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["Thomas O." <thomas@xxxxxxxxxxx>]

I'm getting more strange errors like this, but it seems to have improved
on my system. I think the bug might be triggered by low disk space since
when this bug occurred I had less than 200 MB of space available.

[  104.399013] Valid eCryptfs headers not found in file header region or xattr region
[  104.399019] 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
[  104.399138] Valid eCryptfs headers not found in file header region or xattr region
[  104.399141] 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
[  109.572511] wlan0: no IPv6 routers present
[  119.714109] iwlagn 0000:04:00.0: iwl_tx_agg_start on ra = 00:24:2c:78:ff:4d tid = 0
[  241.450544] Valid eCryptfs headers not found in file header region or xattr region
[  241.450551] 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
[  257.999752] Valid eCryptfs headers not found in file header region or xattr region
[  257.999757] 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

I am getting more of these errors than any others.

-- 
severe ecryptfs corruption
https://bugs.launchpad.net/bugs/521523
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Status in “ecryptfs-utils” package in Ubuntu: New

Bug description:
I am experiencing filesystem corruption with ecryptfs on my /home partition, which is separate from /.

I am attempting to back up important stuff, but struggling to do so (it is incredibly slow and 100% cpu usage on both cores)

In general, the following errors are occurring:
 - Random disk IO errors (mostly during writing)
 - Very slow access times for files on the file system. In most cases, files seem intact, which is good...
 - 100% cpu on one or both cores from various programs: rsyslogd, dd are the most common offenders.
 - Programs such as firefox and chrome, when quitting, do not exit, but persist, and IO on the CPU is continuous from this point onwards (there is no way to stop this IO usage but reboot)
 - dmesg shows hundreds of thousands of ecryptfs errors (see attached file)

I will be reinstalling soon (and am thankful I noticed this before it caused a major problem), but I am aware that this may be a problem affecting more than me...