Public bug reported:
Binary package hint: ecryptfs-utils
I frequently see this message in /var/log/kern.log for an ecryptfs
volume I mount:
Oct 7 06:48:02 london kernel: [82261.625859] Valid eCryptfs headers not found
in file header region or xattr region
Oct 7 06:48:02 london kernel: [82261.625864] 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 sometimes also see this error in the log:
Oct 7 06:23:49 london kernel: [80809.306298] Could not find key with
description: [dc60d6cfa254c94d]
Oct 7 06:23:49 london kernel: [80809.306306] process_request_key_err: No key
Applications rarely but sometimes report having received EIO. This is
disturbing in itself, since a given app should always respond the same
to the same error, and EIO is an unlikely error to be able to handle
within an app. A good test case is this:
$ find $base -type f -exec sha1sum \{\} \; > $outfile
Errors seen when accessing a file when the system is under heavy IO load
often disappear when the system becomes more quiescent again.
Reports on the web from a couple years back indicate that something like
this may happen with empty files. That seems not to be the case here.
This is a bit vague, because I'm not clear on how to provide more
detailed information on errors from a file system, even a user space
filesystem. I'm happy to do (non-destructive) tests if I may help.
Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: ecryptfs-utils 83-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic x86_64
Architecture: amd64
Date: Thu Oct 7 06:45:46 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcEnviron:
PATH=(custom, user)
LANG=en_GB.utf8
SHELL=/bin/bash
SourcePackage: ecryptfs-utils
** Affects: ecryptfs-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid
--
ecryptfs reports errors, especially under system load
https://bugs.launchpad.net/bugs/656142
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