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SubjectRe: Slab panic on 2.6.19-rc3-git5 (-git4 was OK)
Andrew Morton wrote:
> On Sat, 28 Oct 2006 22:57:48 -0700
> "Martin J. Bligh" <mbligh@google.com> wrote:
>
>> -git4 was fine. -git5 is broken (on PPC64 blade)
>>
>> As -rc2-mm2 seemed fine on this box, I'm guessing it's something
>> that didn't go via Andrew ;-( Looks like it might be something
>> JFS or slab specific. Bigger PPC64 box with different config
>> was OK though.
>>
>> Full log is here: http://test.kernel.org/abat/59046/debug/console.log
>> Good -git4 run: http://test.kernel.org/abat/58997/debug/console.log
>>
>> kernel BUG in cache_grow at mm/slab.c:2705!
>
> This?
>
> --- a/mm/vmalloc.c~__vmalloc_area_node-fix
> +++ a/mm/vmalloc.c
> @@ -428,7 +428,8 @@ void *__vmalloc_area_node(struct vm_stru
> area->nr_pages = nr_pages;
> /* Please note that the recursion is strictly bounded. */
> if (array_size > PAGE_SIZE) {
> - pages = __vmalloc_node(array_size, gfp_mask, PAGE_KERNEL, node);
> + pages = __vmalloc_node(array_size, gfp_mask & ~__GFP_HIGHMEM,
> + PAGE_KERNEL, node);
> area->flags |= VM_VPAGES;
> } else {
> pages = kmalloc_node(array_size,
> _

/me shoves it into the tests... results in a couple of hours.

-apw


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