[Bug 2087838] Re: errors while processing sa-compile during upgrade from Ubuntu 18.04.6 to Ubuntu 20.04

[Ngate Cloud]

** Attachment added: "/var/log/dist-upgrade/apt.log"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2087838/+attachment/5836367/+files/apt.log

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/2087838

Title:
  errors while processing sa-compile during upgrade from Ubuntu 18.04.6
  to Ubuntu 20.04

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

Bug description:
  1. I'm trying to upgrade Ubuntu from 18.04.6 to Ubuntu 20.04.6. on an Alibaba cloud instance:
  do-release upgrade

  2. The version of the package is unknown:
  apt-cache policy pkgname returns:
  N: Unable to locate package pkgname

  3. I expected the upgrade to complete without errors.

  4. But errors occured when processing sa-compile.
  The upgrade still completed but with errors.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2087838/+subscriptions