[ 3612.860813] ecryptfs_readpage: Error decrypting page; rc = [-4]
[ 3612.860818] ecryptfs_decrypt_page: Error attempting to read lower page; rc = [-4]
[ 3612.860821] ecryptfs_readpage: Error decrypting page; rc = [-4]
[ 3613.036296] ecryptfs_read_and_validate_header_region: Error reading header region; rc = [-4]
[ 3613.036362] Valid eCryptfs headers not found in file header region or xattr region
[ 3613.036366] Either the lower file is not in a valid eCryptfs format, or the key could not be retrieved. Plaintext passthrough mode is not enabled; returning -EIO
This problem seems to be linked to <https:/ /bugs.launchpad .net/ecryptfs/ +bug/509180>.
It is still present in lucid's 2.6.32-25-generic.
The new dmesg output is
[ 3612.860813] ecryptfs_readpage: Error decrypting page; rc = [-4] decrypt_ page: Error attempting to read lower page; rc = [-4] read_and_ validate_ header_ region: Error reading header region; rc = [-4]
[ 3612.860818] ecryptfs_
[ 3612.860821] ecryptfs_readpage: Error decrypting page; rc = [-4]
[ 3613.036296] ecryptfs_
[ 3613.036362] Valid eCryptfs headers not found in file header region or xattr region
[ 3613.036366] Either the lower file is not in a valid eCryptfs format, or the key could not be retrieved. Plaintext passthrough mode is not enabled; returning -EIO