registry team mailing list archive

[Brian Rogers <brian@xxxxxxxx>]

It looks like nohz_ratelimit will be reverted for 2.6.35, which is
essentially the change included in the power2 kernel. But the power2
kernel also includes changes scheduled for 2.6.36. So to ensure that the
revert alone is enough to solve the problem, I'm uploading a power3
kernel with only the revert.

If the power3 kernel is fine, then this will be solved in the final
2.6.35 kernel and therefore Maverick.

Now the bad news: this fix can't be backported to Lucid's 2.6.32 because
it's simply the removal of something added after 2.6.32. In other words,
Lucid suffers from this problem for a different reason. On the bright
side, it's apparently something that was fixed later, so it should be
possible to look at post-2.6.32 scheduler changes and find a fix.

-- 
Tens of wakes per second in "[kernel scheduler] Load balancing tick" on Core 2 Duo even with only 1 core enabled
https://bugs.launchpad.net/bugs/524281
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