[Bug 2183] Thread migration is broken on SMP

bugzilla-daemon at rtems.org bugzilla-daemon at rtems.org
Tue Jun 24 13:59:08 UTC 2014


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

--- Comment #3 from Joel Sherrill <joel.sherrill at oarcorp.com> 2014-06-24 08:59:08 CDT ---
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.

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.

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