I'm experiencing the same problem (snd-hda-intel). The crackling isn't OGG exclusive; almost everything that SDL_mixer does is affected, and the problem is "fixed" by setting the volume to 100%.
I'm experiencing the same problem (snd-hda-intel). The crackling isn't OGG exclusive; almost everything that SDL_mixer does is affected, and the problem is "fixed" by setting the volume to 100%.