PowerMac8600 help ...

[Benjamin Herrenschmidt]

On Mon, 2010-11-08 at 10:43 -0600, kevin diggs wrote:
> 
> Sorry for the noise but I am having trouble getting the latest kernel
> built for a PowerMac8600 with a 750GX processor card. If this is not
> an appropriate topic for the list please tell me (and hopefully point
> me in the correct direction).
> 
> I have narrowed the problem down to the compiler. YDL 4.0 is installed
> on the machine. The stock compiler is 3.3.3. That version can NOT
> build past 2.6.28. I built 3.4.6, (the latest 3 series I could find).
> It can NOT build later kernel versions either. It can build Firefox
> 2.0.0.15pre, including powerpc thin lock support. Running it now.
> 
> I then tried 4.3.5. This will build the kernel. But the resulting
> kernel will NOT run. A firefox built with 4.3.5 also will not run. Or
> if it runs it crashes often (http://abcnews.com).
> 
> What really puzzles me is I used the same basic compiler boot
> strapping (3.3.3 to build 3.4.6, 3.4.6 to build 4.3.5) on a GiGE. That
> machine is now running 2.6.36.
> 
> The CFLAGS used were:  "-O2 -mcpu=7450 -mmultiple -mstring" for the
> GiGE (dual 7455s). Substitute 750 for the 8600.
> 
> Any suggestions would be appreciated. 

This is odd... I wonder if your 8600 is having some memory problems ?

Have you tried using the kernel/firefox built with 4.3.5 on the GigE and
booting them on the 8600 ?

3.x are ancient but I would expect 4.3.x to work just fine

Cheers,
Ben.