Re: error running container: mingetty cannot find ttys

Re: error running container: mingetty cannot find ttys

[Efraim Flashner]

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On Fri, Jan 25, 2019 at 06:46:48PM +0100, Giovanni Biscuolo wrote:
> Hi guix!
> 
> I'm experimenting with my first "system container": it builds but it
> fails running
> 
> I build the container using this operating system definition:




> 
> --8<---------------cut here---------------start------------->8---
> $ guix system container ../labs/configuration/container-minimal.scm -r container-minimal
> /localhome/g/guix/labs/configuration/container-minimal.scm:41:19: warning: 'dhcp-client-service' is deprecated, use 'dhcp-client-service-type' instead
> guix system: warning: Your Guix installation is 9 days old.
> guix system: warning: Consider running 'guix pull' followed by
> 'guix system reconfigure' to get up-to-date packages and security updates.
> 
> /gnu/store/n3577q00rwzccbc50cqhlwhsnkpd1lrr-run-container
> --8<---------------cut here---------------end--------------->8---
> 
> then I start the container as root
> 
> --8<---------------cut here---------------start------------->8---
> $ sudo -E ./container-minimal 
> [sudo] password for g: 
> making '/gnu/store/5px51fc8nspwkhni8kprpxcjl6mxznd5-system' the current system...
> setting up setuid programs in '/run/setuid-programs'...
> populating /etc from /gnu/store/0a7gn00mqzg5kyrwwd9dyjyvan9vlxsa-etc...
> adding user 'root'...
> adding group 'root'...
> adding group 'wheel'...
> adding group 'users'...
> adding group 'nogroup'...
> adding group 'tty'...
> adding group 'dialout'...
> adding group 'kmem'...
> adding group 'input'...
> adding group 'video'...
> adding group 'audio'...
> adding group 'netdev'...
> adding group 'lp'...
> adding group 'disk'...
> adding group 'floppy'...
> adding group 'cdrom'...
> adding group 'tape'...
> adding group 'kvm'...
> adding group 'guixbuild'...
> adding group 'sshd'...
> usermod: no changes
> adding user 'gbiscuolo'...
> adding user 'nobody'...
> adding user 'guixbuilder01'...
> adding user 'guixbuilder02'...
> adding user 'guixbuilder03'...
> adding user 'guixbuilder04'...
> adding user 'guixbuilder05'...
> adding user 'guixbuilder06'...
> adding user 'guixbuilder07'...
> adding user 'guixbuilder08'...
> adding user 'guixbuilder09'...
> adding user 'guixbuilder10'...
> adding user 'sshd'...
> registering public key '/gnu/store/vv1kkj9aqpv1akk7l7vp2kkd695wgxcr-guix-0.16.0-8.7ba2b27/share/guix/hydra.gnu.org.pub'...
> registering public key '/gnu/store/vv1kkj9aqpv1akk7l7vp2kkd695wgxcr-guix-0.16.0-8.7ba2b27/share/guix/berlin.guixsd.org.pub'...
> `/gnu/store/cyh3fv8fi86nx4pw8gh4r4hdzi5w31cm-openssh-authorized-keys/gbiscuolo' -> `/etc/ssh/authorized_keys.d/gbiscuolo'
> ssh-keygen: generating new host keys: RSA DSA ECDSA ED25519 
> nscd: 178 monitoring file `/etc/hosts` (1)
> nscd: 178 monitoring directory `/etc` (2)
> nscd: 178 monitoring file `/etc/resolv.conf` (3)
> nscd: 178 monitoring directory `/etc` (2)
> nscd: 178 monitoring file `/etc/services` (4)
> nscd: 178 monitoring directory `/etc` (2)
> failed to start service 'console-font-tty1'
> failed to start service 'console-font-tty2'
> failed to start service 'console-font-tty3'
> failed to start service 'console-font-tty4'
> failed to start service 'console-font-tty5'
> failed to start service 'console-font-tty6'
> Jan 25 18:30:37 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[191]: tty5: No such file or directory
> Jan 25 18:30:37 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[190]: tty6: No such file or directory
> Jan 25 18:30:37 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[193]: tty3: No such file or directory
> Jan 25 18:30:37 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[194]: tty2: No such file or directory
> Jan 25 18:30:37 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[195]: tty1: No such file or directory
