On Wed, 4 Aug 2010, Christoph Lameter wrote:

quoted text
> > This insta-reboots on my netperf benchmarking servers (but works with
> > numa=off), so I'll have to wait until I can hook up a serial before
> > benchmarking this series.
> 
> There are potential issues with
> 
> 1. The size of per cpu reservation on bootup and the new percpu code that
> allows allocations for per cpu areas during bootup. Sometime I wonder if I
> should just go back to static allocs for that.
> 
> 2. The topology information provided by the machine for the cache setup.
> 
> 3. My code of course.
> 

I bisected this to patch 8 but still don't have a bootlog.  I'm assuming 
in the meantime that something is kmallocing DMA memory on this machine 
prior to kmem_cache_init_late() and get_slab() is returning a NULL 
pointer.
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