I'm using Ubuntu server 9.04
My home directory mounded Read only filesystem
$ ls
Access-Your-Private-Data.desktop README.txt
$ cat README.txt
THIS DIRECTORY HAS BEEN UNMOUNTED TO PROTECT YOUR DATA.
From the graphical desktop, click on:
"Access Your Private Data"
or
From the command line, run:
$ ecryptfs-mount-private
How to recover?
I tried it
$ ecryptfs-mount-private
Enter your login passphrase:
Warning: Using default salt value (undefined in ~/.ecryptfsrc)
Error: Unwrapping passphrase and inserting into the user session keyring failed [1]
Info: Check the system log for more information from libecryptfs
ERROR: Your passphrase is incorrect