Re: kmem_cache_alloc panic in 3.10+

[David Rientjes]

On Fri, 31 Jan 2014, dormando wrote:

> > CONFIG_SLUB_DEBUG_ON will definitely be slower but can help to identify
> > any possible corruption issues.
> >
> > I'm wondering if you have CONFIG_MEMCG enabled and are actually allocating
> > slab in a non-root memcg?  What does /proc/self/cgroup say?
> >
> 
> /proc/self/cgroup is empty on these hosts. CONFIG_MEMCG is enabled though.
> 

It _looks_ like the cmpxchg_double() so seeing if there is anything else 
funny going on with CONFIG_SLUB_DEBUG_ON would definitely be helpful; 
otherwise, try using CONFIG_SLAB is Eric suggested and seeing if the 
problem goes away.
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