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Old 05-10-2010, 11:40 AM   #1
Registered: May 2007
Location: Cork (Ireland)
Distribution: FreeBSD 9.1
Posts: 154

Rep: Reputation: 25
eCryptfs/ext4/Ubuntu 10.04

Hi Guys,

I did not really know where to post and I hope this is the right place. I was running Ubuntu 9.10 with my home folder encrypted with eCryptfs. I had no issue whatsoever. I did a clean install and moved to Ubuntu 10.04. I again encrypted my home folder with eCryptfs. This time I am suffuring from a sluggish system with intermittent freeze. I had a look at the logs and I found that my logs were filled with this error message --> " 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". After a few hours of searching the net, I stumbled upon this --> There seem to be a bug with eCryptfs. It seems that there is no fix for it. I thought I would chance my arm and ask anyways as I know there are some immensely talented LINUX GURU out there.

I have only one notebook which is a Toshiba Satellite T110. I do need to use an encrypted home folder. So to revert back to a non encrypted home folder is just out of the question. I am using a 1TB seagate external HDD which is as well encrypted.

Thank you very much for your help

Kind Regards,

Last edited by riganta; 05-10-2010 at 01:09 PM.
Old 05-11-2010, 09:37 PM   #2
Senior Member
Registered: Jul 2004
Location: Phoenix, Arizona
Distribution: Gentoo, LFS, Debian,Ubuntu
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By looking in the messages posted into that bug report it seams that the issue is related to the ext4 file system. Did you format your home with ext4 instead of 3. Reverting back to ext3 may solve your problem
Old 05-14-2010, 12:54 AM   #3
Registered: Aug 2005
Location: Brazil
Distribution: Debian Stretch
Posts: 985

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I just googled eCryptfs and I think I don't like it. I use LUKS+cryptsetup, I think it's better.

Just a thought. Take it or leave it.
Old 05-20-2010, 10:57 AM   #4
Registered: May 2007
Location: Cork (Ireland)
Distribution: FreeBSD 9.1
Posts: 154

Original Poster
Rep: Reputation: 25
Sorry for the late reply...
I have left the default in Ubuntu 10.04 so I do have my HDD formatted with ext4
I have done a clean install; another one, and now the issue happens a lot less often hence not filling my HDD on my notebook. So I am going to live with it until they find a cure for this bug

Thanks again for your responses


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