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SubjectRe: 2.6.27/2.6.28: irqbalance dies shortly after starting the daemon on x86 but not x86_64, why?
On Fri, Jan 02, 2009 at 07:32:21PM -0500, Justin Piszcz wrote:
> The CPU = E6700 so yep, so if there is one physical socket with 4 cores it
> keeps? For it to keep and not oneshot you need > 2 cores?

It depends... if your 4-core is laid out with four cores sharing one
external cache, then it will terminate, if, say you had 4 cores with
each pair sharing a cache (so two external caches) then it would
continue as a daemon. (If you had 2 sockets with a processor in each
one, it would continue running as well no matter how many cores on

If you run irqbalance --debug, it will show you the topology it detects.
If you have multiple cache domains, and it is still exiting, then we
have a bug. :)

cheers, Kyle

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