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Date: Wed, 03 Sep 2014 15:39:41 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] Xenomai/Ipipe on arm with LPAE enabled not booting -
 now with crash message
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To: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: xenomai@xenomai.org

On 09/03/2014 03:21 PM, Lennart Sorensen wrote:
> On Wed, Sep 03, 2014 at 08:54:22AM -0400, Lennart Sorensen wrote:
>> OK so far I have:
>>
>> static noinline struct kmem_cache_node *free_debug_processing(
>>         struct kmem_cache *s, struct page *page, void *object,
>>         unsigned long addr, unsigned long *flags)
>> {
>>         struct kmem_cache_node *n = get_node(s, page_to_nid(page));
>>
>> pr_info("n: %p flags: %p\n", n, flags);

The next thing to do is to check the get_node and page_to_nid code to
see how this can result in a NULL pointer. Even before that, is the page
pointer valid?

-- 
                                                                Gilles.