From: Lee Revell <rlrevell@joe-job.com>
To: Dominique Dumont <domi.dumont@free.fr>
Cc: alsa-user <alsa-user@lists.sourceforge.net>,
Francesco Peeters <Francesco@FamPeeters.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [Alsa-user] Pb with simultaneous SATA and ALSA I/O
Date: Sat, 07 Oct 2006 13:08:34 -0400 [thread overview]
Message-ID: <1160240915.17615.57.camel@mindpipe> (raw)
In-Reply-To: <878xjs1geq.fsf@gandalf.hd.free.fr>
On Sat, 2006-10-07 at 14:03 +0200, Dominique Dumont wrote:
> Lee Revell <rlrevell@joe-job.com> writes:
>
> > Did you ever try the latency tracer? (See LKML archives for
> > instructions)
>
> Yes I did (this time better than 2 or 3 days ago :-/ ).
>
> - I compiled and booted 2.6.28-rt5 with latency tracer enabled
> - I verified that I got latency trace enabled (seen trace in kern.log)
>
> I only got some traces after running this (detail added for the sake
> of other newbies like me) :
>
> gandalf:/proc/sys/kernel# echo 0 > preempt_max_latency
>
> Here's the max latency trace I got (note that I got a similar trace
> *before* running the test, so I'd say it's unrelated to the AC3
> drop-out problem.):
I think it must be an electrical noise issue.
Lee
next prev parent reply other threads:[~2006-10-07 17:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-25 11:55 Pb with simultaneous SATA and ALSA I/O Dominique Dumont
2006-09-25 12:17 ` [Alsa-user] " Francesco Peeters
2006-10-05 20:42 ` Dominique Dumont
2006-10-05 20:45 ` Lee Revell
2006-10-05 21:01 ` Dominique Dumont
2006-10-05 21:12 ` Lee Revell
2006-10-05 21:50 ` Alan Cox
2006-10-08 10:38 ` PCM distorsion snapshots from SATA/ALSA conflict (was: [Alsa-user] Pb with simultaneous SATA and ALSA I/O) Dominique Dumont
2006-10-08 16:41 ` Lee Revell
2006-10-14 15:04 ` [Alsa-user] PCM distorsion snapshots from SATA/ALSA conflict Dominique Dumont
2006-10-05 21:18 ` [Alsa-user] Pb with simultaneous SATA and ALSA I/O Lee Revell
2006-10-07 12:03 ` Dominique Dumont
2006-10-07 17:08 ` Lee Revell [this message]
2006-10-05 21:52 ` Alan Cox
2006-10-05 21:45 ` Lee Revell
2006-09-25 14:38 ` Lennart Sorensen
2006-09-25 14:50 ` Lee Revell
2006-09-26 14:29 ` Thierry Vignaud
2006-09-26 14:37 ` Dominique Dumont
2006-09-26 14:44 ` Lee Revell
2006-10-04 10:45 ` [Alsa-user] " Dominique Dumont
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