Re: [Xen-devel] v3.3-rc1, regression introduced by "sched, nohz: Implement sched group, domain aware nohz idle load balancing" when unplugging CPUs.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Jan 23, 2012 at 04:10:51PM -0500, Konrad Rzeszutek Wilk wrote:
> On Mon, Jan 23, 2012 at 10:00:49PM +0100, Peter Zijlstra wrote:
> > On Mon, 2012-01-23 at 15:56 -0500, Konrad Rzeszutek Wilk wrote:
> > > Not exactly sure how this patch does it, but with this git commit
> > > 0b005cf54eac170a8f22540ab096a6e07bf49e7c, the Linux kernel crashes
> > > if I try to hot unplug VCPUs to the first (initial) domain.
> > > This is found using git bisection, and if I use the kernel compiled
> > > with 69e1e811dcc436a6b129dbef273ad9ec22d095ce (the previous commit)
> > > it works nicely. 
> > 
> > https://lkml.org/lkml/2012/1/19/463
> > 
> > is already on its way...
> 
> Oh, somehow I thought the mce check fixes were already in v3.3-rc1.
> My apologies and will take that patch on a test-spin.

Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Thanks!

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