[Bug 1530530]

[Siro-3]

I found another issue:
I tested KDE Neon Live DVD. It does not boot because the code checks additional window attributes:

		mov dx,[es:edi+2]		; win A/B attributes
		and dx,707h
		cmp dl,7
		jz set_mode_50		; win A is rw

It depends on VBE_WINDOW_ATTRIBUTE_RELOCATABLE.
The comment indicates that it needs only VBE_WINDOW_ATTRIBUTE_READABLE and VBE_WINDOW_ATTRIBUTE_WRITEABLE.

Is the attribute VBE_WINDOW_ATTRIBUTE_RELOCATABLE required ?

It shows a splash screen and boots if I just advertise
VBE_WINDOW_ATTRIBUTE_RELOCATABLE without checking what's it's good for.

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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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