[Bug 816267] Re: encryption (dm-crypt) passphrase prompt on oneiric does not set focus automatically for input during boot up

[Leo Barnes]

Affects me as well. Roughly 25% of the times I boot my computer, I get a
completely blank screen instead of the dm-crypt passphrase prompt.
Typing in the passphrase works buts results in a blank screen when
logging into ubuntu (or kubuntu in my case). This could be resolved by
pulling the monitor plug and plugging it back in again (or probably by
switching screens with CTRL-ALT-F6 /F7 as OP noted).

Computer is a Dell laptop with a monitor plugged in via HDMI on boot.

Unsure exactly which dumps are useful so I will do those relevant for me that the OP did:
$ lsb_release -rd
Description:	Ubuntu 12.04.1 LTS
Release:	12.04
$ apt-cache policy dmsetup
dmsetup:
  Installed: 2:1.02.48-4ubuntu7.1
  Candidate: 2:1.02.48-4ubuntu7.1
  Version table:
 *** 2:1.02.48-4ubuntu7.1 0
        500 http://se.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     2:1.02.48-4ubuntu7 0
        500 http://se.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
$ uname -a
Linux leob-hp 3.2.0-34-generic #53-Ubuntu SMP Thu Nov 15 10:48:16 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
$ sudo dmidecode -s system-product-name
HP Pavilion dv6 Notebook PC

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https://bugs.launchpad.net/bugs/816267

Title:
  encryption (dm-crypt) passphrase prompt on oneiric does not set focus
  automatically for input during boot up

Status in “plymouth” package in Ubuntu:
  Expired

Bug description:
  What happens?
  I get a blank screen every time I boot. I need to key in CTRL-F6 then CTRL-F7 to get the spalhscreen prompt. 100% repeatable bug.

  What should happen?
  The boot sequence should automatically show the splash screen and prompt for dm-crypt passphrase entry.

  """
  $ lsb_release -rd
  Description:	Ubuntu oneiric (development branch)
  Release:	11.10
  $ apt-cache policy dmsetup
  dmsetup:
    Installed: 2:1.02.48-4ubuntu2
    Candidate: 2:1.02.48-4ubuntu2
    Version table:
   *** 2:1.02.48-4ubuntu2 0
          500 http://us.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages
          100 /var/lib/dpkg/status
  $ uname -a
  Linux ubuntu-macbook 3.0.0-6-generic #7-Ubuntu SMP Wed Jul 20 13:53:04 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
  $ mount | egrep -i btrfs
  /dev/mapper/sda7_crypt on / type btrfs (rw,subvol=@)
  /dev/mapper/sda7_crypt on /home type btrfs (rw,subvol=@home)
  $ sudo dmidecode -s system-product-name
  MacBookPro5,4
  """

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