2014-06-27 5:54 GMT-03:00 Walter Dnes <waltdnes@waltdnes.org>:

> On Thu, Jun 26, 2014 at 07:50:10PM -0300, João Matos wrote
>
> > I've updated the kernel (3.7.4 to 3.14.4), and the USB problem was
> solved,
> > I don't know why. :)
> >
> > Now I'm having some other issues, but I've decide recompile the whole
> > system before solving them. At least I'm already using my gentoo.
>
>   I would boot with install ISO or rescueCD, chroot, make the necessary
> changes and then "emerge system" and "emerge world".  The necessary
> changes are...
>

I'm already doing it... I hope I can access my GUI after it.

>
> 1) CFLAGS.  I use...
> CFLAGS="-O2 -march=native -mfpmath=sse -fomit-frame-pointer -pipe
> -fno-unwind-tables -fno-asynchronous-unwind-tables"
> CXXFLAGS="${CFLAGS}"
>

I'm using

CFLAGS="-O2 -march=native -mprefer-avx128 -mvzeroupper -pipe"

that I took from http://wiki.gentoo.org/wiki/Safe_CFLAGS#FX-XXXX . But
I'll take a look on these ones.


> 2) Check your USE flags (in both make.conf and package.use).  I have an
> older Dell with an Intel.  I have "mmx mmxext sse sse2 sse3 ssse3" USE
> flags.  AMD cpus benefit from "3dnow 3dnowext" and possibly other AMD-
> specific flags.
>
> --
> Walter Dnes <waltdnes@waltdnes.org>
> I don't run "desktop environments"; I run useful applications
>
>


-- 
João Neto
Linux User #461527
http://br.linkedin.com/pub/jo%C3%A3o-de-matos/7/316/552