Radeon KMS msi issues.
nklacar at gmail.com
Fri Feb 17 00:30:11 PST 2012
Thanks, I will give this a try.
On Thu, Feb 16, 2012 at 1:57 AM, Michel Dänzer <michel at daenzer.net> wrote:
> On Mit, 2012-02-15 at 23:48 -0800, Neven Klacar wrote:
> > https://bugs.freedesktop.org/show_bug.cgi?id=28106
> > I was investigating the above bug, and for some reason radeon x1400
> > cards that use msi based interrupts, are conflicting in some way with
> > the msi interrupts used by the sound card and wifi chip. Doing
> > anything display intensive will drop the wifi connection and make
> > really choppy sound.
> > How can I disable msi on the radeon driver? Can it be turned off/on
> > via a conf file? I tried echo 0 to msi_bus in /sys/bus/pci/devices/**/
> > but it didnt work.
> > If I have to recompile the source where do I disable it?
> See commit a18cee15ed4c8b6a35f96b7b26a46bac32e04bd9 : With current
> kernels (at least as of 3.2), you can disable MSI with radeon.msi=0.
> Otherwise you can modify the radeon_msi_ok function to return false.
> Earthling Michel Dänzer | http://www.amd.com
> Libre software enthusiast | Debian, X and DRI developer
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