[Bug 883820] [NEW] splash screen doesn't display on kernels newer than 2.6.31-22 => can not enter disk decryption password

[G H]

Public bug reported:

I'm using Ubuntu on my notebook. My disk contains four partitions: two
windows partitions, a /boot partition for ubuntu, and an (fully
encrypted) partition containing the rest of my ubuntu system. The
encryption was set up using the alternate install CD of Ubuntu 9.04 (so
it's LUKS).

Trying to boot with any kernel newer than 2.6.31-22 fails, because the
splash screen (where I am supposed to enter my disk
encryption/decryption password) is not displayed. This also holds for
booting in recovery mode. Typing the password blindly (without prompt)
does not yield any result.

During the boot process with new kernels, the screen flashes one time
(as if the kernel was trying to change the display mode/screen
resolution), but then falls back to text mode display. I'm not sure if
this has got something to do with the problem, but since I can't rule
that out, I included the info.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: plymouth 0.8.2-2ubuntu28
ProcVersionSignature: Ubuntu 2.6.31-22.65-generic
Uname: Linux 2.6.31-22-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Sun Oct 30 13:04:55 2011
DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 002: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
 Bus 001 Device 003: ID 5986:0200 Acer, Inc OrbiCam
MachineType: wortmann M7X0SU
ProcCmdLine: root=/dev/mapper/lvm--vg-lvm--lv--system ro quiet splash
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcFB:
 
ProcKernelCmdLine: root=/dev/mapper/lvm--vg-lvm--lv--system ro quiet splash
SourcePackage: plymouth
TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
UpgradeStatus: Upgraded to oneiric on 2011-10-29 (1 days ago)
dmi.bios.date: 11/07/0892
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.asset.tag: 1234567890
dmi.board.name: M7X0SU
dmi.board.vendor: wortmann
dmi.board.version: Bottom
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: SiS
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd11/07/0892:svnwortmann:pnM7X0SU:pvrRev.A1:rvnwortmann:rnM7X0SU:rvrBottom:cvnSiS:ct1:cvrN/A:
dmi.product.name: M7X0SU
dmi.product.version: Rev. A1
dmi.sys.vendor: wortmann

** Affects: plymouth (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 oneiric running-unity

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https://bugs.launchpad.net/bugs/883820

Title:
  splash screen doesn't display on kernels newer than 2.6.31-22 => can
  not enter disk decryption password

Status in “plymouth” package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu on my notebook. My disk contains four partitions: two
  windows partitions, a /boot partition for ubuntu, and an (fully
  encrypted) partition containing the rest of my ubuntu system. The
  encryption was set up using the alternate install CD of Ubuntu 9.04
  (so it's LUKS).

  Trying to boot with any kernel newer than 2.6.31-22 fails, because the
  splash screen (where I am supposed to enter my disk
  encryption/decryption password) is not displayed. This also holds for
  booting in recovery mode. Typing the password blindly (without prompt)
  does not yield any result.

  During the boot process with new kernels, the screen flashes one time
  (as if the kernel was trying to change the display mode/screen
  resolution), but then falls back to text mode display. I'm not sure if
  this has got something to do with the problem, but since I can't rule
  that out, I included the info.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: plymouth 0.8.2-2ubuntu28
  ProcVersionSignature: Ubuntu 2.6.31-22.65-generic
  Uname: Linux 2.6.31-22-generic i686
  ApportVersion: 1.23-0ubuntu3
  Architecture: i386
  Date: Sun Oct 30 13:04:55 2011
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 002: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
   Bus 001 Device 003: ID 5986:0200 Acer, Inc OrbiCam
  MachineType: wortmann M7X0SU
  ProcCmdLine: root=/dev/mapper/lvm--vg-lvm--lv--system ro quiet splash
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: root=/dev/mapper/lvm--vg-lvm--lv--system ro quiet splash
  SourcePackage: plymouth
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  UpgradeStatus: Upgraded to oneiric on 2011-10-29 (1 days ago)
  dmi.bios.date: 11/07/0892
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 6.00
  dmi.board.asset.tag: 1234567890
  dmi.board.name: M7X0SU
  dmi.board.vendor: wortmann
  dmi.board.version: Bottom
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: SiS
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd11/07/0892:svnwortmann:pnM7X0SU:pvrRev.A1:rvnwortmann:rnM7X0SU:rvrBottom:cvnSiS:ct1:cvrN/A:
  dmi.product.name: M7X0SU
  dmi.product.version: Rev. A1
  dmi.sys.vendor: wortmann

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