[Oneiric] Temporary Xen HVM work-around

Tim Gardner tim.gardner at canonical.com
Thu Sep 1 14:12:21 UTC 2011

On 09/01/2011 07:56 AM, Stefan Bader wrote:
> On 01.09.2011 15:54, Stefan Bader wrote:
>> On 01.09.2011 15:39, Tim Gardner wrote:
>>> On 09/01/2011 07:23 AM, Stefan Bader wrote:
>>>> I would like to propose the following SAUCE patch for Oneiric. Without
>>>> this the Oneiric kernel fails to boot in HVM mode from a Xen 4.1.1 or
>>>> newer hypervisor (which we ship in Oneiric).
>>>> It should be only temporary, but I am not sure we find a proper solution
>>>> within the time before final freeze and I rather would see the released
>>>> kernel at least booting.
>>>> Changes only affect code paths used when booting in HVM mode under Xen,
>>>> so there should be no other impact.
>>>> -Stefan
>>> Can you think of any possible impact this might have for an LTS backport ? We're
>>> not doing anything for -ec2 backports, right ?
>>> rtg
>> We do not have an LTS backport for EC2. Of course people can an do run the
>> normal (generic-pae for i386, amd64 should be ok with any flavour) LTS backport
>> kernel in Lucid installations. If the hyperviser is older that 4.1.1 this has no
>> impact at all. And for the other ones it would cause the same issue.
>> -Stefan
> Of course I meant "under Xen" somewhere above...

So if someone was running Lucid user space as a Xen domU guest on a 
hypervisor older then 4.1.1, then installing the Oneiric LTS backport 
would normally work, right? Will this patch impact that ?

Tim Gardner tim.gardner at canonical.com

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