[Bug 1386005] Re: Password not accepted graphical boot for encrypted root system

[Ricardo N Feliciano]

This affects me as well. Adding my scenario which is similar.

I'm running Ubuntu 15.04 on a Dell XPS 13. I installed with the
encrypted LVM option. Typically, I boot, I get the purple screen asking
for my encryption passphrase, I put it in, then it goes to the standard
login screen.

Now, I boot, I get that purple screen for the passphrase, but I can't
seem to type anything. Even if I type my password and click enter, the
screen doesn't change. I hold the power button to shut off and then I
boot again. This second boot goes straight into Grub. I choose to boot
Ubuntu, and it goes to a purple screen for me to enter my passphrase.
This screen seems to be a low quality text screen however. I can type my
passphrase just fine on this screen and then it goes to Ubuntu's login
screen from there.

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https://bugs.launchpad.net/bugs/1386005

Title:
  Password not accepted graphical boot for encrypted root system

Status in plymouth package in Ubuntu:
  Triaged

Bug description:
  After upgrading to 14.10 from 14.04, I am unable to enter my password for decypting the root filesystem.  The password is echoed in plaintext on the  graphic boot screen and does not show up in the password entry box  on the graphic.   In order to boot the system, I have to boot in recovery mode and enter the password during the text mode boot.  This problem was also described by another user in problem# 1385027.   I did not have a probem in 14.04.   I am using nvidia drivers.   I am set to resolution 1920x1200.  I am running module uvesafb with changes to /etc/default/grub for the module and resolution.  I assume this is a plymouth package bug but am not positive.
  --- 
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CurrentDesktop: Unity
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  DistroRelease: Ubuntu 14.10
  InstallationDate: Installed on 2014-04-21 (189 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Latitude E6500
  NonfreeKernelModules: nvidia
  Package: plymouth 0.9.0-0ubuntu7
  PackageArchitecture: amd64
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-37-generic root=/dev/mapper/hogwarts_vg-root ro recovery nomodeset
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-37-generic root=/dev/mapper/hogwarts_vg-root ro recovery nomodeset
  ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
  Tags:  utopic
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Uname: Linux 3.13.0-37-generic x86_64
  UpgradeStatus: Upgraded to utopic on 2014-10-23 (4 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 12/06/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A27
  dmi.board.name: 0PP476
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA27:bd12/06/2011:svnDellInc.:pnLatitudeE6500:pvr:rvnDellInc.:rn0PP476:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude E6500
  dmi.sys.vendor: Dell Inc.

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