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SubjectRe: [ANNOUNCE] 3.6.6-rt17
On Fri, 21 Dec 2012, Mike Galbraith wrote:
> On Mon, 2012-11-12 at 22:28 +0100, Thomas Gleixner wrote:
> > Dear RT Folks,
> >
> > I'm pleased to announce the 3.6.6-rt17 release. 3.6.6-rt16 is just a
> > not announced update release to 3.6.6.
> >
> > Changes since 3.6.6-rt16:
> >
> > * Finally make the NOHZ softirq pending detection work with the new
> > softirq scheme.
>
> Well, almost. They gripe when rebooting, but I haven't seen one other
> than that. This is 3.6.11-rt23 on a 64 core DL980 I set up to run some
> latency tests on.

Yeah. It's not fixed completely. I know what it needs but thats major
surgery.

> [ 318.692463] kvm: exiting hardware virtualization
> [ 319.568482] Disabling non-boot CPUs ...
> [ 319.647819] NOHZ: local_softirq_pending 80
> [ 319.876148] NOHZ: local_softirq_pending 202
> [ 319.876172] NOHZ: local_softirq_pending 202
> [ 319.988912] NOHZ: local_softirq_pending 282
> [ 320.097066] NOHZ: local_softirq_pending 202
> [ 320.321428] NOHZ: local_softirq_pending 80
> [ 320.662601] NOHZ: local_softirq_pending 202
> [ 320.662637] NOHZ: local_softirq_pending 202
> [ 323.162636] NOHZ: local_softirq_pending 202
> [ 323.162649] NOHZ: local_softirq_pending 202
> [ 325.217675] Restarting system.
>
> Don't suppose you know why LAZY_PREEMPT would make 3.0-rt explode if you
> turn on wakeup_rt tracer do you?

No.

> I backported that and your softirq changes to 3.0. New softirq handling
> scheme work spiffy there, LAZY_PREEMPT works fine too.. until you turn
> tracing on, then it corrupts memory, and makes mushroom cloud.

I guess you are just trying to make up for the canceled apocalypse :)


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