Re: hdd & sound

Joe Cotellese (joec@ensoniq.com)
Mon, 16 Aug 1999 08:25:59 -0400


I'd like to add my 2cents FWIW.

1) I don't believe it's hardware. I agree that too may people are seeing this
with different hardware.

2) I'm not so sure it's specific to any one driver. I've been working on the
ES1371 driver for about a month now (this was also my first experience with
Linux and sound) and immediately noticed the problems described in this thread.
For me renicing didn't seem to do anything.

I'm trying to play around with things in the driver to see if they make any
difference. If I come up with any useful information I'll post it.

Regards,
Joe C.

/*******************************
Joe Cotellese Software Engineer
Creative Labs, Malvern
610 647 3930(p) 610 647 8908(f)
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On Wed, 11 Aug 1999, Mike wrote:
> On Sat, 7 Aug 1999, Wakko Warner wrote:
>
> > I'm noticing this one one of my machines. When writing to a hard drive, the
> > sound drags. The machine I'm on has piix4 ide and an isa scsi card. I'm
> > playing sounds from the drive on the scsi card (aha1510 I think is the scsi
> > card). I tried writing to both an ide and scsi drive, both drag the sound.
> > Sound card is an SB16 pnp /w ide port (not disablable unfortunately). I had
> > a similar problem on an isa ide card playing sounds off of the hard drive
> > (like 44k 16bit 2ch sound off the drive, sound card was an ess card). My
> > home box that this is happneing on is 2.2.7. The one with the isa ide is no
> > longer active, but it was running 2.0.36.
> >
> I see much the same thing under (extremely) heavy disk load, both on
> onboard piix4 ide, and on an onboard aic7??? scsi.
>
> Things it isn't:
> hardware - too many people are seeing the same thing for that
> driver specific - it happens on both ide and scsi, and with both sb and
> ess cards
> anything blindingly obvious
>
> Currently I suspect something evil either in sound_core.c or sound_timer.c
> or (more likely) something scheduler related, but this is wild guessing. Any
> ideas?
>
> --
> Mike <rickettm@ox.compsoc.net>
>
> Q: What's yellow, and equivalent to the Axiom of Choice?
> A: Zorn's Lemon.
>
>
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