Messages in this thread | | | From | Jesse Barnes <> | Subject | Re: sched_domains + NUMA issue | Date | Sun, 29 Aug 2004 09:40:31 -0700 |
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On Sunday, August 29, 2004 4:18 am, Anton Blanchard wrote: > Hi, > > We are seeing errors in the sched domains debug code when SMT + NUMA is > enabled. Nathan pointed out that the recent change to limit the number > of nodes in a scheduling group may be causing this - in particular > sched_domain_node_span. > > It looks like ia64 are the only ones implementing a reasonable > node_distance, the others just do: > > #define node_distance(from,to) (from != to) > > On these architectures I wonder if we should disable the > sched_domain_node_span code since we will just get a random grouping of > cpus.
Hmm... for now that's probably a good idea. There's no CONFIG_NUMA_* value we could key off of to figure out if node_distance is sane, so it's probably our only option.
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