:896)"

A log of the compile is attached to this email.

[Message part 2 (text/html, inline)]

[guix-package-i-glibc-locales--fail-on-tcsh--2017-09-26.txt (text/plain, attachment)]

Message #8 received at 28610 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Drashne <drashne <at> protonmail.com>
Cc: 28610 <at> debbugs.gnu.org
Subject: Re: bug#28610: tcsh 6.20.00 testsuite: 68 failed
Date: Thu, 28 Sep 2017 16:17:39 +0200

Hello,

Drashne <drashne <at> protonmail.com> skribis:

> After installing guix-binary-0.13.0.x86_64-linux.tar.xz (on Gentoo amd64 kernel 4.12.12-gentoo) and running "guix package -i glibc-locales", installation of tcsh-6.20.00 failed because of a failed test:  "68: nice FAILED (commands.at:896)"
>
> A log of the compile is attached to this email.
> %  guix package -i glibc-locales --no-substitutes

You could run this command with an additional “--keep-failed” flag, and
then, retrieve and post the ‘testsuite.log’ file from
/tmp/guix-build-tcsh-6.20.00.drv-0?

That should allow us to see more precisely why this test is failing.

Thanks for your report,
Ludo’.

Message #11 received at 28610 <at> debbugs.gnu.org (full text, mbox):

From: Drashne <drashne <at> protonmail.com>
To: "ludo <at> gnu.org" <ludo <at> gnu.org>
Cc: "28610 <at> debbugs.gnu.org" <28610 <at> debbugs.gnu.org>
Subject: Re: bug#28610: tcsh 6.20.00 testsuite: 68 failed
Date: Thu, 28 Sep 2017 22:27:18 -0400

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

Hello Ludo',

Thank you for looking in to this.

The 'testsuite.log' file you requested is attached.

I noticed that in the "Detailed failed tests" section, it has:

  68. commands.at:893: testing nice ...
  ./commands.at:896: tcsh -f -c 'nice set var=1; echo $?var'
  --- /dev/null 2017-09-22 17:50:11.102758003 +0000
  +++ /tmp/guix-build-tcsh-6.20.00.drv-0/tcsh-6.20.00/testsuite.dir/at-groups/68/stderr 2017-09-29 01:59:18.591958887 +0000
  @@ -0,0 +1 @@
  +setpriority: Permission denied.
  68. commands.at:893: 68. nice (commands.at:893): FAILED (commands.at:896)

So at first glance the failure appears to be caused by "setpriority: Permission denied"

I'm not sure why there'd be a permissions problem.  I have the guix-daemon running as root, with the following arguments:

  /root/.guix-profile/bin/guix-daemon --build-users-group=guixbuild --no-substitutes

I thought maybe it's the guixbuilder user that's having permissions problems, so I tried running the failing test myself as the guixbuilder01 user:

  > sudo -u guixbuilder01 /gnu/store/nrrwyb21bn8cdc0k6pis3ggs2vayibin-bash-4.4.12/bin/bash
  bash-4.4$ cd /var/tmp/guix/guix-build-tcsh-6.20.00.drv-0/tcsh-6.20.00
  bash-4.4$ . ../environment-variables
  bash-4.4$ ./tcsh -f -c 'nice set var=1; echo $?var'
  0

So the test appears to work when I run it manually, but fails when it's run as part of the build process under guix-daemon.

Also, please note that /var/tmp/guix is my guix build directory, which I've set for guix-daemon via the TMPDIR environment variable.  I have a zram filesystem mounted on /var/tmp/guix as ext4, but I've tried the same "guix package -i glibc-locales" without the zramfs, on my root xfs filesystem and it didn't make any difference.

> -------- Original Message --------
> Subject: Re: bug#28610: tcsh 6.20.00 testsuite: 68 failed
> Local Time: September 28, 2017 7:17 AM
> UTC Time: September 28, 2017 2:17 PM
> From: ludo <at> gnu.org
> To: Drashne <drashne <at> protonmail.com>
> 28610 <at> debbugs.gnu.org
>
> Hello,
>
> Drashne <drashne <at> protonmail.com> skribis:
>
>> After installing guix-binary-0.13.0.x86_64-linux.tar.xz (on Gentoo amd64 kernel 4.12.12-gentoo) and running "guix package -i glibc-locales", installation of tcsh-6.20.00 failed because of a failed test: "68: nice FAILED (commands.at:896)"
>>
>> A log of the compile is attached to this email.
>> % guix package -i glibc-locales --no-substitutes
>
> You could run this command with an additional “--keep-failed” flag, and
> then, retrieve and post the ‘testsuite.log’ file from
> /tmp/guix-build-tcsh-6.20.00.drv-0?
>
> That should allow us to see more precisely why this test is failing.
>
> Thanks for your report,
> Ludo’.

