Bumping the baseline on ppc64el in jammy to POWER9

[Frank Heimes]

Just to close the look (based on the MM chat):

- Patricia released 'bobone' - thx Patricia
- bobone is resource-wise more powerful that the existing P8 system for ISO
testing, so it should be good
- from there 10.25.200.31 can be (surprisingly) reached - so no need for an
RT

We'll put a new dedicated ISO testing system on the top of the list in case
new P9 loaners arrive ...

Thx, Frank

On Thu, Dec 9, 2021 at 5:34 PM Frank Heimes <frank.heimes at canonical.com>
wrote:

> Ok, so like mentioned in MM, the interim solution is to provide you one
> system from the PowerMAAS pool (with sufficient) resources.
> And once we got more P9 loaners, one of these will be delegated to
> you/Server-team for ISO testing.
>
> Next steps:
> - I'll identify one system
> - will check the network connectivity, if it's possible to
> reach 10.25.200.31 (what is probably not the case)
> - if it's not possible I'll open an RT and ask for routing adjustments
>
> I'll keep you in the loop ... (probably '-' ubuntu-devel then, to not spam
> others too much ...)
>
> Frank
>
>
> On Thu, Dec 9, 2021 at 3:40 PM Matthias Klose <doko at ubuntu.com> wrote:
>
>> On 12/9/21 15:24, Christian Ehrhardt wrote:
>> > On Thu, Dec 9, 2021 at 2:25 PM Matthias Klose <doko at ubuntu.com> wrote:
>> >>
>> >> This weekend, we will bump the baseline for the ppc64el architecture
>> to POWER9.
>> >> A test compiler (gcc-11) for jammy can be found at
>> >>
>> >>   https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/p9
>> >>
>> >> We will not do an explicit test rebuild for that change, but do the
>> first test
>> >> rebuild during the Xmas/New Year breaks with this p9 default.  If bugs
>> are found
>> >> with these defaults,
>> >>
>> >>  - fix the bug if possible
>> >>
>> >>  - file a bug report with the tag "power9"
>> >>
>> >>  - if a fix is urgently needed, file the bug report as
>> >>    above, and then upload the package with a workaround
>> >>    defaulting to the previous baseline:
>> >>
>> >>      -march=power8 -mtune=power9
>> >
>> > Hi Doko,
>> > to understand this right, the new will be -march=power9 then?
>> >
>> > If yes, that implies that any power8 test machine won't be usable for
>> >=jammy.
>> > I just wanted to spell this out so that the implication is clear since
>> > I think while
>> > P8 machines are old they are in common use as test system AFAIK.
>>
>> yes, that's correct.
>>
>> Matthias
>>
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>
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