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FromNeil Brown <>
DateTue, 16 Mar 2004 16:03:57 +1100
SubjectRe: 2.6.4-mm1 - 4g patch breaks when X86_4G not selected
On Monday March 15, akpm@osdl.org wrote:
> 
> That is useful, thanks.  Sorry about the hassle.
> 
> Calling page_address_init() earlier isn't the fix though - pmd pages aren't
> in highmem so we should never have got that far.  Looks like the pgd or the
> pmd page contains garbage.  Did you try it without
> CONFIG_DEBUG_SLAB?

Without CONFIG_DEBUG_SLAB, it boots OK.

> 
> Nick was seeing slab 0x6b patterns on the NUMAQ, inside the pmd, so there's
> some consistency there.  We do have one early setup fix from Manfred, but
> it's unlikely to cure this.
> 
> I'll have a play with your .config, see if I can reproduce it.  If not I'll
> squeeze off -mm3 and would ask you to retest on that if poss.

When it comes, I'll test it.

thanks,
NeilBrown
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