From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] Xenomai/Ipipe on arm with LPAE enabled not booting - now with crash message
Date: Wed, 03 Sep 2014 15:39:41 +0200 [thread overview]
Message-ID: <54071A1D.6010101@xenomai.org> (raw)
In-Reply-To: <20140903132154.GJ17690@csclub.uwaterloo.ca>
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.
next prev parent reply other threads:[~2014-09-03 13:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-28 20:35 [Xenomai] Xenomai/Ipipe on arm with LPAE enabled not booting Lennart Sorensen
2014-08-28 20:40 ` Gilles Chanteperdrix
2014-08-28 20:47 ` Lennart Sorensen
2014-08-28 20:49 ` Gilles Chanteperdrix
2014-08-28 20:51 ` Lennart Sorensen
2014-08-28 20:53 ` Gilles Chanteperdrix
2014-08-28 21:41 ` Lennart Sorensen
2014-08-28 20:59 ` Gilles Chanteperdrix
2014-08-28 22:01 ` [Xenomai] Xenomai/Ipipe on arm with LPAE enabled not booting - now with crash message Lennart Sorensen
2014-08-28 22:13 ` Gilles Chanteperdrix
2014-08-28 23:16 ` Lennart Sorensen
2014-09-03 12:54 ` Lennart Sorensen
2014-09-03 13:21 ` Lennart Sorensen
2014-09-03 13:39 ` Gilles Chanteperdrix [this message]
2014-09-03 14:29 ` Lennart Sorensen
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