GNU bug report logs -
#49933
[PATCH core-updates-frozen] gnu: util-linux: Disable unreliable ioctl_ns test
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Reported by: Maxime Devos <maximedevos <at> telenet.be>
Date: Sat, 7 Aug 2021 21:56:01 UTC
Severity: normal
Tags: patch
Done: Mathieu Othacehe <othacehe <at> gnu.org>
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(Sat, 07 Aug 2021 21:56:01 GMT)
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(Sat, 07 Aug 2021 21:56:01 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
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In <https://issues.guix.gnu.org/XXXXX>, XXXXX will need
to be replaced with the debbugs id.
[0001-gnu-util-linux-Disable-unreliable-ioctl_ns-test.patch (text/x-patch, inline)]
From dae891f54d4ace4ab467d547f1c91cf003f47051 Mon Sep 17 00:00:00 2001
From: Maxime Devos <maximedevos <at> telenet.be>
Date: Sat, 7 Aug 2021 23:41:10 +0200
Subject: [PATCH core-updates-frozen] gnu: util-linux: Disable unreliable
ioctl_ns test.
To: guix-patches <at> gnu.org
* gnu/packages/linux.scm
(util-linux)[arguments]<#:phases>{delete-lsns-test}: New phase.
---
gnu/packages/linux.scm | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index a5fd8ddaee..c964602e63 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -1804,6 +1804,14 @@ providing the system administrator with some help in common tasks.")
(string-append
all "\n"
"ts_skip \"setarch tests are unreliable under QEMU\"")))))
+ (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/XXXXX>.
+ (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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(Sun, 08 Aug 2021 06:29:02 GMT)
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Message #8 received at 49933 <at> debbugs.gnu.org (full text, mbox):
Hello Maxime,
Em sábado, 7 de agosto de 2021, às 18:54:50 -03, Maxime Devos escreveu:
> diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
> index a5fd8ddaee..c964602e63 100644
> --- a/gnu/packages/linux.scm
> +++ b/gnu/packages/linux.scm
> @@ -1804,6 +1804,14 @@ providing the system administrator with some help in common tasks.")
> (string-append
> all "\n"
> "ts_skip \"setarch tests are unreliable under QEMU\"")))))
> + (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/XXXXX>.
> + (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"))
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"?
--
Thanks,
Thiago
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(Sun, 08 Aug 2021 09:07:01 GMT)
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Message #11 received at 49933 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
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.
[0001-gnu-util-linux-Disable-unreliable-ioctl_ns-test-on-I.patch (text/x-patch, inline)]
From ba4be4629773633ea873db824ff0743a5d0dda8a Mon Sep 17 00:00:00 2001
From: Maxime Devos <maximedevos <at> 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 <at> posteo.net>
;;; Copyright © 2021 B. Wilson <elaexuotee <at> wilsonb.com>
;;; Copyright © 2021 Ivan Gankevich <i.gankevich <at> spbu.ru>
+;;; Copyright © 2021 Maxime Devos <maximedevos <at> 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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(Sun, 08 Aug 2021 10:57:02 GMT)
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Message #14 received at 49933 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Maxime Devos schreef op zo 08-08-2021 om 11:06 [+0200]:
> + ;; 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>;.
This happend with a 5.10.47 kernel. According to ioctl_ns(2), NS_GET_USERNS
is available since Linux 4.9. I wonder if this happens on i686 kernels as well,
and if some extra things needs to be enabled in the kernel configuration.
Greetings,
Maxime.
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(Mon, 09 Aug 2021 16:11:02 GMT)
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Message #17 received at 49933 <at> debbugs.gnu.org (full text, mbox):
Hello Maxime,
Thank you for sending a v2. It looks good to me.
Em domingo, 8 de agosto de 2021, às 07:56:23 -03, Maxime Devos escreveu:
> Maxime Devos schreef op zo 08-08-2021 om 11:06 [+0200]:
> > + ;; 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>;.
> This happend with a 5.10.47 kernel. According to ioctl_ns(2),
> NS_GET_USERNS is available since Linux 4.9. I wonder if this happens on
> i686 kernels as well, and if some extra things needs to be enabled in
> the kernel configuration.
Out of curiosity, I created an i686 KVM guest running Guix System, and the
test passes there, on the core-updates-frozen branch. So it seems to be an
issue with the x86_64 kernel running 32-bit binaries.
I also noticed that the ioctl_ns test is new in util-linux. It was added in
version 2.37.
--
Thanks,
Thiago
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(Sun, 15 Aug 2021 10:17:02 GMT)
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Maxime Devos <maximedevos <at> telenet.be>
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bug acknowledged by developer.
(Sun, 15 Aug 2021 10:17:02 GMT)
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Message #22 received at 49933-done <at> debbugs.gnu.org (full text, mbox):
Hey,
> * gnu/packages/linux.scm
> (util-linux)[arguments]<#:phases>{delete-lsns-test}: New phase.
Pushed, thanks!
Mathieu
bug archived.
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(Sun, 12 Sep 2021 11:24:04 GMT)
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bug unarchived.
Request was from
Brendan Tildesley <mail <at> brendan.scot>
to
control <at> debbugs.gnu.org
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(Tue, 09 Nov 2021 09:07:01 GMT)
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(Tue, 09 Nov 2021 09:09:01 GMT)
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Message #29 received at 49933 <at> debbugs.gnu.org (full text, mbox):
I just got this test failure on x86_64 (AMD 5800X):
lsns: ownership and hierarchy ... FAILED (lsns/ioctl_ns)
Maybe the test needs to be disabled completely. It only happened once thoughout of ~10 --check's. Has the issue been reported upstream?
Also, the tests used all 16 threads despite it running make test -c 8, but it guess thats unrelated.
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(Fri, 12 Nov 2021 00:30:02 GMT)
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Message #32 received at 49933 <at> debbugs.gnu.org (full text, mbox):
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Hello Brendan,
Em terça-feira, 9 de novembro de 2021, às 06:07:52 -03, Brendan Tildesley escreveu:
> I just got this test failure on x86_64 (AMD 5800X):
>
> lsns: ownership and hierarchy ... FAILED
> (lsns/ioctl_ns)
>
> Maybe the test needs to be disabled completely.
It was, on the core-updates-frozen branch. When it is merged to master, then you won’t
run the test anymore even on x86_64-linux.
> It only happened once thoughout of ~10 --check's. Has the issue been
> reported upstream?
I wasn’t aware that the test failed intermitently. That’s unfortunate. From a quick search
online, I’m not seeing any report of this problem.
One thing which I did find was this recent change to the ioctl_ns test:
https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?
id=597ccb7bf564f65bb059bfe420224cab0fba46ac[1]
Apparently it doesn’t work when run inside a namespace.
> Also, the tests used all 16 threads despite it running make test -c 8,
> but it guess thats unrelated.
I agree, that would be a separate issue.
--
Thanks,
Thiago
--------
[1] https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?
id=597ccb7bf564f65bb059bfe420224cab0fba46ac
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bug archived.
Request was from
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(Fri, 10 Dec 2021 12:24:07 GMT)
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