It turns out that just trying to unmount an fs is broken. Apparently resize mounts the fs first for some reason, then when it tries to unmount, it can't.
** Summary changed: - Resize is broken + Unmount is broken ** Description changed: - Try to resize an ext4 partition with the gnome disks utility. It throws - an error saying it can't unmount the filesystem because it isn't - mounted. This is on 18.04. + Try to unmount or resize an ext4 partition with the gnome disks utility. + It throws an error saying it can't unmount the filesystem because it + isn't mounted. This is on 18.04. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-disk-utility in Ubuntu. https://bugs.launchpad.net/bugs/1789922 Title: Unmount is broken Status in gnome-disk-utility package in Ubuntu: New Bug description: Try to unmount or resize an ext4 partition with the gnome disks utility. It throws an error saying it can't unmount the filesystem because it isn't mounted. This is on 18.04. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-disk-utility/+bug/1789922/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

