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| 3.2. What should I do if I have poor quality sound (pops, clicks and squeaks) - particularly when dragging or scrolling windows? This is caused by X writing blindly to the video card's instruction queue without checking to see if the queue is full. This will lock the PCI bus for about 40 - 50 audio cycles, causing pops, clicks and squeaks. The via82cxxx_audio driver is still somewhat fragile, so it is possible that some applications will fault ungracefully if the bus is disrupted badly enough (e.g. with SDL applications). You can make X play nicely with the PCI bus by adding Option "PciRetry" "true" to the "Device" stanza. Nasty pops and glitches will go away, and system stability will be much improved. |
