[Bug 1752767] Re: grub2 regression, simultaneous console and video graphical glitches with new patch

[Bouba]

** Tags added: verification-done-artful

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https://bugs.launchpad.net/bugs/1752767

Title:
  grub2 regression, simultaneous console and video graphical glitches
  with new patch

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in grub2 source package in Artful:
  Fix Committed
Status in grub2-signed source package in Artful:
  Fix Committed
Status in grub2 source package in Bionic:
  Fix Released
Status in grub2-signed source package in Bionic:
  Fix Released

Bug description:
  [Impact]
  The last SRU introduced a regression whereby, on EFI systems that support the graphical GRUB menu, there is a flickering affect where the menu switches between graphical and console modes while scrolling through menus.

  [Test Case]
  On an EFI system that supports a graphical GRUB menu, drop to the edit screen, and hold down the up/down arrow keys to cause rapid scrolling. You should not see the menu switch between graphical and console mode.

  [Regression Risk]
  This SRU only removes a patch added in the previous SRU.

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