[Bug 2125793] [NEW] ESM-apps message should not be included in MOTD on architectures without esm-apps support

[Alex Lowe]

Public bug reported:

Currently on Noble on a RISC-V machine with pro enabled, I get the
following in my MOTD:

Expanded Security Maintenance for Applications is not enabled.

0 updates can be applied immediately.

Enable ESM Apps to receive additional future security updates.
See https://ubuntu.com/esm or run: sudo pro status

But we don't have ESM apps for riscv64, so this message is misleading as
there is no way to enable esm-apps. There should be a more substantial
check regarding this.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: update-notifier (not installed)
ProcVersionSignature: User Name 6.14.0-29.29.1~24.04.1-generic 6.14.8
Uname: Linux 6.14.0-29-generic riscv64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: riscv64
CasperMD5CheckResult: unknown
CloudArchitecture: riscv64
CloudBuildName: server
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSerial: 20250705
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud-net)
Date: Fri Sep 26 17:35:51 2025
SourcePackage: update-notifier
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: update-notifier (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug cloud-image noble riscv64

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https://bugs.launchpad.net/bugs/2125793

Title:
  ESM-apps message should not be included in MOTD on architectures
  without esm-apps support

Status in update-notifier package in Ubuntu:
  New

Bug description:
  Currently on Noble on a RISC-V machine with pro enabled, I get the
  following in my MOTD:

  Expanded Security Maintenance for Applications is not enabled.

  0 updates can be applied immediately.

  Enable ESM Apps to receive additional future security updates.
  See https://ubuntu.com/esm or run: sudo pro status

  But we don't have ESM apps for riscv64, so this message is misleading
  as there is no way to enable esm-apps. There should be a more
  substantial check regarding this.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: update-notifier (not installed)
  ProcVersionSignature: User Name 6.14.0-29.29.1~24.04.1-generic 6.14.8
  Uname: Linux 6.14.0-29-generic riscv64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: riscv64
  CasperMD5CheckResult: unknown
  CloudArchitecture: riscv64
  CloudBuildName: server
  CloudID: nocloud
  CloudName: unknown
  CloudPlatform: nocloud
  CloudSerial: 20250705
  CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud-net)
  Date: Fri Sep 26 17:35:51 2025
  SourcePackage: update-notifier
  UpgradeStatus: No upgrade log present (probably fresh install)

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