How to debug PulseAudio problems

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Playback problems

The PulseAudio sound server was rewritten for Fedora 10 to use timer-based audio scheduling instead of the traditional interrupt-driven approach. Timer-based scheduling may expose issues in some ALSA drivers, often resulting in skipping audio.

If you are experiencing playback problems, try the following workaround, which turns off timer-based scheduling.

Replace the line:

load-module module-hal-detect

in /etc/pulse/default.pa with:

load-module module-hal-detect tsched=0

Please file a bug report, and note whether or not the workaround fixes the problem.