GNU bug report logs - #23582
'call-with-container' fails to mount /dev/mqueue with EBUSY (on Ubuntu)

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Message #14 received at 23582 <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: Konrad Hinsen <konrad.hinsen <at> fastmail.net>
Cc: Ludovic Courtès <ludo <at> gnu.org>, davet <at> gnu.org,
 23582 <at> debbugs.gnu.org
Subject: Re: bug#23582: Test failure on "make check" from a fresh git
 checkout (commit 9684e30b9b597b93ae9c797ba8f3b40eff893ebe)
Date: Fri, 20 May 2016 18:48:10 -0400

On Fri, May 20, 2016 at 08:42:05PM +0200, Konrad Hinsen wrote:
> $ uname -srvo
> Linux 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016 GNU/Linux

I'd guess that Ubuntu, like Debian, by default disables the unprivileged
creation of containers.

What is the value of '/proc/sys/kernel/unprivileged_userns_clone'?

> [dev] $ ./pre-inst-env strace -f -s 234 -o log guix environment --container
> --ad-hoc --bootstrap guile-bootstrap -- guile -c '(exit 42)'
> guix environment: error: failed to connect to
> `/usr/local/var/guix/daemon-socket/socket': No such file or directory

I think this is unrelated.

If you followed the instructions in the manual while installing Guix
[0], then your daemon's socket should be in /var/guix. When building
Guix from the Git checkout, did you set the value of localstatedir like
this when configuring?

$ ./configure --localstatedir=/var

If not, it defaults to '/usr/local'. If that's what happened, can you
reconfigure as shown above, and try Ludo's command again?

[0]
https://www.gnu.org/software/guix/manual/html_node/Binary-Installation.html#Binary-Installation

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