https://www.rtems.org/bugzilla/show_bug.cgi?id=2183

--- Comment #4 from Sebastian Huber <[email protected]> 
2014-06-24 09:04:02 CDT ---
(In reply to comment #3)
> No. I don't think we have seen it looping infinitely. Just weird end results
> where logically the scheduler wants to migrate a thread but it ends up with it
> running on two processors. We are narrowing in on that and it sounds like a
> completely different problem.

Do you see this problem on a real RTEMS target or on the scheduler simulator?

> 
> I was concerned because the non-affinity scheduler avoids ever moving a thread
> to another core but scheduler and affinity changes result in migration of
> executing threads.

The migrations work quite well in general except for the problem in this bug
report, see for example smptests/smpmigration02.

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