[Bug 982257] [NEW] Can't activate a new LUKS encrypted volume on installation if an prior one exists

[Chris Evans]

Public bug reported:

This follows on from bug 979971 but is essentially unrelated to it.

I have been trying to instal U12.04 into an encrypted volume.  Bug
#979971 details how I am unable to do this on top of (alongside) a
Truecrypt encrypted Windows 7 partition and Truecrypt encrypted MBR on
/dev/sda and /dev/sda1 and /dev/sda2.  So I decided I'd see if I could
install U12.04 to a fast external USB drive.  That's /dev/sdb but my
encrypted previous install is still on /dev/sda5.  When I use the 12.04
alternate i386 installer it allows me to create a LUKS encrypted
partition on /dev/sdb5 but I can't activate it as every time I go to
"activate existing encrypted volumes" the installer prompts me for the
passphrase for the on /dev/sda5 but not for the new one on /dev/sdb5 so
I can't get to create a usable encrypted volume there.  Stymied again.

I admit that this is probably a seriously rare ask of the installer but
I think it's a clear bug that you can't do it.

** Affects: debian-installer (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/982257

Title:
  Can't activate a new LUKS encrypted volume on installation if an prior
  one exists

Status in “debian-installer” package in Ubuntu:
  New

Bug description:
  This follows on from bug 979971 but is essentially unrelated to it.

  I have been trying to instal U12.04 into an encrypted volume.  Bug
  #979971 details how I am unable to do this on top of (alongside) a
  Truecrypt encrypted Windows 7 partition and Truecrypt encrypted MBR on
  /dev/sda and /dev/sda1 and /dev/sda2.  So I decided I'd see if I could
  install U12.04 to a fast external USB drive.  That's /dev/sdb but my
  encrypted previous install is still on /dev/sda5.  When I use the
  12.04 alternate i386 installer it allows me to create a LUKS encrypted
  partition on /dev/sdb5 but I can't activate it as every time I go to
  "activate existing encrypted volumes" the installer prompts me for the
  passphrase for the on /dev/sda5 but not for the new one on /dev/sdb5
  so I can't get to create a usable encrypted volume there.  Stymied
  again.

  I admit that this is probably a seriously rare ask of the installer
  but I think it's a clear bug that you can't do it.

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