I agree a -b or -e should be used instead of -f. However pkname is a valid column in lsblk. From lsblk --help:
KNAME internal kernel device name PKNAME internal parent kernel device name pkname not working is a regression which was introduced in util- linux-2.34[1]. Upstream has fixed this[2]. [1] https://bugzilla.redhat.com/show_bug.cgi?id=1751290 [2] https://github.com/karelzak/util-linux/commit/e3bb9bfb76c17b1d05814436ced62c05c4011f48 ** Bug watch added: Red Hat Bugzilla #1751290 https://bugzilla.redhat.com/show_bug.cgi?id=1751290 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1862846 Title: Crash and failure installing focal To manage notifications about this bug go to: https://bugs.launchpad.net/subiquity/+bug/1862846/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs