[LAU] eeepc 4G and ALSA underrun

Clemens Ladisch clemens at ladisch.de
Tue Jul 21 08:40:11 EDT 2009

ben wrote:
> i own an eeepc 4G (701) but ALSA makes a lot for underrun withe de Intel
> soundcard (snd_hda_intel). Surprisingly, using the OSS emulation works
> better.

The OSS emulation uses the same ALSA API internally; you should get the
same behaviour if you configure your application, whatever it is, to use
the same buffer/period sizes for ALSA as it uses for OSS.

> Is it possible to tell to snd_hda_intel to force the useof the
> soundecard in a better IRQ ?

No, I/O-APIC interrupts (above 15) are hardwired.

Best regards,

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