From: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
To: Ingo Molnar <mingo@elte.hu>
Cc: nando@ccrma.Stanford.EDU,
Karsten Wiese <annabellesgarden@yahoo.de>,
linux-kernel@vger.kernel.org
Subject: Re: jack, PREEMPT_DESKTOP, delayed interrupts?
Date: Wed, 28 Sep 2005 09:29:07 -0700 [thread overview]
Message-ID: <1127924947.24916.1.camel@cmn3.stanford.edu> (raw)
In-Reply-To: <20050928093846.GA30962@elte.hu>
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
next prev parent reply other threads:[~2005-09-28 16:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-26 19:08 Karsten Wiese
2005-09-28 9:38 ` Ingo Molnar
2005-09-28 16:29 ` Fernando Lopez-Lezcano [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-08-31 2:03 Fernando Lopez-Lezcano
2005-08-31 2:39 ` Lee Revell
2005-08-31 5:12 ` Fernando Lopez-Lezcano
2005-08-31 7:35 ` Ingo Molnar
2005-08-31 15:08 ` Fernando Lopez-Lezcano
2005-09-26 17:59 ` Fernando Lopez-Lezcano
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