Unable to enter password for encrypted root after upgrade

[Adam]

I have recently upgraded from 14.04.1 to 14.10 on my Samsung R560 laptop. Everything works fine except the password splash screen during boot. I'm unable to enter my crypt password into the password box - kayboard works, but the typed text is echoed in plaintext on the side of the boot screen. Please see the image for clarification: http://i.imgur.com/x3cPMbk.jpg. In order to boot the system, I have to boot through recovery mode. I'm using nVidia binary drivers and I have modified my /etc/default/grub with GRUB_GFXPAYLOAD_LINUX=1280x800 in order to see graphical splash screen. I've had no problems with that configuration on Trusty.
---
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 2014-09-27 (31 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R560
NonfreeKernelModules: nvidia
Package: plymouth 0.9.0-0ubuntu7
PackageArchitecture: amd64
ProcCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-23-generic root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-23-generic root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Tags: utopic
TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
Uname: Linux 3.16.0-23-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/09/2008
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 09LA.7027.20081209.JJC
dmi.board.name: R560
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr09LA.7027.20081209.JJC:bd12/09/2008:svnSAMSUNGELECTRONICSCO.,LTD.:pnR560:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR560:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: R560
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

apport information

[Adam (ako.one-deactivatedaccount)]

Since I've encoutered that bug, I have changed two lines in /etc/default/grub:
#GRUB_GFXMODE=640x480 -> GRUB_GFXMODE=1280x800
GRUB_GFXPAYLOAD_LINUX=1280x800 -> GRUB_GFXPAYLOAD_LINUX=keep

Now the typed text isn't echoed on the side of the screen anymore, but I still can't enter my password.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jhonny Oliveira (jhonny-oliveira)]

I did an installation from scratch, same issue, however, I don't see any echoed text on the side...

Some other differences which probably are not related to the issue, I use AMD graphic card with fglrx-updates.

My workaround is to CTRL-ALT-DEL, wait the system to boot again, press enter to proceed at grub window, and then, blindly enter the password (just a purple screen, no prompt or text anywhere)...

[Andreas Schneider (aksdb)]

It also helps to remove "splash" from the kernel line (for example in /etc/default/grub and rerun update-grub). Then you lose the splash screen but can normally enter the password.
That's ofcourse just a workaround, since the splash screen is kind of integral to the user experience imho. Without it I might as well use debian or arch :D

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1386836

[Mathieu Trudel-Lapierre (cyphermox)]

Looks like this would be a duplicate of bug 1386005, marking it as such...