> Jan 25 18:30:37 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[192]: tty4: No such file or directory
> Jan 25 18:30:43 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[200]: tty6: No such file or directory
> Jan 25 18:30:43 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[202]: tty4: No such file or directory
> Jan 25 18:30:43 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[201]: tty5: No such file or directory
> Jan 25 18:30:43 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[204]: tty2: No such file or directory
> Jan 25 18:30:43 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[205]: tty1: No such file or directory
> Jan 25 18:30:43 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[203]: tty3: No such file or directory
> Jan 25 18:30:48 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[206]: tty6: No such file or directory
> Jan 25 18:30:48 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[207]: tty4: No such file or directory
> Jan 25 18:30:48 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[208]: tty5: No such file or directory
> Jan 25 18:30:48 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[210]: tty2: No such file or directory
> Jan 25 18:30:48 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[211]: tty1: No such file or directory
> Jan 25 18:30:48 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[212]: tty3: No such file or directory
> Jan 25 18:30:53 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[213]: tty6: No such file or directory
> Jan 25 18:30:53 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[214]: tty5: No such file or directory
> Jan 25 18:30:53 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[216]: tty2: No such file or directory
> Jan 25 18:30:53 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[217]: tty1: No such file or directory
> Jan 25 18:30:53 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[218]: tty3: No such file or directory
> Jan 25 18:30:53 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[219]: tty4: No such file or directory
> Jan 25 18:30:58 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[220]: tty6: No such file or directory
> Jan 25 18:30:58 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[221]: tty5: No such file or directory
> Jan 25 18:30:58 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[222]: tty1: No such file or directory
> Jan 25 18:30:58 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[223]: tty2: No such file or directory
> Jan 25 18:30:58 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[224]: tty3: No such file or directory
> Jan 25 18:30:58 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[225]: tty4: No such file or directory
> Jan 25 18:31:03 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[226]: tty6: No such file or directory
> Jan 25 18:31:03 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[227]: tty5: No such file or directory
> Jan 25 18:31:03 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[230]: tty2: No such file or directory
> Jan 25 18:31:03 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[231]: tty3: No such file or directory
> Jan 25 18:31:03 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[232]: tty4: No such file or directory
> Jan 25 18:31:08 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[234]: tty5: No such file or directory
> Jan 25 18:31:08 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[235]: tty2: No such file or directory
> Jan 25 18:31:08 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[236]: tty3: No such file or directory
> --8<---------------cut here---------------end--------------->8---
> 
> it loops indefinitely, I have to ^C it to stop it
> 
> any hint please?
> 
> Thanks!
> Giovanni
> 
I tested the config (after removing the references to your ssh key) on
commit fc9c47bd7cdfd6265681e6b2c48fdb7889672bcc and I got the same
issue. Forwarding on to bug-guix


