Ubuntu installer doesn't format swap partition when selecting encrypted drive and home

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I tried this again with the Xubuntu 14.04 2014-04-08 daily live iso and am still seeing the same issue. Any additional diagnostics you'd like me to gather that would help track down this issue?

Status changed to 'Confirmed' because the bug affects multiple users.

This is happening to me right now. I'm using Trusty final release.
Installer doesn't enable SWAP partition at all.

The «mkswap» solution provided by the user who filed this bug didn't work for me.
I'm constrained to use an unencrypted SWAP partition.
Is there any other solution for this? (Or should I have to go back to Precise again...)

A solution has been proposed at bug #1310058 in comment #3.

After patching the ecryptfs-setup-swap file as posted there, you first need to setup an unencrypted swap before you can encrypt it again.

For reference, how to create an unencrypted swap:
Please format the partition as linux-swap with GParted.
Then, edit /etc/fstab and uncomment the line about the unencrypted swap; on that line, change the UUID into the current UUID of your unencrypted swap. Mount your swap using "sudo swapon -a". Now, I suppose, you have a working unencrypted swap. You can use swapon -s to verify that your swap is enabled.

When you have an unencrypted swap enabled, you can again convert it into an encrypted one. You will first need to remove the lines about your old (not working) encrypted swap from /etc/crypttab and /etc/fstab.
Then you can convert your unencrypted swap into an encrypted one, using sudo ecryptfs-setup-swap. That will now work fine, because you have patched the file to include "offset=8" in the /etc/crypttab file.
Again, use swapon -s to verify that the swap is enabled; but now it should display /dev/mapper/cryptswap1 as device.

Another workaround, which is probably easier to apply: replace the UUID in /etc/crypttab by a /dev/sdXY name of the partition. Unlike the offset=8 patch of syscon-hh, this does not require re-creating the encrypted swap. This is how it was done on Raring and earlier releases; only since Trusty, UUID's are used here.
(For me this was not a solution: I have a hot-pluggable disk which becomes /dev/sda when it is inserted at boot time, causing my main disk to become /dev/sdb, so I need to use UUID's)

I am marking this bug as a duplicate of #1310058.

I made it work by installing 12.04 and then inmediately upgrading to 14.04
Every other way to get SWAP properly encrypted and stable failed for me.

@starman if you have a working setup, could you show us the following files?

* /etc/fstabtab
* /etc/crypttab