From: Lee Revell <rlrevell@joe-job.com>
To: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: Dominique Dumont <domi.dumont@free.fr>,
linux-kernel <linux-kernel@vger.kernel.org>,
alsa-user <alsa-user@lists.sourceforge.net>
Subject: Re: Pb with simultaneous SATA and ALSA I/O
Date: Mon, 25 Sep 2006 10:50:59 -0400 [thread overview]
Message-ID: <1159195859.2899.72.camel@mindpipe> (raw)
In-Reply-To: <20060925143838.GQ13641@csclub.uwaterloo.ca>
On Mon, 2006-09-25 at 10:38 -0400, Lennart Sorensen wrote:
> Well i agree with the suggestion of trying a different PCI slot for
> the sb live. There is so much onboard stuff sharing interrupts on
> those boards that you might have problems because of that. Creative
> cards are not very good at dealing with anything other than ideal
> conditions from what I have gathered over the years. The manual for
> the board will tell you which IRQ goes to which slot, and I guess you
> want to avoid using a slot that shares with the SATA controller.
It might not be interrupt related, it could be DMA starvation. This has
been observed with some SATA controllers while testing the -rt patches.
The symptom is that the latency traces show the machine going in "slow
motion".
Dominique: try the -rt kernel, enable latency tracing and post the
output.
Lee
next prev parent reply other threads:[~2006-09-25 14:50 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
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 [this message]
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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