[Bug 2126934] Re: Upgrade to 25.10 fails on kdump-tools

[Graham Inggs]

** Also affects: ubuntu-release-upgrader (Ubuntu Resolute)
   Importance: High
       Status: New

** Also affects: kdump-tools (Ubuntu Resolute)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2126934

Title:
  Upgrade to 25.10 fails on kdump-tools

Status in kdump-tools package in Ubuntu:
  New
Status in ubuntu-release-upgrader package in Ubuntu:
  New
Status in kdump-tools source package in Resolute:
  New
Status in ubuntu-release-upgrader source package in Resolute:
  New

Bug description:
  arch s390x
  Upgrade from 25.04 to 25.10 fails. Before upgrade I did 
  sudo apt update
  sudo apt upgrade -y
  sudo apt dist-upgrade -y
  sudo reboot

  which has been my standard procedure for years while testing upgrades.

  Actual log excerpt is

  Running hooks in /etc/ca-certificates/update.d...
  done.
  Processing triggers for initramfs-tools (0.150ubuntu3) ...
  update-initramfs: Generating /boot/initrd.img-6.17.0-5-generic
  Using config file '/etc/zipl.conf'
  Building bootmap in '/boot'
  Adding IPL section 'ubuntu' (default)
  Preparing boot device for CCW-IPL: dasda (0101).
  Done.
  Errors were encountered while processing:
   kdump-tools
  needrestart is being skipped since dpkg has failed
  packages have been installed but needrestart is suspended
  Exception during pm.DoInstall():  E:Sub-process /usr/bin/dpkg returned an error code (1)

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  Problem report file: /var/crash/kdump-tools.0.crash

  Could not install the upgrades

  The upgrade has aborted. Your system could be in an unusable state. A 
  recovery will run now (dpkg --configure -a). 

  Setting up kdump-tools (1:1.10.7ubuntu2) ...
  Using config file '/etc/zipl.conf'
  Building bootmap in '/boot'
  Adding IPL section 'ubuntu' (default)
  Preparing boot device for CCW-IPL: dasda (0101).
  Done.
  kdump-tools-dump.service is a disabled or a static unit not running, not starting it.
  Processing triggers for initramfs-tools (0.150ubuntu3) ...
  update-initramfs: Generating /boot/initrd.img-6.17.0-5-generic
  Using config file '/etc/zipl.conf'
  Building bootmap in '/boot'
  Adding IPL section 'ubuntu' (default)
  Preparing boot device for CCW-IPL: dasda (0101).
  Done.

  Upgrade complete

  The upgrade has completed but there were errors during the upgrade 
  process.

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