[Bug 2127832] [NEW] Ubuntu 25.10 apt update is failing on arm64 ThinkPad x13s

[Ram Gopalaswamy]

Public bug reported:

Even though I'm able to manually ping archive.ubuntu.com on the
terminal,  "sudo apt update: fails to fetch Failed to fetch
http://archive.ubuntu.com/ubuntu/dists/questing/main/binary-
arm64/Packages .

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: ubuntu-release-upgrader-core 1:25.10.8
ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
Uname: Linux 6.17.0-5-generic aarch64
ApportVersion: 2.33.1-0ubuntu3
Architecture: arm64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CrashReports:
 644:0:109:0:2025-10-14 00:32:18.784999997 -0700:2025-10-13 02:13:52.350999998 -0700:/var/crash/kdump_lock
 644:0:109:319:2025-10-14 00:32:19.289999997 -0700:2025-09-29 17:54:19.668999998 -0700:/var/crash/kexec_cmd
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 14 01:07:09 2025
InstallationDate: Installed on 2025-09-29 (14 days ago)
InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Daily arm64 (20250528)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug arm64 dist-upgrade questing wayland-session

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https://bugs.launchpad.net/bugs/2127832

Title:
  Ubuntu 25.10 apt update is failing on arm64 ThinkPad x13s

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Even though I'm able to manually ping archive.ubuntu.com on the
  terminal,  "sudo apt update: fails to fetch Failed to fetch
  http://archive.ubuntu.com/ubuntu/dists/questing/main/binary-
  arm64/Packages .

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: ubuntu-release-upgrader-core 1:25.10.8
  ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
  Uname: Linux 6.17.0-5-generic aarch64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: arm64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports:
   644:0:109:0:2025-10-14 00:32:18.784999997 -0700:2025-10-13 02:13:52.350999998 -0700:/var/crash/kdump_lock
   644:0:109:319:2025-10-14 00:32:19.289999997 -0700:2025-09-29 17:54:19.668999998 -0700:/var/crash/kexec_cmd
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Oct 14 01:07:09 2025
  InstallationDate: Installed on 2025-09-29 (14 days ago)
  InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Daily arm64 (20250528)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubuntu-release-upgrader
  Symptom: dist-upgrade
  UpgradeStatus: No upgrade log present (probably fresh install)

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