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Date: Wed, 23 Jan 2008 11:04:13 +0900
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH 0/2] Relax restrictions on setting CONFIG_NUMA on x86
Cc: kosaki.motohiro@jp.fujitsu.com, mingo@elte.hu, linux-mm@kvack.org,
       linux-kernel@vger.kernel.org, apw@shadowen.org
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Hi mel

> Hi 
> 
> > A fix[1] was merged to the x86.git tree that allowed NUMA kernels to boot
> > on normal x86 machines (and not just NUMA-Q, Summit etc.). I took a look
> > at the restrictions on setting NUMA on x86 to see if they could be lifted.
> 
> Interesting!
> 
> I will test tomorrow.

Hmm...
It doesn't works on my machine.

panic at booting at __free_pages_ok() with blow call trace.

[<hex number>] free_all_bootmem_core
[<hex number>] mem_init
[<hex number>] alloc_large_system_hash
[<hex number>] inode_init_early
[<hex number>] start_kernel
[<hex number>] unknown_bootoption

my machine spec
	CPU:   Pentium4 with HT
	MEM:   512M

I will try more investigate.
but I have no time for a while, sorry ;-)


BTW:
when config sparse mem turn on instead discontig mem.
panic at booting at get_pageblock_flags_group() with below call stack.

free_initrd
	free_init_pages
		free_hot_cold_page



- kosaki