linux-kernel - Re: crash in kmem_cache

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Date:	Fri, 18 Jan 2008 07:56:21 +0100
From:	Olaf Hering <olaf@...fle.de>
To:	Christoph Lameter <clameter@....com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Linux MM <linux-mm@...ck.org>
Subject: Re: crash in kmem_cache_init

On Thu, Jan 17, Olaf Hering wrote:

> On Thu, Jan 17, Christoph Lameter wrote:
> 
> > On Thu, 17 Jan 2008, Olaf Hering wrote:
> > 
> > > The patch does not help.
> > 
> > Duh. We need to know more about the problem.
> 
> cache_grow is called from 3 places. The third call has cleared l3 for
> some reason.

Typo in debug patch.

calls cache_grow with nodeid 0
> [c00000000075bbd0] [c0000000000f82d0] .cache_alloc_refill+0x234/0x2c0
calls cache_grow with nodeid 0
> [c00000000075bbe0] [c0000000000f7f38] .____cache_alloc_node+0x17c/0x1e8

calls cache_grow with nodeid 1
> [c00000000075bbe0] [c0000000000f7d68] .fallback_alloc+0x1a0/0x1f4

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