linux-kernel - Re: [PATCH 0/2] Relax restrictions on setting CONFIG

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Message-ID: <20080123102222.GA21455@csn.ul.ie>
Date:	Wed, 23 Jan 2008 10:22:23 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	mingo@...e.hu, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	apw@...dowen.org
Subject: Re: [PATCH 0/2] Relax restrictions on setting CONFIG_NUMA on x86

On (23/01/08 11:04), KOSAKI Motohiro didst pronounce:
> 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
> 

To rule it out, can you also try with the patch below applied please? It
should only make a difference on sparsemem so if discontigmem is still
crashing, there is likely another problem. Assuming it crashes, please
post the full dmesg output with loglevel=8 on the command line. Thanks

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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