Re: PROBLEM: sound is stutter, sizzle with lasts kernel releases

From: Pavel Machek (pavel@ucw.cz)
Date: Wed Dec 04 2002 - 06:11:53 EST


Hi!

> >>I was thinking about a problem with my chipset (AMD760MPX, motherboard
> >>tyan tiger MPX); because I have done some tests on a PC with a matrox
> >>G200 PCI and a sound blaster live, with a chipset via KT333 and the
> >>problem doesn't seems to occur. Is it possible?
> >
> >
> >Could be - the newer kernel supports IDE DMA, and in my experience the
> >AMD76x has serious fairness problems (I gave up using it for video
> >capture)
> >
>
> This doesn't reassure me :-) but I didn't get the choice for an SMP
> machine with some athlon processors.
>
> Note that I am also able to use IDE DMA with the kernel 2.4.8 (ie hdparm
> -d 1 /dev/hd. works)
>
>
> So now, do you want me to try other kernel version in order to find in
> what version the problem appeared?

Try turning off power managment... CONFIG_ACPI and CONFIG_APM off. If
it helps, your power supply is just not good enough.
                                                                Pavel

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