[Bug 1357395] [NEW] black screen after install

[Robert Finley]

Public bug reported:

I am iso-testing the current lubuntu-amd64-alt iso. in a VM.  After
doing an encrypted install, when the machine reboots you see only a
black screen.  Pressing alt-f7 will display the passphrase challenge and
if correctly entered the machine will boot normally.

But machine initially only boots to a black screen and pressing alt-1-6
produces only a blank cursor.

Would speculate the same cause as buq #1356437

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: debian-installer (not installed)
ProcVersionSignature: Ubuntu 3.16.0-8.13-generic 3.16.0
Uname: Linux 3.16.0-8-generic x86_64
ApportVersion: 2.14.5-0ubuntu4
Architecture: amd64
CurrentDesktop: LXDE
Date: Fri Aug 15 09:33:19 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-08-15 (0 days ago)
InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140814)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
MemoryUsage:
 total       used       free     shared    buffers     cached
 Mem:       2049624     658628    1390996       1992      22488     382260
 -/+ buffers/cache:     253880    1795744
 Swap:            0          0          0
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-8-generic root=/dev/mapper/hostname--vg-root ro quiet splash vt.handoff=7
SourcePackage: debian-installer
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH

** Affects: debian-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug iso-testing utopic

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https://bugs.launchpad.net/bugs/1357395

Title:
  black screen after install

Status in “debian-installer” package in Ubuntu:
  New

Bug description:
  I am iso-testing the current lubuntu-amd64-alt iso. in a VM.  After
  doing an encrypted install, when the machine reboots you see only a
  black screen.  Pressing alt-f7 will display the passphrase challenge
  and if correctly entered the machine will boot normally.

  But machine initially only boots to a black screen and pressing
  alt-1-6 produces only a blank cursor.

  Would speculate the same cause as buq #1356437

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: debian-installer (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-8.13-generic 3.16.0
  Uname: Linux 3.16.0-8-generic x86_64
  ApportVersion: 2.14.5-0ubuntu4
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Fri Aug 15 09:33:19 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-08-15 (0 days ago)
  InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140814)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: innotek GmbH VirtualBox
  MemoryUsage:
   total       used       free     shared    buffers     cached
   Mem:       2049624     658628    1390996       1992      22488     382260
   -/+ buffers/cache:     253880    1795744
   Swap:            0          0          0
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-8-generic root=/dev/mapper/hostname--vg-root ro quiet splash vt.handoff=7
  SourcePackage: debian-installer
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/01/2006
  dmi.bios.vendor: innotek GmbH
  dmi.bios.version: VirtualBox
  dmi.board.name: VirtualBox
  dmi.board.vendor: Oracle Corporation
  dmi.board.version: 1.2
  dmi.chassis.type: 1
  dmi.chassis.vendor: Oracle Corporation
  dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
  dmi.product.name: VirtualBox
  dmi.product.version: 1.2
  dmi.sys.vendor: innotek GmbH

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