[pulseaudio-discuss] Skips and latency issues on VIA VT1708S

Sergey Shpikin rkfg at rkfg.me
Fri Apr 17 01:57:02 PDT 2015

2015-04-17 11:50 GMT+03:00 Alexander E. Patrakov <patrakov at gmail.com>:

> PulseAudio, by default, does not use periods at all, and instead relies on
> 100% reliable system timer interrupts. Since your system loses audio
> interrupts, I guess that it can lose timer interrupts, too.

Most probably, yes. I also tried using dmix and surprisingly noticed
several skips. Rewound the audio and heard no skip the second time so it's
not the record artefact. Such artefacts are pretty common so I double check
if I hear a playback glitch.

> The real problem with your bugzilla entry and the mailing list post is
> that they are not the correct place for your bug. It is not a PulseAudio
> bug, that's why you had no useful feedback from PulseAudio developers. It
> is a kernel bug that should be reported to the kernel bugzilla, where there
> are much more people familiar with interrupt setup details of your board.
> The key words to use when filing it are "lost interrupts", and, of course,
> feel free to add a link to your freedesktop bug.

Thanks for your help, will do that.

> --
> Alexander E. Patrakov
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> pulseaudio-discuss mailing list
> pulseaudio-discuss at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
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