[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
More information about the Linuxppc-dev
mailing list