[Bug 1530530]

[Siro-3]

gfxboot doesn't support 24bpp or 32bpp.

The only mode that is supported by coreboot's native graphics
initialization is 32bpp.

As the graphics initialization is done by coreboot, the pixel format
can't be changed in (Sea)VGABIOS.

I'm working on supporting multiple resolutions, but the main problem
persists. There will be only one advertised pixel format ever.

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https://bugs.launchpad.net/bugs/1530530

Title:
  Installer doesn't show up on some Chromebooks: "Error setting up
  gfxboot"

Status in gfxboot-theme-ubuntu:
  Confirmed
Status in gfxboot package in Ubuntu:
  Confirmed
Status in gfxboot-theme-ubuntu package in Ubuntu:
  Confirmed

Bug description:
  I downloaded Ubuntu Wily 15.10, then copied into an USB drive in order to use that to install Ubuntu on my Chromebook Pixel 2.
  After selecting the drive to boot from, I only get a terminal that shows up the following lines:

  graphics initialization failed
  Error setting up gfxboot
  boot:

  Same happens with any *buntu ISO image ( I tried KDE and XFCE as well).
  At this point, I tried to download the  Debian8 ISO image and I noticed that the installer doesn't recognize the video size, too but then asks for the user to manually select a suitable video format from a list of options. >From that point on, I was able to install Debian on the chromebook.

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