Re: [PATCH] ppc64: 64K pages support

From: Badari Pulavarty
Date: Wed Nov 16 2005 - 19:34:00 EST


On Wed, 2005-11-16 at 17:57 -0600, Sonny Rao wrote:
> On 11/16/05, Badari Pulavarty <pbadari@xxxxxxxxxx> wrote:
> On Thu, 2005-11-17 at 00:08 +0100, Olaf Hering wrote:
> > On Wed, Nov 09, Badari Pulavarty wrote:
> >
> > > On Thu, 2005-11-10 at 09:01 +1100, Benjamin Herrenschmidt
> wrote:
> > > > > I didn't have any luck on 2.6.14-git12 either.
> > > > > I tried 64k page support on my P570.
> > > > >
> > > > > Here are the console messages:
> > > >
> > > > What distro do you use in userland ? Some older glibc
> versions have a
> > > > bug that cause issues with 64k pages, though it
> generally happens with
> > > > login blowing up, not init ...
> > >
> > > SLES9 (could be SLES9 SP1).
> >
> > Can you double check? rpm -qi glibc | head should be
> enough.
> > Would be bad if SP2 or SP3 does not work with 64k.
> >
>
> I think I am using SLES9. Planning to update to SP3.
>
>
> Badari, the problem is with your toolchain..
> the binutils in SLES9 is too old (even in SP3)
>
> The issue is that it cannot align something (the zero page I think) to
> 64kb .
>
> SLES9 SP3 has "GNU ld version 2.15.90.0.1.1 20040303 (SuSE Linux)"
>
> But I have to use binutils 2.15.94 to make a 64kb kernel boot
> properly
> (I can give you the package offline if you need)

Thank you Sonny. I updated my binutils package and 64k pagesize
kernel works fine for me (atleast booted fine).

Thanks,
Badari

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