I installed 19.04 in a VM with full disk encryption, then upgraded libblockdev from buster-proposed-updates (2.20-7+deb10u1), rebooted, and I was able to successfully change the passphrase in gnome-disks.
** Changed in: libblockdev (Ubuntu) Status: New => Fix Released ** Changed in: libblockdev (Ubuntu) Assignee: Olivier Tilloy (osomon) => (unassigned) ** Changed in: libblockdev (Ubuntu Disco) Assignee: (unassigned) => Olivier Tilloy (osomon) ** Changed in: libblockdev (Ubuntu Disco) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to libblockdev in Ubuntu. https://bugs.launchpad.net/bugs/1837437 Title: disk content permanently lost when changing LUKS password To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libblockdev/+bug/1837437/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs