> Hmm. The crash came back after I booted into Mac OS X and back. It was however
quoted text
> a different crash, I believe it was coming from the USB modules (as it would
> keep going when it happened, and get another crash, which tended to scroll away
> too fast for me to capture) but I believe it was still getting down into the
> slab code and actually dying there.

Have you tried, instead, to apply
38f3323037de22bb0089d08be27be01196e7148b ? (That is revert
39d61db0edb34d60b83c5e0d62d0e906578cc707).

I suspect this is the proper fix...

Ben.

quoted text
> However, reverting the reversion of
> 8d610dd52dd1da696e199e4b4545f33a2a5de5c6 and instead applying
> the following patch:
> 
> diff -ru linux-source-2.6.20.orig/arch/powerpc/mm/init_32.c linux-source-2.6.20/arch/powerpc/mm/init_32.c
> --- linux-source-2.6.20.orig/arch/powerpc/mm/init_32.c  2007-02-05 05:44:54.000000000 +1100
> +++ linux-source-2.6.20/arch/powerpc/mm/init_32.c       2007-03-10 11:03:56.000000000 +1100
> @@ -244,7 +244,8 @@
>  void free_initrd_mem(unsigned long start, unsigned long end)
>  {
>         if (start < end)
> -               printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
> +               printk ("NOT Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
> +       return;
>         for (; start < end; start += PAGE_SIZE) {
>                 ClearPageReserved(virt_to_page(start));
>                 init_page_count(virt_to_page(start));
> 
> which if I recall correctly David Woodhouse posted to this thread,
> seems to have fixed it.
> 
> I dunno if it's relevant, but my initrd.img is 13193315 bytes long,
> (ie 99 bytes over 12884k) and the above logs:
> "NOT Freeing initrd memory: 12888k freed"
> which makes sense...
> 
> I of course completely failed to think to check this with the crashing
> kernel, if it seems relevant I can roll back to it and get the numbers.
> 

-
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