[pulseaudio-tickets] [Bug 87202] Strong noise (unintelligible) when playing through the analog output using mmap

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87202

--- Comment #6 from Mario Sanchez Prada <msanchez at gnome.org> ---
(In reply to David Henningsson from comment #4)
> Ah, actually I remember a noise once appearing after changing the volume
> constantly for a while. This was for an AMD Hudson chip though, so not sure
> if it is related, but feel free to try 
> 
> option snd-hda-intel enable_msi=0
> 
> ...same procedure as when you tried the position fix stuff (reboot to test).

I've tried that too, but did not work either. Thanks for the tip anyway, that's
something I certainly hadn't tried yet.

I'm now in the process of carefully checking the mmap path (down into the
kernel if needed too) to see whether I can figure out the culprit at a more
fine-grained level.

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