[bug#49933] [PATCH core-updates-frozen] gnu: util-linux: Disable unreliable ioctl_ns test

[Maxime Devos <maximedevos@telenet.be>]

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Hi,

> Thanks! I can confirm this behavior also happens on my machine, running
> Guix on a foreign distro (Ubuntu, with kernel 5.11.0-25-generic). I ran
> into the problem while trying to build ‘bootstrap-tarballs’, and with
> your patch it works.
> 
> Just one suggestion: what about only deleting the problematic test if
> ‘%current-system’ is "i686-linux"?

Maybe it's required on other arches as well (32-bit arches that have a
64-bit counterpart maybe?), but that seems reasonable (more arches
can be added later).  A revised patch is attached.

Greetings,
Maxime.

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From ba4be4629773633ea873db824ff0743a5d0dda8a Mon Sep 17 00:00:00 2001
From: Maxime Devos <maximedevos@telenet.be>
Date: Sat, 7 Aug 2021 23:41:10 +0200
Subject: [PATCH core-updates-frozen v2] gnu: util-linux: Disable unreliable
 ioctl_ns test on IA-32.

* gnu/packages/linux.scm
  (util-linux)[arguments]<#:phases>{delete-lsns-test}: New phase.
---
 gnu/packages/linux.scm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index a5fd8ddaee..5690b81bf1 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -53,6 +53,7 @@
 ;;; Copyright © 2020 pukkamustard <pukkamustard@posteo.net>
 ;;; Copyright © 2021 B. Wilson <elaexuotee@wilsonb.com>
 ;;; Copyright © 2021 Ivan Gankevich <i.gankevich@spbu.ru>
+;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1804,6 +1805,16 @@ providing the system administrator with some help in common tasks.")
                          (string-append
                           all "\n"
                           "ts_skip \"setarch tests are unreliable under QEMU\"")))))
+                  ,@(if (target-x86-32?)
+                        `((add-before 'check 'disable-lsns-test
+                            (lambda _
+                              ;; The lsns tests can fail due to ioctl(_, NS_GET_USERNS)
+                              ;; returning ENOTTY, indicating this kernel does not
+                              ;; support user namespaces.  Curiously, this test can fail
+                              ;; on i686 even if the same test passes on x86_64 on the
+                              ;; same machine.  See <https://issues.guix.gnu.org/49933>.
+                              (delete-file "tests/ts/lsns/ioctl_ns"))))
+                        '())
                   (add-after 'install 'move-static-libraries
                     (lambda* (#:key outputs #:allow-other-keys)
                       (let ((lib    (assoc-ref outputs "lib"))

base-commit: 944ba4237f4c0ccab1bc62a23a31f577ce1878e5
-- 
2.32.0


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