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

From: Ingo Molnar
Date: Wed Nov 17 2004 - 07:44:25 EST



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

> > > I had rtc_wakeup running with a rtc frequency of 8192 hz at the time
> > > plus some general usage (reading mails, etc..) In earlier kernels it
> > > seemed that the lock fell together with the rtc IRQ being piggy. will
> > > try to reproduce now with the freshest RP kernel.
>
> I am not all certain that there really is a correlation like this. It
> might have been coincidence. This boot locked again when i was in X
> for 1 minute for checking mails. So again no console output.

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.

Ingo
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