[Bug 28106] radeon KMS causes hardware conflict/interference with Intel wifi and audio, crashes wireless

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28106

--- Comment #63 from Neven <nklacar at gmail.com> 2012-02-15 23:31:58 PST ---
(In reply to comment #62)
> Looks like this will never get solved ;( 
> 
> If anyone has ideas on how to debug this issue, I have a t60 that I can use.

I tried enabling msi on alsa and its alot better. Still fulscreen is not good, but much sounds like 11.04 

Add: options snd-hda-intel enable_msi=1" to the bottom of your /etc/modprobe.d/alsa-base file.

I think radeon is somehow not playing nice with msi. If we could disable it it might fix the problem...I tried doing it with echo 0 > msi_bus in the radeon
bridge but it wasnt working

--- Comment #64 from Alex Deucher <agd5f at yahoo.com> 2012-02-16 07:42:37 PST ---
With a new enough kernel, you can disable MSIs on radeon by setting radeon.msi=0 on the kernel command line in grub or when you load the module.  You can
disable MSIs globally by setting pci=nomsi on the kernel command line in grub.

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