Also if you have any points you would like confirmation on you may want
to mail kernel-t...@lists.ubuntu.com list or pop into the #ubuntu-kernel
channel.

-Thanks,
Antonio

On 05/15/2013 08:03 AM, James Page wrote:
> Hi David
> 
> On 15/05/13 03:25, David Medberry (Med) wrote:
>> Does the migration to the HWE kernel in Precise (at some point) effect
>> the UCA work? I understand that after the next point release, the HWE
>> kernel will likely be the default.
>>
>> Ref:
>> http://goo.gl/erP8b (UDS Session on 12.04.x LTS with HWE Kernel)
>>
>> This session was just ahead of the UCA session (and I was unable to
>> attend the the first session so missed it but replayed it later in the
>> day.)
>>
>> There was a bit more discussion in the Kernel Misc (but this also took
>> place without much representation from the cloud/server folks though
>> Brad Figg did at least carry the discussion into the meeting.) Leann is
>> looking for requirements from cloud/server.
> 
> Yeah - I wanted to make that meeting but I was participating on one in
> the cloud track.  We have a round-table tomorrow - I'll ensure its
> raised there.
> 
>> My concern is
>> a) What will we be testing in UCA (always the original precise LTS
>> kernel stream)
> 
> That's what we test with right now but there are some features in later
> kernels not related to hardware enablement that will appeal to cloud
> archive users.  For example, the Ceph RBD driver in the 3.5 kernel is
> much more solid that in 3.2; likewise later kernels have support for
> VXLAN (for which support should land in OpenStack during Havana).
> 
>> b) What will we be suggesting "new" users of UCA use
> 
> I think that depends on "I understand that after the next point release,
> the HWE kernel will likely be the default." i.e. if all new installs and
> upgrades will switch to the HWE kernel, then we make that
> recommendation; however if that is not the case we should stick with 3.2
> kernel as shipped in 12.04 as the base recommendation.
> 
>> c) Are we going to be locking out newer hardware (ie, dell/HP servers)
>> if we only test/qual UCA with the original.
> 
> Hopefully we can avoid that.
> 
>> This sounds like another potential test matrix explosion (and maybe it
>> is being covered by already testing in Raring/Saucy + Precise) but I
>> thought I'd air the question.
> 
> Its covered at-least partially by the fact that we test both for the
> main distro and for the UCA for precise - but I think we need to beef up
> coverage.  Right now this is a little awkward to support, but with the
> switch to OpenStack based testing of OpenStack, we should be able to
> support this more easily.
> 
> Thanks for raising this.
> 
> Cheers
> 
> James
> 


-- 
Antonio Rosales
Ubuntu Server & Cloud Workloads
Canonical Ltd

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