Dingo(19.04) says LVM2 not needed when installed on an LV

[Stephan Kern]

Distributor ID: Ubuntu
Description: Ubuntu Disco Dingo (development branch)
Release: 19.04
Codename: disco

Long description:
I installed Xubuntu on an VM using LVM. Download updates while installing was unchecked in one try, checked in the next try. Also checked and unchecked Download third party drives. No effect. After reboot, Follow these steps to recreate:

1. close update manager
2. open terminal.
3. sudo apt update && sudo apt upgrade
4. During upgrade it will suggest apt autoremove to get automatically instlled packages that are not neeed.
5. sudo apt autoremove.
6. type y

What happens:
lvm2 and dependencies are removed. While this does not break the install fully, re-installation throws errors. And all restarts from then on, will give system errors, but still work. Updates also work.

I would expect apt not to recommend removing lvm tools while running from an LV.
marking the lvm2 package as manually installed(used apt install lvm2) prevents the message and keeps it out of autoremove.

This did not happen with standard ubuntu. Only Xubuntu

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1815410/+editstatus and add the package name in the text box next to the word Package.

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