[Bug 1570249] [NEW] Braswell + UBUNTU 15.10 legacy mode , grub2 graphics interface picture color distorted

[kai]

Public bug reported:

Braswell + UBUNTU 15.10 legacy mode , grub2 graphics interface  picture
color distorted

grub2 version:  2.02~beta2-29
Ubuntu: 15.10 64bit
CPU: Braswell N3050 / N3150
Graphics:   Intel HD graphics(cherryview)

1. no problem under Ubuntu UEFI mode:    attach photo as uefi_normal.png

2. Ubuntu legacy mode:   grub2 GUI picture distorted  ( attach photo as
legacy_abnormal.jpg ) .  Attach /boot/grub/grub.cfg and
/etc/default/grub file.

Have tried below change,  all  failed.
             a. Try to set GRUB_GFXMODE to auto , 1024x768 , 1024x768x8 , ... in/etc/default/grub. Nothing help.
             b. update VBIOS to latest version 

Under grub GUI , can't get any result after run vbeinfo , vbetest.
After uncomment GRUB_TERMINAL=console , i can run vbeinfo , vbetest.

>vbeinfo
     list of supported video modes:
     Legend: mask/position=red/green/blue/reserverd
     Adapter "VESA BIOS Extension video Driver" :
           VBE info:    version: 3.0  OEM software rev: 1.0
                                total memory: 63424 KiB

> vbetest
error: no suitable video mode found.

This issue have been seen on MSI N3150I ECO , ASUS N3050I-C , ASROCK
N3150B-ATX .

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

** Attachment added: "legacy_abnormal.jpg"
   https://bugs.launchpad.net/bugs/1570249/+attachment/4636614/+files/legacy_abnormal.jpg

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2 in Ubuntu.
https://bugs.launchpad.net/bugs/1570249

Title:
  Braswell + UBUNTU 15.10 legacy mode , grub2 graphics interface
  picture color distorted

Status in grub2 package in Ubuntu:
  New

Bug description:
  Braswell + UBUNTU 15.10 legacy mode , grub2 graphics interface
  picture color distorted

  grub2 version:  2.02~beta2-29
  Ubuntu: 15.10 64bit
  CPU: Braswell N3050 / N3150
  Graphics:   Intel HD graphics(cherryview)

  1. no problem under Ubuntu UEFI mode:    attach photo as
  uefi_normal.png

  2. Ubuntu legacy mode:   grub2 GUI picture distorted  ( attach photo
  as legacy_abnormal.jpg ) .  Attach /boot/grub/grub.cfg and
  /etc/default/grub file.

  Have tried below change,  all  failed.
               a. Try to set GRUB_GFXMODE to auto , 1024x768 , 1024x768x8 , ... in/etc/default/grub. Nothing help.
               b. update VBIOS to latest version 

  Under grub GUI , can't get any result after run vbeinfo , vbetest.
  After uncomment GRUB_TERMINAL=console , i can run vbeinfo , vbetest.

  >vbeinfo
       list of supported video modes:
       Legend: mask/position=red/green/blue/reserverd
       Adapter "VESA BIOS Extension video Driver" :
             VBE info:    version: 3.0  OEM software rev: 1.0
                                  total memory: 63424 KiB

  > vbetest
  error: no suitable video mode found.

  This issue have been seen on MSI N3150I ECO , ASUS N3050I-C , ASROCK
  N3150B-ATX .

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1570249/+subscriptions