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Re: F12 to require "i686", but which CPUs do not qualify?



I'm late replying -- had trouble with my mail server -- so I'm moving 
all my replies to Bill Nottingham's post, as I think he can fix the 
wiki pages most authoritatively to not say that Athlons will not work,
if that is indeed the proper thing to do, given that so many packages 
depend on packages that are only built for SSE2.

<https://fedoraproject.org/wiki/Features/F12X86Support>
<https://fedoraproject.org/wiki/Talk:Features/F12X86Support>

If necessary, I can install Rawhide and see if it boots, and then edit 
the above wiki page and the Alpha release notes, but I'd prefer if 
someone who already uses an Athlon-core processor on Rawhide did it.


On 09-08-13 10:34:58, Peter Robinson wrote:
> Tony Nelson wrote:
 ...
> > Is there a simple way for ordinary users to know if their CPU is
> > expected to work on F12 (as an "i686" according to GCC)?  Is there 
> > a tool to run that doesn't require downloading F12?
> 
> https://fedoraproject.org/wiki/Features/F12X86Support
> 
> Its outlined in the link above. An athlon should be fine. Basically 
> if its i586 + cmov it should work. You can tell if you have cmov by
> looking at /proc/cpuinfo.

According to that link, an Athlon is specifically excluded.  According 
to the Talk:Features/F12X86Support link 
<https://fedoraproject.org/wiki/Talk:Features/F12X86Support>, SSE2 is 
required.


> Originally it wasn't planned to support them but there was enough
> discussion to change peoples minds :-)

If that has changed, then those wiki pages need updating, as well as 
the Release Notes and release announcements.  Thanks.


On 09-08-13 10:35:29, Jon Ciesla wrote:
> Quoting Bill Nottingham:
> 
> Given the loud feedback, I've updated the proposal at:
> 	https://fedoraproject.org/wiki/Features/F12X86Support
> 
> The revised proposal:
> 
> - Build all packages for i686 (this requires cmov)
> - Optimize for Atom
> 
> Why?
 ...

That doesn't actually quite say about SSE2, but at 
<https://fedoraproject.org/wiki/Talk:Features/F12X86Support>:

> _Bill Nottingham_ Once a set has been decided on, this should be 
> pretty trivial. With respect to the proposal, 'grep sse2 /proc/
> cpuinfo' should work.

Bill?

-- 
____________________________________________________________________
TonyN.:'                       <mailto:tonynelson georgeanelson com>
      '                              <http://www.georgeanelson.com/>


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