Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.27-3

[Ingo Molnar]

* Florian Schmidt <mista.tapas@xxxxxxx> wrote:

> > managed to reproduce the lockup on my testbox, using your .config,
> > running rtc_wakeup -f 8192 and starting X. Hard hang and i had IRQ1 at
> > prio 99. Will turn on the NMI watchdog now, hopefully this lockup will
> > stay easy to reproduce.
> 
> Hi,
> 
> i experienced another one. But as i stayed on the console sysrq was
> available, so i can send you the last locks listed by sysrq-t.

i can now reproduce it at will. It's some sort of MM deadlock (infinite
pagefaults in rtc_wakeup), i'm debugging it now.

	Ingo
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