Re: [PowerPC] 2.6.30-git14 boot failure with SLAB

[Benjamin Herrenschmidt]

On Fri, 2009-06-19 at 22:36 +0530, Sachin Sant wrote:
> The offending commit seems to be
> c868d550115b9ccc0027c67265b9520790f05601.
> mm: Move pgtable_cache_init() earlier
> 
> If i revert this commit, the machine boots fine.

That is strange. If I revert that commit, I get breakages on machines
here. It would be interesting to understand what the problem is here,
as we -do- use that kmem cache for allocating page tables, so we do
need it initialized that early. (IE, we can't allow vmalloc for example
to be called before the page table caches are initialized).

This will need more debugging and understanding as to why it hangs.

Cheers,
Ben.


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