Hello,
Since commit a57ed987ffd1452ba5a4d70feb54893e99b8e076 ("linux-container:
Lock mounts by default."), the container resulting from `guix system
container` fails to start.
```console
$ guix time-machine --commit=a57ed987ffd1452ba5a4d70feb54893e99b8e076 --
system container db.scm
...
/gnu/store/63af016iyah8k94vv2k42c7hn9a545dp-run-container
$ sudo /gnu/store/63af016iyah8k94vv2k42c7hn9a545dp-run-container
guile: warning: failed to install locale
Backtrace:
7 (primitive-load "/gnu/store/63af016iyah8k94vv2k42c7hn9a?")
In gnu/build/linux-container.scm:
368:8 6 (call-with-temporary-directory #<procedure 7fcf0add9af0?>)
476:16 5 (_ "/tmp/guix-directory.tNBEMR")
62:6 4 (call-with-clean-exit #<procedure 7fcf0b542b80 at gnu/b?>)
323:22 3 (_)
215:2 2 (initialize-user-namespace 1 65536 #:host-uid _ # _ # _ ?)
In ice-9/ports.scm:
435:6 1 (call-with-output-file _ _ #:binary _ #:encoding _)
In unknown file:
0 (close-port #<output: /proc/1/uid_map 6>)
ERROR: In procedure close-port:
In procedure fport_write: Operation not permitted
system container is running as PID #f
Run 'sudo guix container exec #f /run/current-system/profile/bin/bash
--login'
or run 'sudo nsenter -a -t #f' to get a shell into it.
Backtrace:
3 (primitive-load "/gnu/store/63af016iyah8k94vv2k42c7hn9a?")
In gnu/build/linux-container.scm:
368:8 2 (call-with-temporary-directory #<procedure 7fcf0add9af0?>)
485:7 1 (_ "/tmp/guix-directory.tNBEMR")
In unknown file:
0 (waitpid #f #<undefined>)
ERROR: In procedure waitpid:
Wrong type (expecting exact integer): #f
```
Using the following `db.scm` from
<https://guix.gnu.org/cookbook/en/html_node/A-Database-Container.html>
example with no changes:
```scm
(use-modules (gnu))
(use-package-modules databases)
(use-service-modules databases)
(operating-system
(host-name "container")
(timezone "Europe/Berlin")
(file-systems (cons (file-system
(device (file-system-label "does-not-matter"))
(mount-point "/")
(type "ext4"))
%base-file-systems))
(bootloader (bootloader-configuration
(bootloader grub-bootloader)
(targets '("/dev/sdX"))))
(services
(cons* (service postgresql-service-type
(postgresql-configuration
(postgresql postgresql-14)
(config-file
(postgresql-config-file
(log-destination "stderr")
(hba-file
(plain-file "pg_hba.conf"
"\
local all all trust
host all all 10.0.0.1/32 trust"))
(extra-config
'(("listen_addresses" "*")
("log_directory" "/var/log/postgresql")))))))
(service postgresql-role-service-type
(postgresql-role-configuration
(roles
(list (postgresql-role
(name "test")
(create-database? #t))))))
%base-services)))
```
Thanks,
Owen
