[CentOS-devel] CentOS-7 / powerpc BE bring up

Timo Schöler

timo at riscworks.net
Fri Sep 18 13:08:27 UTC 2015

On 09/18/2015 03:05 PM, Fabian Arrotin wrote:
> On 18/09/15 14:42, Timo Schöler wrote:
>> On 09/18/2015 02:36 PM, Akira Kuno wrote:
>> Did I miss something? From what I got during the last weeks,
>> both LE and BE will be built. Especially as Karanbir stated that
>> there's still much demand on support for "ancient" CPUs (such as
>> Power 5):
>> http://www.spinics.net/lists/centos-devel/msg13790.html
>> As Fedora 23 boots on my Power 5 hardware pretty well, I'd like
>> to see CentOS 7 support it, too. There's plenty of aresome
>> hardware out there that is not brand new...
>>> I vote Little Endian.
>>> Akira Kuno Manager Power Systems Sales Promotion Server
>>> Solutions IBM Systems IBM Japan
>> Best,
>> Timo
> Yes, you're right : there is no "vote" and don't even know why
> people started to do that :-)

Good to know. I was almost questioning myself. :)

> James will be able to give a status update, but I know for sure
> that both builds are in good progress on both big and little endian
> sides. Regarding older power cpu support, that will be completely
> different, and (even if I'm only a sysadmin) can lead to tears and
> cry :-)

I know, I tried to do a port of CentOS 6 onto my Intelli 285 back in
2010 or so and ran out of time.

> Afaik, EL7 code for ppc64 is optimized for Power7 (and so can work
> on Power8), and ppc64le started with only support for Power8. So
> that means that if someone wants to have it working on older arch,
> one has to start with a parallel build/package set, starting with
> glibc itself. That reminds me some "adventure" when I was trying to
> build some ppc packages on my old Mac for IBM iSeries machines :-) 
> (http://arrfab.net/posts/2010/Jan/08/the-joy-of-building-ppc-rpms-for-rhel-5-4-ppc-on-an-unsupported-platform/)

think I came along this posting back then. ;)



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