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

[Launchpad Bug Tracker]

This bug was fixed in the package grub2-signed - 1.85.3

---------------
grub2-signed (1.85.3) artful; urgency=medium

  * Rebuild against grub2 2.02~beta3-4ubuntu7.2. (LP: #1752767)

 -- dann frazier <dannf at ubuntu.com>  Mon, 05 Mar 2018 02:23:49 -0700

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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 Released
Status in grub2-signed source package in Artful:
  Fix Released
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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