[MPC8xx] Initial MMU too low

Scott Wood scottwood at freescale.com
Tue Nov 2 04:58:28 EST 2010


On Sat, 30 Oct 2010 13:52:24 +0200
LEROY christophe <christophe.leroy at c-s.fr> wrote:

> Hello,
> 
> When I build a kernel with DEBUG_LOCK_ALLOC set, I get a kernel which 
> has __bss_stop above the C0800000 limit, and then I get a bad page 
> exception during the zeroize of the __bss at startup, because the 
> initial MMU only maps the first 8Mbytes.
> 
> What can I do to fix that ?

Under "Advanced setup", select "Pinned Kernel TLBs".  Ignore the "860
ONLY", it applies to all 8xx.

-Scott



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