Re: [PATCH] Fix longstanding load balancing bug in the scheduler V2

From: Ingo Molnar
Date: Fri Sep 15 2006 - 05:53:33 EST



* Andrew Morton <akpm@xxxxxxxx> wrote:

> On Tue, 12 Sep 2006 11:37:55 -0700 (PDT)
> Christoph Lameter <christoph@xxxxxxx> wrote:
>
> > Fix longstanding load balancing bug in the scheduler V2.
> >
> > AFAIK this is an important scheduler bug that needs to go
> > into 2.6.18 and all stable release since the issue can stall the
> > scheduler for good.
>
> The timing is of course problematic. One approach could be to merge
> it into 2.6.19-early, backport into 2.6.18.x after a few weeks. I
> don't know if that's a lot better, really - it's unlikely that anyone
> will be running serious performance testing against 2.6.19-rc1 or
> -rc2.

with that release approach it's:

Acked-by: Ingo Molnar <mingo@xxxxxxx>

> I'm struggling to understand how serious this really is - if the bug
> is "longstanding" then very few machines must be encountering it?

yeah.

Ingo
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