The same issue also arrises when you add a new disk to your system and wish to encrypt it. The disks utility offers you the encryption option, but then returns the none obvious error as stated before, instead of telling you that cryptsetup is not installed.
-- 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/1310174 Title: "cryptsetup" should be included and installed by default in ubuntu 14.04 Status in “cryptsetup” package in Ubuntu: Incomplete Status in “gnome-disk-utility” package in Ubuntu: Confirmed Bug description: After upgrade from ubuntu 13.10 to 14.04 lts, I am unable to ulock my luks device. It gives the following error message: Error unlocking /dev/sda6: Error spawning command-line `cryptsetup luksOpen "/dev/sda6" "luks-9082ff43-d991-4bf1-8bb6-ef8452e3e11a" ': Failed to execute child process "cryptsetup" (No such file or directory) (g-exec-error-quark, 8) Then I noticed that the package "cryptsetup" was not installed in my system. "cryptsetup" should be included and installed as default in ubuntu 14.04 lts, as it was in the previous releases. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: cryptsetup (not installed) ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic i686 ApportVersion: 2.14.1-0ubuntu3 Architecture: i386 CurrentDesktop: Unity Date: Sun Apr 20 13:21:55 2014 InstallationDate: Installed on 2014-04-20 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417) SourcePackage: cryptsetup UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1310174/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
