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[Bug 1393080] Re: Keyboard not recognized during FDE password entry


I've noticed that my system is exhibiting the following behavior:
In the BIOS, the numlock light turns on, and the capslock/numlock/scrolllock indicators reflect a change in state when I toggle those keys.  The keyboard also registers input.  In short, everything works fine.
In GRUB, all of the above holds true as well.
Once I'm prompted for my FDE password, any numlock/scrolllock/capslock lights that are on turn off, and cannot be toggled.  IF however, I toggle the numlock key after the kernel loads but before I'm prompted for the password, the password prompt will appear, but the cursor will be located in the upper left corner of the screen and my password will appear in plaintext.

Additionally, if I use the recovery mode, I can boot the kernel and I'll
be prompted for the password without the graphical interface, from where
I can enter it normally and then select "Normal Boot" to continue

Is it possible that this is actually a bug in plymouth or something like
that?  Otherwise, it does seem to be related to lp://1383851

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  Keyboard not recognized during FDE password entry

Status in “linux” package in Ubuntu:

Bug description:
  When I use the default grub boot option, my system presents me with a
  graphical prompt to enter my disk encryption password, but it doesn't
  register keypresses from my keyboard.  If I use the recovery option in
  grub though, I'm able to enter my password.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-25-generic 3.16.0-25.33
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
   /dev/snd/controlC1:  ian        3461 F.... pulseaudio
   /dev/snd/controlC0:  ian        3461 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Nov 15 15:29:28 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-02-22 (266 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140221)
  MachineType: TOSHIBA Satellite L875D
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-25-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
   linux-restricted-modules-3.16.0-25-generic N/A
   linux-backports-modules-3.16.0-25-generic  N/A
   linux-firmware                             1.138
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-11-05 (10 days ago)
  dmi.bios.date: 12/06/2012
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: 6.30
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: PLCSC8
  dmi.board.vendor: AMD
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis Manufacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvr6.30:bd12/06/2012:svnTOSHIBA:pnSatelliteL875D:pvrPSKFQU-003034:rvnAMD:rnPLCSC8:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: Satellite L875D
  dmi.product.version: PSKFQU-003034
  dmi.sys.vendor: TOSHIBA

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