Re: preempt-rt, NUMA and strange latency traces

[Sébastien Dugué]

On Wed, 2006-02-08 at 11:25 +0100, Ingo Molnar wrote:
> * Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> > >   I've been experimenting with 2.6.15-rt16 on a dual 2.8GHz Xeon box
> > > with quite good results and decided to make a run on a NUMA dual node
> > > IBM x440 (8 1.4GHz Xeon, 28GB ram).
> > >
> > >   However, the kernel crashes early when creating the slabs. Does the
> > > current preempt-rt patchset supports NUMA machines or has support
> > > been disabled until things settle down?
> > 
> > Yeah, currently the -rt patch doesn't work well with NUMA.
> 
> FYI, i've got a new port of upstream slab.c to -rt, which should work on 
> NUMA too. It'll be in -rt17 (later today or tomorrow).
> 
> 	Ingo

  Great, I sure will try it.

  Thanks.

  Sébastien.


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