Re: Building 64 bit kernel on Cobalt

[Jim Gifford <maillist@jg555.com>]

Franck Bui-Huu wrote:
> Hi,
>
> On 3/8/07, Jim Gifford <maillist@jg555.com> wrote:
> > Ralf Baechle wrote:
> > > On Sun, Mar 04, 2007 at 03:18:45PM -0800, Jim Gifford wrote:
> > >
> > >
> > >> Last working Kernel was 2.6.19 series.
> > >>
> It seems that I broke things again :(
>
> > >> Some changes from 2.6.19 and the 2.6.20 make it impossible to 
> > build a 64
> > >> bit kernel to boot on the cobalt. Ya, I know why, building a N32
> > >> actually but need a 64 bit kernel in order to do that. Anyone got any
> > >> suggestions. Looking through the difference between the kernels to
> > >> figure this out, but it's like looking for a needle in a haystack. 
> > Any
> > >> suggestions as to a starting point?
> > >>
> > >
> > > Try git-bisect to track down the changeset that broke things.
> > >
> > >   Ralf
> > >
> > >
> > We got it nailed down to arch/mips/kernel /setup.c. But we have not
> > isolated which change is actually causing it.
> Do you use any initrd ? If so how do you pass its address to the kernel ?
No.
> What is your kernel load address ?
Not sure
> can you send your .config file you're using ?
I'll send it to you later, since I'm not at the office right now.
> > We do know that reverting back to the 2.6.19.x arch/mips/kernel /setup.c
> > will fix the issue. We will continue to dwindle it down until we come up
> > with the offender.
> What did the console say ? If nothing early console may help if 
> available.
All I get is this
inflate: decompressing
elf64: 00080000 - 0037701f (ffffffff.80326000) (ffffffff.80000000)
elf64: ffffffff.80080000 (80080000) 2957446t + 151450t
net: interface down

> thanks