Re: [PATCH -tip] v9 scalable classic RCU implementation

[Paul E. McKenney]

On Wed, Dec 03, 2008 at 02:10:42AM +0100, Andi Kleen wrote:
> > On Power, I see a hang in all three flavors of RCU when CPU hotplug
> > is enabled and dynticks is not.  I have not yet seen this hang on x86.
> > On Power, the hang occurs in the CPU-offline code, and is identical to
> > the hangs I was seeing in 2.6.27, except that "sleep 1" does not hang
> > in recent 2.6.28 versions.  So the timeout is apparently failing to fire
> > (or being ignored) for some other reason.
> > 
> > Is this similar to what you are seeing on x86?
> 
> Yes it is.

OK, then I will consider them to be the same bug for the moment.

							Thanx, Paul
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