how many users of FreeBSD 12 do we have on powerpc?

[Cameron Berkenpas]

No worries, I've been through it twice already with my 2 testing VM's. I 
am not looking forward to doing it again. :)


On 2/11/2021 11:17 AM, Alfredo Dal´Ava Júnior wrote:
> Remember upgrading a powerpc64 from 12.x to 13.x requires a full
> reinstall due to ABI change during switch from gcc to llvm that makes
> it binary-incompatible with older releases (13.0  uses modern
> OpenPower ELF V2 ABI).
> 13 is definitively better with a modern compiler and many improvements
> on kernel, memory management, more drivers ported, including virtio
> that you can use with KVM or QEMU to improve network and disk
> throughput.
>
> []'s
> Alfredo
>
> On Thu, Feb 11, 2021 at 3:24 PM Cameron Berkenpas via freebsd-ppc
> <freebsd-ppc at freebsd.org> wrote:
>> I have 2 server's (kvm instances) running on POWER9 that I will upgrade
>> to 13.0-RELEASE as soon as it's released. I know you asked about 12, but
>> maybe this data point is still useful.
>>
>> I have 2 FreeBSD 13 VM's across 2 physical POWER9 hosts (so 1 VM per
>> host) that I've been using to follow the development of 13. Other than
>> the occasional hiccup, 13 seems quite a bit a bit better than 12.2 on
>> POWER especially after the switch from gcc to llvm settled down.
>>
>> On 2/10/21 2:39 PM, Mark Linimon wrote:
>>> So I want to get an idea if we can start trying to move FreeBSD/powerpc*
>>> users from 12.X to 13.0 once 13.0 is released.
>>>
>>> The problem is that we have limitations on:
>>>
>>>    - hardware resources w/rt building ports on 3 branches
>>>
>>>    - human resources trying to support 3 branches
>>>
>>> The powerpc ports team (the entire handful of us) is talking about
>>> dropping ports building for 12-STABLE in favor of starting to build
>>> 14-CURRENT.
>>>
>>> How many people will this affect if we do so?
>>>
>>> fwiw, I personally believe 13.0 will be a complete superset except for:
>>>
>>>    - ports that fail due to duplicate_symbol
>>>
>>> and all of those are problems shared with even amd64.
>>>
>>> (Also, I personally believe that it is fair to say "we do not really
>>> support powerpc* on 10.X or 11.Y.  Please upgrade.")
>>>
>>> How many people will these changes effect?  It's time to speak up ...
>>>
>>> mcl
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