[Bug 754130] Re: amd64 debian-installer, natty from 04/05 fails

[M. Emin Akşehirli]

Enabling Legacy OS boot option from the BIOS solved the problem. Now I
can start the computer with live ubuntu 11.04 over a USB.

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https://bugs.launchpad.net/bugs/754130

Title:
  amd64 debian-installer, natty from 04/05 fails

Status in “debian-installer” package in Ubuntu:
  New

Bug description:
  Binary package hint: debian-installer

  Using the Minimal CD, current, for Natty, amd64 from

  http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-amd64/current/images/netboot/ 
  an error message is displayed:

  error "prefix" not set

  before grub displays its command line. Setting the prefix manually to
  (cd0,1)/boot/grub/x86_64-efi and setting the root to root=(cd0,1) at
  least allows to lad modules.

  Typing "normal" brings up the usual selection in text mode, no splash.
  However, none of the options works, everything ends with a black
  screen. This might be two different issues, though, since this is on a
  brand new Lenovo T420.