Comment 167 for bug 445849

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xtknight (xt-knight) wrote : Re: Highpitched Rattling like Sound with 5.1 Surround Configuration on Karmic Koala

Jerther:

Okay, yup, I have the same exact bug. And yes this fixes it for me with no side effects. I've been using 5.1 mode for a week or more, in games that use alsa emulation mode, gstreamer apps, and pretty much everything, with nary a problem. And there is no buzzing.

Yea as for your install log looks, it looks perfectly fine. You're doing it even better than I did in the script.

Wow that's pretty strange. Disabling SIMD optimizations shouldn't do that. But it's hard to know when the developers aren't telling us, isn't it? lol! I don't recall them mentioning problems like this earlier, though.

Yeah I would recommend you try PULSE_NO_SIMD=1. You need to make sure you know how to kill pulseaudio before it starts again, and the only way I know is to either have really, really fast fingers or use autospawn = no then killall pulseaudio (a COUPLE times so it reads the new config? idk), lol. Bottom line, make sure it's actually using the flag. Putting it in bashrc didn't do it for me, even. It's beyond me why this isn't just something in the client/conf file, but hey, who wants consistency or an option that's easy to adjust? That would take the fun out of things. I mean come on, you can have contests for how fast people can kill pulseaudio and try to start it manually again.

If PULSE_NO_SIMD=1 works but my patch doesn't...well I suppose we'll deal with that when we find out for sure!

Thanks for the time you have put into this, and dealing with several possibly incompetent developers, myself included.