I was able to reproduce this in a vm created by uvtool (uvt-kvm create test release=focal arch=amd64). The vm had plymouth installed immediately after creating it, then doing dist-upgrade installed plymouth 0.9.4git20200109-0ubuntu3.2 and hung at update-initramfs.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1865959 Title: plymouth hook hangs waiting for input To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1865959/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs