[Bug 1960024] [NEW] Error while upgrading Ubuntu 18.04 LTS to 20.04 LTS

[Marek]

Public bug reported:

Please report this bug in a browser at
http://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+filebug
and attach the files in /var/log/dist-upgrade/ to the bug report.
E:Sub-process /usr/bin/dpkg returned an error code (1)

Errors during processing: initramfs-tools
Exception during pm.DoInstall():  E:Sub-process /usr/bin/dpkg returned an error code (1)
The update could not be installed

update-initramfs: Generating /boot/initrd.img-5.4.0-97-generic
Error 24 : Write error : cannot write compressed block
E: mkinitramfs failure lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.4.0-97-generic with 1.

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

** Attachment added: "Upgrade log"
   https://bugs.launchpad.net/bugs/1960024/+attachment/5559150/+files/dist-upgrade.zip

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https://bugs.launchpad.net/bugs/1960024

Title:
  Error while upgrading Ubuntu 18.04 LTS to 20.04 LTS

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

Bug description:
  Please report this bug in a browser at
  http://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+filebug
  and attach the files in /var/log/dist-upgrade/ to the bug report.
  E:Sub-process /usr/bin/dpkg returned an error code (1)

  Errors during processing: initramfs-tools
  Exception during pm.DoInstall():  E:Sub-process /usr/bin/dpkg returned an error code (1)
  The update could not be installed

  update-initramfs: Generating /boot/initrd.img-5.4.0-97-generic
  Error 24 : Write error : cannot write compressed block
  E: mkinitramfs failure lz4 -9 -l 24
  update-initramfs: failed for /boot/initrd.img-5.4.0-97-generic with 1.

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