[Bug 2142749] Re: Upgrade to ubuntu 26.04

[Juerg Haefliger]

** Package changed: linux (Ubuntu) => ubuntu-release-upgrader (Ubuntu)

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https://bugs.launchpad.net/bugs/2142749

Title:
  Upgrade to ubuntu 26.04

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

Bug description:
  I have tried to pass my workstation 25.10 to 26.04 (beta version) with sudo do-release-upgrade  -d
  The first second after the check version and the first validation i recicived this message : 

  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-m9yhlq1g/resolute", line 8, in <module>
      sys.exit(main())
               ~~~~^^
    File "/tmp/ubuntu-release-upgrader-m9yhlq1g/DistUpgrade/DistUpgradeMain.py", line 222, in main
      from .DistUpgradeController import DistUpgradeController
    File "/tmp/ubuntu-release-upgrader-m9yhlq1g/DistUpgrade/DistUpgradeController.py", line 43, in <module>
      from .utils import (url_downloadable,
      ...<5 lines>...
                          inhibit_sleep)
  ImportError: cannot import name 'inhibit_sleep' from 'DistUpgrade.utils' (/tmp/ubuntu-release-upgrader-m9yhlq1g/DistUpgrade/utils.py)
  Aucun rapport de plantage en attente. Essayer --help pour plus d'informations.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: linux-image-6.17.0-14-generic 6.17.0-14.14
  ProcVersionSignature: Ubuntu 6.17.0-14.14-generic 6.17.9
  Uname: Linux 6.17.0-14-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jeanpaul  44729 F.... wireplumber
   /dev/snd/controlC1:  jeanpaul  44729 F.... wireplumber
   /dev/snd/seq:        jeanpaul  44706 F.... pipewire
  CasperMD5CheckResult: pass
  Date: Thu Feb 26 13:51:38 2026
  InstallationDate: Installed on 2026-01-20 (37 days ago)
  InstallationMedia: Ubuntu 22.04.5 LTS "Jammy Jellyfish" - Release amd64 (20240911)
  IwDevWifi1Link: Not connected.
  MachineType: Dell Inc. Precision WorkStation T5500
  ProcEnviron:
   LANG=fr_FR.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=tmux-256color
  ProcFB: 0 nouveaudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-14-generic root=/dev/mapper/vgubuntu-root ro quiet splash crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M vt.handoff=7
  RelatedPackageVersions:
   firmware-sof   N/A
   linux-firmware 20250901.git993ff19b-0ubuntu1.7
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: yes
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to questing on 2026-02-26 (0 days ago)
  dmi.bios.date: 01/21/2011
  dmi.bios.release: 0.0
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0D883F
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A05
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd01/21/2011:br0.0:svnDellInc.:pnPrecisionWorkStationT5500:pvr:rvnDellInc.:rn0D883F:rvrA05:cvnDellInc.:ct7:cvr:sku:
  dmi.product.name: Precision WorkStation T5500
  dmi.sys.vendor: Dell Inc.

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