[Bug 1454764] [NEW] [ppc64el] video is inverted on console after "error: no suitable video mode found." message in GRUB

[Mathieu Trudel-Lapierre]

Public bug reported:

[Impact]
The video is inverted on console after "error: no suitable video mode found." message in GRUB; while booting some ppc64el systems.

[Test case]
- Boot, exit to grub command-line.
- Issue the 'clear' command.

EXPECTED BEHAVIOR: screen should be cleared.
ACTUAL BEHAVIOR: screen has colors inverted.

[Regression potential]
This may affect other grub scripts that expect specific behavior after a 'clear' command; namely that the text attribute is intact. It will now be reset.

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: grub2 (Ubuntu Trusty)
     Importance: Medium
     Assignee: Mathieu Trudel-Lapierre (mathieu-tl)
         Status: In Progress

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https://bugs.launchpad.net/bugs/1454764

Title:
  [ppc64el] video is inverted on console after "error: no suitable video
  mode found." message in GRUB

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2 source package in Trusty:
  In Progress

Bug description:
  [Impact]
  The video is inverted on console after "error: no suitable video mode found." message in GRUB; while booting some ppc64el systems.

  [Test case]
  - Boot, exit to grub command-line.
  - Issue the 'clear' command.

  EXPECTED BEHAVIOR: screen should be cleared.
  ACTUAL BEHAVIOR: screen has colors inverted.

  [Regression potential]
  This may affect other grub scripts that expect specific behavior after a 'clear' command; namely that the text attribute is intact. It will now be reset.

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