Pulling in fix for bug #140713 for Gutsy release

[Ben Collins]

On Thu, 2007-10-11 at 09:52 -0500, Anthony Liguori wrote:
> Due to real mode usage in gfxboot, Ubuntu has never been able to install 
>      under KVM or Xen on Intel (VT) processors.  The latest version of 
> gfxboot attempted to fix this problem but there is a bug.

You should change that to "never been able to install under KVM or Xen
in native mode". We definitely can be installed into a kvm with --nokvm
during the install process, and run natively afterwards.

Wouldn't be nice to have this fixed, if possible though.

> A one-line fix is available that fixes the problem and allows Gutsy to 
> be installed under KVM or Xen.  The fix came from the gfxboot maintainer 
> (Steffen Winterfeldt) and has gotten a lot of review on kvm-devel.
> 
> While it is rather late to apply such a fix, the reward is great 
> (allowing Gutsy to be used for open virtualization on Intel) and the 
> risk is low since the patch has gotten a lot of review and is pretty 
> obvious.
> 
> I've included the patch in this email but the bug report should be 
> consulted for more information around the patch.
> 
> Sorry if this is the wrong place for such a request, I'm not that 
> familiar with how things work in Ubuntu.  The bug hasn't gotten much 
> attention on launchpad and it's very important this is taken before the 
> release of Gutsy (or it won't be useful until Gutsy+1).
> 
> https://bugs.launchpad.net/ubuntu/+source/gfxboot/+bug/140713
> 
> Regards,
> 
> Anthony Liguori
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