Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.6.8

[Ingo Molnar]

* Mark_H_Johnson@xxxxxxxxxxxx <Mark_H_Johnson@xxxxxxxxxxxx> wrote:

> >The only other way for the NMI watchdog to
> >trigger is if for whatever reason the local APIC timer interrupts are
> >not getting through and the NMI ticks (which come via a different
> >interrupt pin) get through.
> 
> The other symptoms I was seeing appeared to be timer related
>  - never returned from "sleep 1s" in the shell script
>  - "ps -fe" worked fine, but "top" did not
> You may be on to something here.

was this already in the default bootup, or only after the crash
happened? Does this also happen if you chrt ksoftirqd to FIFO prio 1? 
Does the 'LOC' count increase for both cpus in /proc/interrupts?

	Ingo
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