[Bug 1031875] [NEW] precisely every second boot fails

[Magosányi Árpád]

Public bug reported:

It does not matter whether the machine crashed last time, it was a clean reboot or shutdown, after the BIOS the display is black.
The boot process might continue, but I cannot see it. The machine (Lenovo T530) have full-disk LUKS protection, so I cannot figure out whether it would boot up and find a correct display. Some times I was trying to enter the LUKS password, but no sign of booting.
If after that I turn it off and turn it on again, the machine boots normally.
lspci says this about the display controller:
00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: grub2 1.99-21ubuntu3.1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
Date: Wed Aug  1 20:31:53 2012
ProcEnviron:
 LANGUAGE=en
 TERM=xterm
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: grub2
UpgradeStatus: Upgraded to precise on 2012-04-30 (93 days ago)

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise

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https://bugs.launchpad.net/bugs/1031875

Title:
  precisely every second boot fails

Status in “grub2” package in Ubuntu:
  New

Bug description:
  It does not matter whether the machine crashed last time, it was a clean reboot or shutdown, after the BIOS the display is black.
  The boot process might continue, but I cannot see it. The machine (Lenovo T530) have full-disk LUKS protection, so I cannot figure out whether it would boot up and find a correct display. Some times I was trying to enter the LUKS password, but no sign of booting.
  If after that I turn it off and turn it on again, the machine boots normally.
  lspci says this about the display controller:
  00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: grub2 1.99-21ubuntu3.1
  ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
  Uname: Linux 3.2.0-24-generic x86_64
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  Date: Wed Aug  1 20:31:53 2012
  ProcEnviron:
   LANGUAGE=en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to precise on 2012-04-30 (93 days ago)

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