[Bug 1787668] Re: ubuntu-release-upgrader crashed with KeyError: "The cache has no package named 'ubuntu-desktop'"

[brianredbeard]

Similar to Frederik, I had to much with sources.list, adding a reference
to Zesty.

In my case it was a Pine64 running:

Linux string.rvu.io 3.10.105-bsp-1.2-ayufan-99 #1 SMP PREEMPT Fri Aug 4
08:36:39 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux


Upgrading from:

$ cat /etc/os-release 
NAME="Ubuntu"
VERSION="17.10 (Artful Aardvark)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 17.10"
VERSION_ID="17.10"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=artful
UBUNTU_CODENAME=artful


Ultimately the following sources.list is what worked:

$ cat /etc/apt/sources.list
## EOL upgrade sources.list
# Required
deb http://old-releases.ubuntu.com/ubuntu/ zesty main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ artful main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ artful-updates main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ artful-security main restricted universe multiverse

# Optional
#deb http://old-releases.ubuntu.com/ubuntu/ artful-backports main restricted universe multiverse

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https://bugs.launchpad.net/bugs/1787668

Title:
  ubuntu-release-upgrader crashed with KeyError: "The cache has no
  package named 'ubuntu-desktop'"

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

Bug description:
  The Ubuntu Error Tracker has been receiving reports about a problem regarding ubuntu-release-upgrader.  This problem was most recently seen with package version 1:18.04.24, the problem page at https://errors.ubuntu.com/problem/4d58e1d3013ef3d30087896474bb1a7328354e59 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

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