Comment 147 for bug 509180

Ubuntu 10.04 x64 with all updates
Linux dell-inspiron-1501 2.6.32-36-generic #79~pre201110180903-Ubuntu SMP Tue Oct 18 10:11:27 UTC 2011 x86_64 GNU/Linux
(kernel from ppa:kernel-ppa/pre-proposed)

mount
=======================================================
/dev/sda1 on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
none on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
none on /dev type devtmpfs (rw,mode=0755)
none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
none on /dev/shm type tmpfs (rw,nosuid,nodev)
none on /var/run type tmpfs (rw,nosuid,mode=0755)
none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
none on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
/dev/sda5 on /home type xfs (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
gvfs-fuse-daemon on /home/set/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=set)
/home/set/.Private on /home/set type ecryptfs (ecryptfs_check_dev_ruid,ecryptfs_sig=34e21478f0216127,ecryptfs_fnek_sig=681325906c7014cb,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs)
=======================================================

dmesg | tail
=======================================================
[80152.510213] Valid eCryptfs headers not found in file header region or xattr region
[80152.510218] 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
[80383.179948] Valid eCryptfs headers not found in file header region or xattr region
[80383.179955] 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
[80682.782143] Valid eCryptfs headers not found in file header region or xattr region
[80682.782149] 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
[80982.794356] Valid eCryptfs headers not found in file header region or xattr region
[80982.794364] 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
=======================================================

maybe it must be usefull:

$ find $HOME/.Private/ -size 0c -exec ls '{}' \; | wc -l
=======================================================
find: `/home/set/.Private/ECRYPTFS_FNEK_ENCRYPTED.FWZc2mKEP5-ImkR7bJeHmOTHeUks.Mn0L6Ar9hQNfSzwO5pSLN6-VjOv----': Отказано в доступе
192
=======================================================