[Message part 2 (text/html, inline)]

[testsuite.log (text/x-log, attachment)]

Message #14 received at 28610 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Drashne <drashne <at> protonmail.com>
Cc: "28610 <at> debbugs.gnu.org" <28610 <at> debbugs.gnu.org>
Subject: Re: bug#28610: tcsh 6.20.00 testsuite: 68 failed
Date: Fri, 29 Sep 2017 09:55:16 +0200

Hello,

Drashne <drashne <at> protonmail.com> skribis:

> Thank you for looking in to this.
>
> The 'testsuite.log' file you requested is attached.
>
> I noticed that in the "Detailed failed tests" section, it has:
>
>   68. commands.at:893: testing nice ...
>   ./commands.at:896: tcsh -f -c 'nice set var=1; echo $?var'
>   --- /dev/null 2017-09-22 17:50:11.102758003 +0000
>   +++ /tmp/guix-build-tcsh-6.20.00.drv-0/tcsh-6.20.00/testsuite.dir/at-groups/68/stderr 2017-09-29 01:59:18.591958887 +0000
>   @@ -0,0 +1 @@
>   +setpriority: Permission denied.
>   68. commands.at:893: 68. nice (commands.at:893): FAILED (commands.at:896)
>
> So at first glance the failure appears to be caused by "setpriority: Permission denied"

Per setpriority(2), the only was this can happen is if we’re trying to
set a nice value lower than the current one:

   EACCES The  caller attempted to set a lower nice value (i.e., a higher process priority), but did not have
          the required privilege (on Linux: did not have the CAP_SYS_NICE capability).

Could it be that you’re running the daemon with “nice guix-daemon …” or
something like that?

Thanks,
Ludo’.

Message #17 received at 28610 <at> debbugs.gnu.org (full text, mbox):

From: Drashne <drashne <at> protonmail.com>
To: "ludo <at> gnu.org" <ludo <at> gnu.org>
Cc: "28610\\@debbugs.gnu.org" <28610 <at> debbugs.gnu.org>
Subject: Re: bug#28610: tcsh 6.20.00 testsuite: 68 failed
Date: Fri, 29 Sep 2017 13:22:40 -0400

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

> Ludo wrote:
>
> Could it be that you’re running the daemon with “nice guix-daemon …” or
> something like that?

You're right!

I had set up my guix-daemon startup script to start it as "/usr/bin/nice /usr/bin/ionice -c3 /root/.guix-profile/bin/guix-daemon --build-users-group=guixbuild --no-substitutes" but when troubleshooting this I blindly looked right through the "/usr/bin/nice /usr/bin/ionice -c3" part and just focused on the guix-daemon and its arguments.

After noticing this, I tried running guix-daemon without nicing or ionicing it, and rerunning "guix package -i glibc-locales" which now successfully built and tested tcsh, and is currently continuing to build other packages necessary for the installation of glibc-locales.

Thank you so much for your help.

[Message part 2 (text/html, inline)]

Message #20 received at 28610 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Drashne <drashne <at> protonmail.com>
Cc: "28610 <at> debbugs.gnu.org" <28610 <at> debbugs.gnu.org>
Subject: Re: bug#28610: tcsh 6.20.00 testsuite: 68 failed
Date: Sun, 01 Oct 2017 23:58:02 +0200

Hello Drashne,

Drashne <drashne <at> protonmail.com> skribis:

> I had set up my guix-daemon startup script to start it as "/usr/bin/nice /usr/bin/ionice -c3 /root/.guix-profile/bin/guix-daemon --build-users-group=guixbuild --no-substitutes" but when troubleshooting this I blindly looked right through the "/usr/bin/nice /usr/bin/ionice -c3" part and just focused on the guix-daemon and its arguments.
>
> After noticing this, I tried running guix-daemon without nicing or ionicing it, and rerunning "guix package -i glibc-locales" which now successfully built and tested tcsh, and is currently continuing to build other packages necessary for the installation of glibc-locales.

Great, thanks for testing!

It’s one of these rare cases where details about the host system leak
into the build environment, and picky test suites immediately notice.

Ludo’.

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