[Bug 1887126] [NEW] systemd reboot does not issue a wall message

[Swati Gupta]

Public bug reported:

I am not seeing the wall message when issuing systemctl reboot.
According to the documentation, "systemctl reboot" is supposed to send a
wall message (There is even a --no-wall option to suppress the broadcast
message!). But the message is not coming at all.

Present behaviour:
root at abc:~# systemctl reboot
Connection to abc closed by remote host.
Connection to abc closed.

Expected behaviour:
root at abc:~# systemctl reboot
Broadcast message from root at abc
 (/dev/pts/4) at 12:44 ...

The system is going down for reboot NOW!
root at abc:~# Connection to abc closed by remote host.
Connection to abc closed.

Version Details:
root at abc:~# cat /etc/os-release
NAME="Ubuntu"
VERSION="18.04.4 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.4 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

root at abc:~# systemd --version
systemd 237
+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid

** Affects: debian-installer (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  I am not seeing the wall message when issuing systemctl reboot.
  According to the documentation, "systemctl reboot" is supposed to send a
  wall message (There is even a --no-wall option to suppress the broadcast
  message!). But the message is not coming at all.
  
  Present behaviour:
  root at abc:~# systemctl reboot
  Connection to abc closed by remote host.
  Connection to abc closed.
  
  Expected behaviour:
- root at jdm:~# systemctl reboot
+ root at abc:~# systemctl reboot
  Broadcast message from root at abc
- 	(/dev/pts/4) at 12:44 ...
+  (/dev/pts/4) at 12:44 ...
  
  The system is going down for reboot NOW!
  root at abc:~# Connection to abc closed by remote host.
  Connection to abc closed.
  
  Version Details:
  root at abc:~# cat /etc/os-release
  NAME="Ubuntu"
  VERSION="18.04.4 LTS (Bionic Beaver)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu 18.04.4 LTS"
  VERSION_ID="18.04"
  HOME_URL="https://www.ubuntu.com/"
  SUPPORT_URL="https://help.ubuntu.com/"
  BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
  PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
  VERSION_CODENAME=bionic
  UBUNTU_CODENAME=bionic
  
  root at abc:~# systemd --version
  systemd 237
  +PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid

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https://bugs.launchpad.net/bugs/1887126

Title:
  systemd reboot does not issue a wall message

Status in debian-installer package in Ubuntu:
  New

Bug description:
  I am not seeing the wall message when issuing systemctl reboot.
  According to the documentation, "systemctl reboot" is supposed to send
  a wall message (There is even a --no-wall option to suppress the
  broadcast message!). But the message is not coming at all.

  Present behaviour:
  root at abc:~# systemctl reboot
  Connection to abc closed by remote host.
  Connection to abc closed.

  Expected behaviour:
  root at abc:~# systemctl reboot
  Broadcast message from root at abc
   (/dev/pts/4) at 12:44 ...

  The system is going down for reboot NOW!
  root at abc:~# Connection to abc closed by remote host.
  Connection to abc closed.

  Version Details:
  root at abc:~# cat /etc/os-release
  NAME="Ubuntu"
  VERSION="18.04.4 LTS (Bionic Beaver)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu 18.04.4 LTS"
  VERSION_ID="18.04"
  HOME_URL="https://www.ubuntu.com/"
  SUPPORT_URL="https://help.ubuntu.com/"
  BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
  PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
  VERSION_CODENAME=bionic
  UBUNTU_CODENAME=bionic

  root at abc:~# systemd --version
  systemd 237
  +PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid

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