From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#24108: guix make tests failure
Date: Sat, 30 Jul 2016 23:31:54 +0200
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To: Dylan Jeffers <sapientech@openmailbox.org>
Cc: 24108@debbugs.gnu.org

Dylan Jeffers <sapientech@openmailbox.org> skribis:

> On Sat, 30 Jul 2016 15:07:25 +0200
> ludo@gnu.org (Ludovic Court=C3=A8s) wrote:

[...]

>> > test-name: clone
>> > location: /home/sapientech/Dev/guix/guix_wip/tests/syscalls.scm:109
>> > source:
>> > + (test-assert
>> > +   "clone"
>> > +   (match (clone (logior CLONE_NEWUSER SIGCHLD))
>> > +          (0 (primitive-exit 42))
>> > +          (pid (and (not (equal?
>> > +                           (readlink (user-namespace pid))
>> > +                           (readlink (user-namespace (getpid)))))
>> > +                    (match (waitpid pid)
>> > +                           ((_ . status) (=3D 42 (status:exit-val
>> > status)))))))) actual-value: #f
>> > actual-error:
>> > + (system-error
>> > +   "clone"
>> > +   "~d: ~A"
>> > +   (268435473 "Operation not permitted")
>> > +   (1))
>> > result: FAIL=20=20
>>=20
>> What does =E2=80=9Cuname -srv=E2=80=9D report on this machine?  It seems=
 this kernel
>> does not support namespaces.
>>=20
>> Thanks,
>> Ludo=E2=80=99.
>
> Hi Ludo,
>
> Thanks for getting back so quick.
> Output of uname -srv: Linux 4.6.4-gnu-201607192040-1-grsec #1 SMP
> PREEMPT Wed Jul 20 15:37:34 UYT 2016

These tests are skipped when user namespaces are not supported, as per
this condition:

  (define perform-container-tests?
    (and (user-namespace-supported?)
         (unprivileged-user-namespace-supported?)))

=E2=80=A6 which is true iff (1) /proc/self/ns/user exists, and (2)
/proc/sys/kernel/unprivileged_userns_clone does not exist, or it exists
and contains =E2=80=9C1=E2=80=9D.

Do these files exist on this system?

Maybe we should just ignore EPERM from (clone CLONE_NEWUSER) but it=E2=80=
=99s
annoying to annotate every single test that uses it.

>From a user viewpoint, this test failure simply mean that you cannot use
the =E2=80=98--container=E2=80=99 option =E2=80=98guix environment=E2=80=99=
 on your system.

Thanks,
Ludo=E2=80=99.