-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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bug#34211: error running container: mingetty cannot find ttys

[Giovanni Biscuolo]

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Hi!

plase is there someone else that could reproduce this issue with "guix
system container": https://issues.guix.info/issue/34211 ?

I'm still not able to run a container built using "guix system container
container-minimal.scm -r container-minimal"

I'm on guix commit: 4aeb7f34c948f32363f2ae29c6942c6328df758c

this is the simple container.scm I'm using:

--8<---------------cut here---------------start------------->8---
;; This is an operating system configuration template
;; to test containers via guix system (also on foregin distros)
;; see https://www.gnu.org/software/guix/manual/en/html_node/Invoking-guix-system.html

(use-modules (gnu))
(use-service-modules networking ssh)
(use-package-modules screen ssh emacs)

(operating-system
  (host-name "test-container")
  (timezone "Europe/Rome")
  (locale "en_US.utf8")

  ;; Boot in "legacy" BIOS mode
  (bootloader (bootloader-configuration
                (bootloader grub-bootloader)
                (target "/dev/sda")))

  (file-systems (cons (file-system
                        (device (file-system-label "guixsd"))
                        (mount-point "/")
                        (type "ext4"))
                      %base-file-systems))
  
  ;; This is where user accounts are specified.  The "root"
  ;; account is implicit, and is initially created with the
  ;; empty password.
  (users (cons (user-account
                (name "gbiscuolo")
                (comment "Giovanni Biscuolo (admin)")
                (group "users")
                (supplementary-groups '("wheel" "audio" "video"))
                (home-directory "/home/gbiscuolo"))
               %base-user-accounts))
  
  ;; Globally-installed packages.
  (packages (cons* screen openssh emacs %base-packages))

  ;; Add services to the baseline: a DHCP client and
  ;; an SSH server.
  (services (cons* (service dhcp-client-service-type)
		   (service openssh-service-type
                            (openssh-configuration
			     (x11-forwarding? #t)
                             (permit-root-login 'without-password)
                             
                             (port-number 22)))
                   %base-services)))
--8<---------------cut here---------------end--------------->8---

and this are the messages I got on running the container:

--8<---------------cut here---------------start------------->8---
registering public key '/gnu/store/4v6cxail1ajinjqsgfblan132fbw06m4-guix-0.16.0-9.4bddd12/share/guix/hydra.gnu.org.pub'...
registering public key '/gnu/store/4v6cxail1ajinjqsgfblan132fbw06m4-guix-0.16.0-9.4bddd12/share/guix/berlin.guixsd.org.pub'...
ssh-keygen: generating new host keys: RSA DSA ECDSA ED25519 
nscd: 166 monitoring file `/etc/hosts` (1)
nscd: 166 monitoring directory `/etc` (2)
nscd: 166 monitoring file `/etc/resolv.conf` (3)
nscd: 166 monitoring directory `/etc` (2)
nscd: 166 monitoring file `/etc/services` (4)
nscd: 166 monitoring directory `/etc` (2)
failed to start service 'console-font-tty1'
failed to start service 'console-font-tty2'
failed to start service 'console-font-tty3'
failed to start service 'console-font-tty4'
failed to start service 'console-font-tty5'
failed to start service 'console-font-tty6'
Feb  6 12:45:18 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[181]: tty3: No such file or directory
Feb  6 12:45:18 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[180]: tty4: No such file or directory
Feb  6 12:45:18 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[178]: tty6: No such file or directory
Feb  6 12:45:18 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[179]: tty5: No such file or directory
Feb  6 12:45:18 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[183]: tty1: No such file or directory
Feb  6 12:45:18 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[182]: tty2: No such file or directory
Feb  6 12:45:24 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[190]: tty4: No such file or directory
Feb  6 12:45:24 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[188]: tty6: No such file or directory
Feb  6 12:45:24 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[189]: tty5: No such file or directory
Feb  6 12:45:24 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[191]: tty3: No such file or directory
Feb  6 12:45:24 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[193]: tty1: No such file or directory
Feb  6 12:45:24 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[192]: tty2: No such file or directory
Feb  6 12:45:29 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[195]: tty6: No such file or directory
Feb  6 12:45:29 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[194]: tty4: No such file or directory
Feb  6 12:45:29 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[197]: tty5: No such file or directory
Feb  6 12:45:29 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[198]: tty3: No such file or directory
Feb  6 12:45:29 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[199]: tty1: No such file or directory
Feb  6 12:45:29 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[200]: tty2: No such file or directory
Feb  6 12:45:34 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[201]: tty6: No such file or directory
Feb  6 12:45:34 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[203]: tty5: No such file or directory
Feb  6 12:45:34 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[202]: tty4: No such file or directory
Feb  6 12:45:34 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[204]: tty3: No such file or directory
Feb  6 12:45:34 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[205]: tty1: No such file or directory
Feb  6 12:45:34 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[206]: tty2: No such file or directory
Feb  6 12:45:39 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[209]: tty4: No such file or directory
Feb  6 12:45:39 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[208]: tty6: No such file or directory
Feb  6 12:45:39 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[210]: tty5: No such file or directory
Feb  6 12:45:39 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[211]: tty3: No such file or directory
Feb  6 12:45:39 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[213]: tty2: No such file or directory
Feb  6 12:45:39 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[212]: tty1: No such file or directory
Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[214]: tty4: No such file or directory
Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[217]: tty5: No such file or directory
Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[216]: tty6: No such file or directory
Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[218]: tty3: No such file or directory
Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[219]: tty2: No such file or directory
Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[220]: tty1: No such file or directory
--8<---------------cut here---------------end--------------->8---

