Pulling in fix for bug #140713 for Gutsy release

[Anthony Liguori]

Ben Collins wrote:
> 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.
>   

True, but -no-kvm does not exist for Xen so it's never been possible on 
Xen (unless you use something like debootstrap or QEMU).

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

Yes, very much!

Regards,

Anthony Liguori

>> 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
>>