[Bug 802167] Re: Can't check if kernel supports ecryptfs

[PeterPall]

Perhaps found the real reason of this problem: Something has installed libpam-encfy on update.
There really should be a mechanism that prevents from completely uninstalling vital systems like all package managers, locale support - or this one too easily.

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https://bugs.launchpad.net/bugs/802167

Title:
  Can't check if kernel supports ecryptfs

Status in “cryptsetup” package in Ubuntu:
  New

Bug description:
  Didn't update my system for 3 days. After today's update my auth.log each time I try to log in contains the follwing message: 
  Can't check if kernel supports ecryptfs

  at logout umount.ecryptfs complains to the syslog:
  syslog:Jun 26 11:30:28 localhost umount.ecryptfs: Failed to find key with sig [XXXXXXXXXXXX]: Required key not available

  mount tells:
  /dev/sda1 on / type ext4 (rw,noatime,errors=remount-ro,commit=0)
  proc on /proc type proc (rw,noexec,nosuid,nodev)
  fusectl on /sys/fs/fuse/connections type fusectl (rw)
  binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
  /home/gunter/.Private on /home/gunter type ecryptfs (ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs,ecryptfs_sig=XXXXXXXXXX)

  Unfortunately all files in my home folder that are mounted this way
  are still named like and have the unencrypted contents of the files in
  /home/gunter/.Private before I log in so I've basically lost any way
  to access my private data.

  Hope this has to do with cryptfs not liking kernel 3.0.1 and my data
  isn't really lost at all.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: cryptsetup 2:1.1.3-4ubuntu1
  ProcVersionSignature: Ubuntu 3.0-1.2-generic 3.0.0-rc3
  Uname: Linux 3.0-1-generic i686
  NonfreeKernelModules: wl
  Architecture: i386
  Date: Sun Jun 26 14:45:17 2011
  ProcEnviron:
   SHELL=/bin/sh
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   LANGUAGE=en_US:en
   LC_TIME=de_DE.UTF-8
  SourcePackage: cryptsetup
  UpgradeStatus: No upgrade log present (probably fresh install)
  crypttab: # <target name>	<source device>		<key file>	<options>

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