I have to TERM the the container since the "ttN: No such file or
directory" message loops indefinitely

Efraim Flashner was able to reproduce the issue: is my container
configuration broken

Efraim Flashner <efraim@flashner.co.il> writes:

[...]

> I tested the config (after removing the references to your ssh key) on
> commit fc9c47bd7cdfd6265681e6b2c48fdb7889672bcc and I got the same
> issue. Forwarding on to bug-guix

please any hint on how to solve this issue?

Thanks!
Giovanni

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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bug#34211: error running container: mingetty cannot find ttys

[Ludovic Courtès]

Hi Giovanni,

Giovanni Biscuolo <g@xelera.eu> skribis:

> plase is there someone else that could reproduce this issue with "guix
> system container": https://issues.guix.info/issue/34211 ?

[...]

> Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[217]: tty5: No such file or directory
> Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[216]: tty6: No such file or directory
> Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[218]: tty3: No such file or directory
> Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[219]: tty2: No such file or directory
> Feb  6 12:45:44 localhost /gnu/store/mbq93mr1vbs6za0n0yn32gfsyq1wx6xf-mingetty-1.08/sbin/mingetty[220]: tty1: No such file or directory
>
> I have to TERM the the container since the "ttN: No such file or
> directory" message loops indefinitely

I also get this behavior.

What happens is that the /dev/ttyN nodes do not exist (understandably),
and thus the ‘console-font-ttyN’ Shepherd services fail to start, and
get restarted, indefinitely.

The container is working as expected though.  If you find the PID of the
container’s ‘shepherd’ process (its PID 1, which obviously has a
different PID outside the container), then you can do:

  guix container exec NNN /bin/sh

where NNN is that PID of that ‘shepherd’ process (I use ‘pstree’ to find
the PID… not very convenient.)

In that shell, you can do:

--8<---------------cut here---------------start------------->8---
sh-4.4#  . /etc/profile         
sh-4.4# ls
bin  dev  etc  gnu  home  proc  root  run  sys  tmp  var
sh-4.4# herd status
Started:
 + containerized-shepherd
 + file-systems
 + guix-daemon
 + host-name
 + loopback
 + nscd
 + root
 + root-file-system
 + ssh-daemon
 + syslogd
 + term-tty1
 + term-tty2
 + term-tty3
 + term-tty4
 + term-tty5
 + term-tty6
 + udev
 + urandom-seed
 + user-file-systems
 + user-processes
 + virtual-terminal
Stopped:
 - console-font-tty1
 - console-font-tty2
 - console-font-tty3
 - console-font-tty4
 - console-font-tty5
 - console-font-tty6
 - networking
 - term-auto
 - user-homes
--8<---------------cut here---------------end--------------->8---

So in that sense everything is working “as expected.”

Now, it would make more sense to simply remove those ‘console-font-ttyN’
services in a container and everything that depends on them.  Not sure
if we should do that automatically.

Thoughts?

Thanks,
Ludo’.

bug#34211: error running container: mingetty cannot find ttys

[Giovanni Biscuolo]

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Hi Ludo'

thank you for looking into this issue!

Ludovic Courtès <ludo@gnu.org> writes:

[...]

> I also get this behavior.

