From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#37967: guix environment -CN: Operation not permitted mounting
 host's /var/run/nscd
Date: Tue, 29 Oct 2019 23:16:49 +0100
Message-ID: <87v9s7dwoe.fsf@gnu.org>
References: <20191028172741.GJ17570@sax.terramar.selidor.net>
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In-Reply-To: <20191028172741.GJ17570@sax.terramar.selidor.net> (Ivan Vilata
 i. Balaguer's message of "Mon, 28 Oct 2019 13:27:41 -0400")
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To: Ivan Vilata i Balaguer <ivan@selidor.net>
Cc: 37967@debbugs.gnu.org

Bon dia Ivan,

Ivan Vilata i Balaguer <ivan@selidor.net> skribis:

> Hi!  While using Guix commit `c9fc03a3` on Debian unstable, whenever I run
> `guix environment -CN` (either as a normal user or as root) I get an error
> like this:
>
>     guix environment: error: mount: mount "/var/run/nscd" on "/tmp/guix-d=
irectory.6kBgXe//var/run/nscd": Operation not permitted
>
> nscd is installed and working in my host machine.

What does =E2=80=98uname -rs=E2=80=99 return?

What about =E2=80=98ls -ld /var/run/nscd=E2=80=99?

> This command used to work a while ago.  Actually, I pulled the Guix commit
> right before `5ccec771` ("file-systems: Add /var/run/nscd to
> '%network-file-mappings'.") and the command seems to work again (even if =
I do
> not replace the running daemon).
>
> Maybe the later commit introduced some kind of regression?

It definitely has to do with this commit, but I wonder why you=E2=80=99d get
EPERM when bind-mounting /var/run/nscd to a different place!

Gracies,
Ludo=E2=80=99.