linux-kernel - Re: kernel BUG in __cache_alloc_node at linux-2.6.git/mm/slab.c:3177!

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Message-Id: <1161290304.8946.54.camel@farscape>
Date:	Thu, 19 Oct 2006 15:38:24 -0500
From:	Will Schmidt <will_schmidt@...t.ibm.com>
To:	Christoph Lameter <clameter@....com>
Cc:	Paul Mackerras <paulus@...ba.org>, akpm@...l.org,
	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: Re: kernel BUG in __cache_alloc_node at
	linux-2.6.git/mm/slab.c:3177!

On Thu, 2006-19-10 at 09:16 -0700, Christoph Lameter wrote:
> On Thu, 19 Oct 2006, Paul Mackerras wrote:
> 
> > Get cache descritor
> 
> Attempt to allocate the first descriptor for the first cache.
> 
> > __cache_alloc
> 
> Attempt to allocate from the caches of node 0 (which are empty on 
> bootstrap). We try to replenish the caches of node 0 which should have 
> succeeded. I guess that this failed due to no pages available on 
> node 0. This should not happen!

Is there a hook where we can see what/where the memory is going?  Does
it seem reasonable for all of the memory that is in node 0 to be
consumed? 
Mine appears to have... 
Node 0 MemTotal:       229376 kB
Node 0 MemFree:             0 kB
Node 0 MemUsed:        229376 kB

And one of Paul's earlier notes mentioned about a gig of ram on node0;

-Will



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