[Bug 1968845] Re: Upgrade to 22.04 from 20.04 ends with dbus installation asking for a reboot

[Brian Murray]

I tested an upgrade from Impish to Jammy today in a virtual machine and
from what I could tell (I didn't watch the whole process) the upgrade
did not stop when dbus was installed although the message posted in the
screenshots was display. Looking at my /var/log/dist-upgrade/main.log we
can see that the total upgrade took only 16 minutes so it's unlikely
that 10 of that was spent waiting.

2022-04-28 10:17:16,728 DEBUG quirks: running StartUpgrade
2022-04-28 10:17:16,728 DEBUG running Quirks.StartUpgrade
2022-04-28 10:17:16,728 DEBUG skipping 'README' (no '.')
2022-04-28 10:17:16,728 DEBUG killing update-notifier
2022-04-28 10:17:16,735 DEBUG killing kblueplugd kbluetooth4
2022-04-28 10:17:16,744 INFO cache.commit()
2022-04-28 10:31:57,413 DEBUG cache.commit() returned None
2022-04-28 10:31:57,542 DEBUG openCache()
2022-04-28 10:31:59,650 DEBUG Comparing 5.13.0-19 with
2022-04-28 10:31:59,650 DEBUG Comparing 5.13.0-30 with 5.13.0-19
2022-04-28 10:31:59,650 DEBUG Comparing 5.13.0-40 with 5.13.0-30
2022-04-28 10:31:59,650 DEBUG Comparing 5.15.0-27 with 5.13.0-40
2022-04-28 10:31:59,751 DEBUG /openCache(), new cache size 71806
2022-04-28 10:31:59,751 DEBUG quirks: running jammyPostUpgrade
2022-04-28 10:31:59,751 DEBUG running Quirks.jammyPostUpgrade

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https://bugs.launchpad.net/bugs/1968845

Title:
  Upgrade to 22.04 from 20.04 ends with dbus installation asking for a
  reboot

Status in dbus package in Ubuntu:
  Confirmed

Bug description:
  Upgrading on a virtual machine from 20.04 to 22.04. I have had this
  happen twice now, I got one upgrade done without this bug.

  Basically the package installation stops at dbus package asking for a
  reboot as it was unable to upgrade as dbus-daemon was running. And
  rebooting at this stage obviously will cause a non-functioning system.

  Added a screenshot of the upgrade window.

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