This sounds like a Known Issue in the ReleaseNotes of Ubuntu 14.04:
https://wiki.ubuntu.com/TrustyTahr/ReleaseNotes#Known_issues
When using installer to upgrade or reinstall an existing installation with encrypted swap, the installer may fail to reuse the partition. A warning will be shown, however the installation can be completed. The installed system will not have swap activated and users are advised to recreate swap on their systems. Please see advice about adding and activating swap at: https://help.ubuntu.com/community/SwapFaq (Bug #1066342)
This sounds like a Known Issue in the ReleaseNotes of Ubuntu 14.04:
https:/ /wiki.ubuntu. com/TrustyTahr/ ReleaseNotes# Known_issues /help.ubuntu. com/community/ SwapFaq (Bug #1066342)
When using installer to upgrade or reinstall an existing installation with encrypted swap, the installer may fail to reuse the partition. A warning will be shown, however the installation can be completed. The installed system will not have swap activated and users are advised to recreate swap on their systems. Please see advice about adding and activating swap at: https:/