OK, so this is deterministic now :-)

> What happens is that the /dev/ttyN nodes do not exist (understandably),
> and thus the ‘console-font-ttyN’ Shepherd services fail to start, and
> get restarted, indefinitely.

actually they do fail but they are not respawned, the services that get
respawned are term-tty[1..6]

> The container is working as expected though.  If you find the PID of the
> container’s ‘shepherd’ process (its PID 1, which obviously has a
> different PID outside the container), then you can do:
>
>   guix container exec NNN /bin/sh

I have to use "sudo" to be able to start and "guix container exec" a
shell in it (I mean: sudo guix container exec...)

I used that command in another terminal so I could see the console
messages from the container

> where NNN is that PID of that ‘shepherd’ process (I use ‘pstree’ to find
> the PID… not very convenient.)

oh yes! I did not realized that my container was there waiting for me
:-)
...I also did not realized thet the container is started as a foreground
process, so we nees to background

I used pstree too, we need a better way to interact with a container (by
name and not by PID); sorry but I still cannot help here, my Guile
proficency is still too low; anyway this is tangent to this bug

> In that shell, you can do:

[...]

> So in that sense everything is working “as expected.”

yes, I see: I stopped term-tty[1..6] and the failure messages disappeared

> Now, it would make more sense to simply remove those ‘console-font-ttyN’
> services in a container and everything that depends on them.

as pointed above the faining services are term-tty[1..6],
console-font-tty[1..6] fails but do not get respawned do they are not
the real issue

> Not sure if we should do that automatically.

I'll try to remove term-tty[1..6] manually from services declaration, if
I manage to "manually" solve this I'll report here

> Thoughts?

since mingetty does not make sense in a container I'd remove
term-tty[1..6] (and console-font-tty[1..6]) automatically and by default
when we create a container via "guix system container..."

Thanks!
Giovanni

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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bug#34211: error running container: mingetty cannot find ttys

[Giovanni Biscuolo]

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Hello,

Giovanni Biscuolo <g@xelera.eu> writes:

[...]

> I'll try to remove term-tty[1..6] manually from services declaration, if
> I manage to "manually" solve this I'll report here

I tried but failed, I'm removing both mingetty and console-font from
%base-services list:

--8<---------------cut here---------------start------------->8---
  (services (cons* (service dhcp-client-service-type)
		   (service openssh-service-type
                            (openssh-configuration
			     (x11-forwarding? #t)
                             (permit-root-login 'without-password)
                             (authorized-keys
                              `(("gbiscuolo" ,(local-file "ssh-authorized-keys/gbiscuolo.pub"))))
                             (port-number 22)))
		   (remove (lambda (service)
			     (eq? (service-kind service) mingetty-service-type)
			     (eq? (service-kind service) console-font-service-type))
			   %base-services))))
--8<---------------cut here---------------end--------------->8---

but term-tty[1..6] and console-font-tty[1..6] processes still get
installed and started by herd

please any hint on how to "manually" remove those two failing services?

Thanks!
Giovanni

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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bug#34211: error running container: mingetty cannot find ttys

[Arun Isaac]

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> please any hint on how to "manually" remove those two failing services?

You should do something along the lines of the following:

(remove (lambda (service)
          (let ((type (service-type-name (service-kind service))))
            (or (eq? type 'mingetty)
                (eq? type 'console-fonts))))
        %base-services)

Notice the function call to service-type-name.

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bug#34211: error running container: mingetty cannot find ttys

[Giovanni Biscuolo]

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Hi Arun,

Arun Isaac <arunisaac@systemreboot.net> writes:

>> please any hint on how to "manually" remove those two failing services?
>
> You should do something along the lines of the following:
>
> (remove (lambda (service)
>           (let ((type (service-type-name (service-kind service))))
>             (or (eq? type 'mingetty)
>                 (eq? type 'console-fonts))))
>         %base-services)

[...]

thank you for your suggestion but this does not work

in everyone is willing to reproduce this bug [1] this is the container
config:


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(use-modules (gnu))
(use-modules (rnrs lists))

