Messages in this thread | | | Subject | Re: CM8738 audio hampering while playing video on G450 PCI graphic card | From | Lee Revell <> | Date | Fri, 11 Nov 2005 22:00:43 -0500 |
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On Sat, 2005-11-12 at 02:41 +0100, Mark Hurenkamp wrote: > Now whenever there's a lot of activety (like scrolling down when I'm > browsing on a news site like slashdot, or playing video) on the G450 (both in > accelerated mode, as well as in unaccelerated framebuffer mode), the audio > (onboard CMedia) starts to hamper. This happens regardless wether I'm using > alsa, or oss. (using mplayer to play an mp3, but also with DivX movies > the same problem occurs).
Sounds like a "singing capacitor". Check the LKML archives.
It's fundamentally a hardware problem caused by vendor greed which leads them to cheap out on components, compounded by only testing on Windows which has a dynamic timer tick.
This can often be worked around by setting HZ=100 but you'll take a performance and timing granularity hit.
Lee
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