Comment 8 for bug 47972

I am experiencing the same issue. I have purged the package but am still unable to reinstall it.

When I first ran into the problem, I completed my dist-upgrade with a "echo lvm2 hold | dpkg --set-selections"

My workaround for now was to unpack the files, modify the preinst file to exit 0 immediately, and then rebuild the .deb ...