Re: jack, PREEMPT_DESKTOP, delayed interrupts?

Fernando Lopez-Lezcano
2005-09-28T16:29:21Z

On Wed, 2005-09-28 at 11:38 +0200, Ingo Molnar wrote:
> * Karsten Wiese <annabellesgarden@yahoo.de> 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?

Last time I tried a PREEMPT_RT (not that long ago) I was not able to
boot into it, it was failing very very early in the boot sequence. I
could try again if it would be valuable.

-- Fernando