Re: [BUG] 2.6.x ALSA sound is pretty broken

[Takashi Iwai <tiwai@suse.de>]

At Fri, 18 Jun 2004 16:03:53 +0200,
Hetfield wrote:
> 
> i've got hard problems with sound in all 2.6.x, even 2.6.7 kernels.
> 
> with 2.4.2x or windows i've got no problems, so i'm sure it's kernel and
> not hardware related.
> 
> the problem is that sound jumps, flickers and isn't good when harddisk
> reads lots of data (i mean not 1-2mb but 60-100mb and more)
> 
> i checked irq and there is not conflict, i setted a higher and lower
> value of latency and nothing changed.

It's a known problem with this hardware.
Since the ALSA code isn't change, I suspect the problem is somewhere
else, e.g. in the IDE driver code...

--
Takashi Iwai <tiwai@suse.de>		ALSA Developer - www.alsa-project.org

> 
> i've the same problems since 2.6.0 kernels. Vanilla and Gentoo too.
> I've tried lots of solutions, like disabling preemptile kernel, adding
> alsa and oss, only oss, only alsa, as module or built-in.
> nothing changes.
> 
> my audio card is a Creative SB PCI128, found by linux as
> 
> 
> 0000:00:0b.0 Multimedia audio controller: Ensoniq ES1370 [AudioPCI] (rev
> 01)
>         Subsystem: Unknown device 4942:4c4c
>         Flags: bus master, slow devsel, latency 32, IRQ 10
>         I/O ports at b000
> 
> while on Windows i use es1371/3 drivers.
> however with 2.4.x i always used es1370 alsa module without problems.
> When harddisk is sleeping sound is normally good.