[Bug 2008280] Re: regression: update-manager 1:23.04.1 no longer installs any updates (lunar)

[Andreas Hasenack]

I verified the test results and am satisfied that they show the executed
planned test case, and that the results are correct.

The package built correctly in all architectures and Ubuntu releases it
was meant for.

There are no DEP8 regressions.

There is no SRU freeze ongoing at the moment.

There is no halted phasing on the previous update.

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https://bugs.launchpad.net/bugs/2008280

Title:
  regression: update-manager 1:23.04.1 no longer installs any updates
  (lunar)

Status in ubuntu-advantage-tools package in Ubuntu:
  Fix Released
Status in update-manager package in Ubuntu:
  Invalid
Status in ubuntu-advantage-tools source package in Xenial:
  Fix Committed
Status in ubuntu-advantage-tools source package in Bionic:
  Fix Committed
Status in ubuntu-advantage-tools source package in Focal:
  Fix Committed
Status in ubuntu-advantage-tools source package in Jammy:
  Fix Committed
Status in ubuntu-advantage-tools source package in Kinetic:
  Fix Committed

Bug description:
  Hello,

  On a fairly standard installation of lunar (ie no ubuntu pro linked
  etc), the update-manager no longer appears able to install the updates
  which are listed in the ui when clicking install.

  symptoms:
  - launch update-manager 1:23.04.1
  - note that updates are available
  - note that the ui shows 'unknown download size' in the bottom-left (this should be specified)
  - note that the terminal output shows "required_download could not be calculated: E:Can't find a source to download version 'PKGVERSION' of 'PKGNAME:amd64'"
  - click 'install now' button to install the listed updates
  - note that update-manager doesn't actually install the updates (starting the update fails), the ui jumps to the generic 'installing snap updates' and then shows 'your system is up to date'
  - note that if you launch update-manager again all the (same) updates are showing again

  severity:
  - this is a little concerning as the user can no longer install any updates using the update-manager ui - this includes updates for other packages and of course any updated package including a fix for this issue. (sudo apt update/upgrade in the terminal do of course still work)
  - whilst this issue has been around for at least 5 days there don't appear to be any other reports of this issue. It doesn't seem likely to be something specific to my system though.

  investigation:
  - installing the debs of update-manager 1:22.10.6 (the previous version) resolves this issue
  - it would appear that revision 2959 ( https://bazaar.launchpad.net/~ubuntu-core-dev/update-manager/main/revision/2959 ) is the first revision to introduce this issue
  - this seems related to Ubuntu Pro / Advantage

  Thanks for your attention

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