Re: jack, PREEMPT_DESKTOP, delayed interrupts?

From: Ingo Molnar
Date: Wed Sep 28 2005 - 04:38:23 EST



* Karsten Wiese <annabellesgarden@xxxxxxxx> wrote:

> > latency: 10852 us, #70/70, CPU#0 | (M:preempt VP:0, KP:1, SP:1 HP:1

> > softirq--8 0Dnh4 9901us : trace_change_sched_cpu (1 0 0)
>
> Maybe your ethernet device is getting in the way.
> Do you also get jack dropouts with ethernet chip disabled,
> it's Module unloaded?

also, the M:preempt suggests that it's not a PREEMPT_RT kernel but a
PREEMPT_DESKTOP kernel. Do the dropouts happen even with a PREEMPT_RT
kernel?

Ingo
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