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[Bug 579901] One of n CPUs idle, if one process with nice 0 and n-1 processes with nice 19
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 28 Sep 2010 09:24:59 +0000
  • Message-id: <20100928092459.41A2C245520@xxxxxxxxxxxxxxxxxxxxxx>

https://bugzilla.novell.com/show_bug.cgi?id=579901

https://bugzilla.novell.com/show_bug.cgi?id=579901#c9


--- Comment #9 from Mike Galbraith <mgalbraith@xxxxxxxxxx> 2010-09-28 09:24:57
UTC ---
I received some mail this morning that reminded me of this bnc (actually, I was
looking for a different one, but found this, which looks like the same issue).

A three patch series was posted to address imbalance when using SCHED_IDLE, but
that shouldn't matter, weight is weight. I've built it in mainline, will see I
can reproduce the problem in SLES11, and whether this cures it.

http://lkml.org/lkml/2010/9/27/546

The conversation turn-around on this thread/issue has been kinda slow, but
ongoing.

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