[Bug 1276739] Re: kubuntu encrypted lvm install fails

[Dimitri John Ledkov]

So the only change in the partman-crypto for 12.04.4 is to start using
aes-xts-plain64 cipher to protect installations from the pre-imaging
attack.

>From the syslog:
Feb  6 00:52:00 partman-crypto: kernel entropy_avail: 181 bits
Feb  6 00:52:12 partman-crypto: device-mapper: reload ioctl failed: No such file or directory
Feb  6 00:52:12 partman-crypto: 
Feb  6 00:52:12 partman-crypto: Failed to setup dm-crypt key mapping for device /dev/sda5.
Feb  6 00:52:12 partman-crypto: Check that kernel supports aes-xts-plain64 cipher (check syslog for more info).
Feb  6 00:52:12 partman-crypto: Failed to write to key storage.

Which for the kubuntu kernel Linux version 3.2.0-58-generic
(buildd at allspice) it appears to not be available at the install time.

Based on above i presume flavors that use hwe kernels are not affected.

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https://bugs.launchpad.net/bugs/1276739

Title:
  kubuntu encrypted lvm install fails

Status in “partman-crypto” package in Ubuntu:
  Confirmed

Bug description:
  kubuntu encrypted lvm install fails on 12.04.4 candidate images

  http://people.ubuntu.com/~jr/tmp/d-i.png

  unencrypted install works fine

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