(operating-system
  (host-name "test-container")
  (timezone "Europe/Rome")
  (locale "en_US.utf8")

  ;; Boot in "legacy" BIOS mode
  (bootloader (bootloader-configuration
                (bootloader grub-bootloader)
                (target "/dev/sda")))

  (file-systems (cons (file-system
                        (device (file-system-label "guixsd"))
                        (mount-point "/")
                        (type "ext4"))
                      %base-file-systems))
  
  ;; This is where user accounts are specified.  The "root"
  ;; account is implicit, and is initially created with the
  ;; empty password.
  (users (cons (user-account
                (name "test")
                (comment "Test User")
                (group "users")
                (supplementary-groups '("wheel" "audio" "video"))
                (home-directory "/home/test"))
               %base-user-accounts))
  
  ;; Globally-installed packages.
  (packages (cons* %base-packages))

  ;; remove mingetty and console-fonts from container
  (services (cons* (remove (lambda (service)
			     (let ((type (service-type-name (service-kind service))))
			       (or (eq? type 'mingetty)
				   (eq? type 'console-fonts))))
			   %base-services))))

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it's _very_ lightweight so it'll not waste your store space, to test it
just do

--8<---------------cut here---------------start------------->8---
$ rm container-minimal
$ guix system container container-minimal.scm -r container-minimal
$ sudo ./container-minimal
--8<---------------cut here---------------end--------------->8---

in all my tests mingetty gets started and respawned, I can enter the
container and manually stop term-tty[1..6] services

Thanks!
Giovanni

[1] may it depend on my user environment? I'm on a foreign distro
(Debian 9.7)

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

bug#34211: error running container: mingetty cannot find ttys

[Arun Isaac]

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>> You should do something along the lines of the following:
>>
>> (remove (lambda (service)
>>           (let ((type (service-type-name (service-kind service))))
>>             (or (eq? type 'mingetty)
>>                 (eq? type 'console-fonts))))
>>         %base-services)
>
> thank you for your suggestion but this does not work

You need to use remove from (srfi srfi-1), not from (rnrs lists).

In your container-minimal.scm, replace

(use-modules (rnrs lists))

with

(use-modules (srfi srfi-1))

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bug#34211: error running container: mingetty cannot find ttys

[Giovanni Biscuolo]

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Arun Isaac <arunisaac@systemreboot.net> writes:

>>> You should do something along the lines of the following:
>>>
>>> (remove (lambda (service)
>>>           (let ((type (service-type-name (service-kind service))))
>>>             (or (eq? type 'mingetty)
>>>                 (eq? type 'console-fonts))))
>>>         %base-services)
>>
>> thank you for your suggestion but this does not work
>
> You need to use remove from (srfi srfi-1), not from (rnrs lists).
>
> In your container-minimal.scm, replace
>
> (use-modules (rnrs lists))
>
> with
>
> (use-modules (srfi srfi-1))

it works! thank you for your patience Arun :-)

so it's possible to "manually" remove the unneeded mingetty and
console-fonts services from containers

how could it be automated?
should it be automated? (IMHO yes)

Thanks!
Giovanni

-- 
Giovanni Biscuolo

Xelera IT Infrastructures

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bug#34211: error running container: mingetty cannot find ttys

[Arun Isaac]

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> so it's possible to "manually" remove the unneeded mingetty and
> console-fonts services from containers
>
> how could it be automated?  should it be automated? (IMHO yes)

I too believe it should be automated. But, I'll leave the others on this
thread to come to a decision.

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bug#34211: error running container: mingetty cannot find ttys

[Ludovic Courtès]

Hi,

Arun Isaac <arunisaac@systemreboot.net> skribis:

>> so it's possible to "manually" remove the unneeded mingetty and
>> console-fonts services from containers
>>
>> how could it be automated?  should it be automated? (IMHO yes)
>
> I too believe it should be automated. But, I'll leave the others on this
> thread to come to a decision.

Done in b94c80ff5d844f7763738ab5359fee72f11f9367, thanks!

Ludo'.