[Bug 1207526] [NEW] Freeze when cursor automatically passes the last line of boot options

[qwach]

Public bug reported:

When I enter the boot option editing screen from the main Grub 2 screen on my laptop and I press and hold Down, the cursor moves further and further down even when I release Down, as somewhat expected. But when it reaches the first empty line after the boot options and apparently continues attempting to move downwards, the screen freezes (I can't move the cursor anymore) and the fan spins up, and that's the way it stays. I'll try leaving the screen alone for a bit more and report back, and also whether other buttons still work.
When I move the cursor to the first empty line in single-step increments and then press Down, nothing happens as expected and the cursor stays responsive.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: grub-efi 2.00-13ubuntu3
ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
Uname: Linux 3.8.0-27-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Thu Aug  1 22:55:18 2013
InstallationDate: Installed on 2013-01-01 (212 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
SourcePackage: grub2
UpgradeStatus: Upgraded to raring on 2013-04-28 (95 days ago)

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


** Tags: amd64 apport-bug raring

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https://bugs.launchpad.net/bugs/1207526

Title:
  Freeze when cursor automatically passes the last line of boot options

Status in “grub2” package in Ubuntu:
  New

Bug description:
  When I enter the boot option editing screen from the main Grub 2 screen on my laptop and I press and hold Down, the cursor moves further and further down even when I release Down, as somewhat expected. But when it reaches the first empty line after the boot options and apparently continues attempting to move downwards, the screen freezes (I can't move the cursor anymore) and the fan spins up, and that's the way it stays. I'll try leaving the screen alone for a bit more and report back, and also whether other buttons still work.
  When I move the cursor to the first empty line in single-step increments and then press Down, nothing happens as expected and the cursor stays responsive.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: grub-efi 2.00-13ubuntu3
  ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
  Uname: Linux 3.8.0-27-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  Date: Thu Aug  1 22:55:18 2013
  InstallationDate: Installed on 2013-01-01 (212 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  SourcePackage: grub2
  UpgradeStatus: Upgraded to raring on 2013-04-28 (95 days ago)

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