Thanks, I will give this a try. ~Neven <div class="gmail_quote">On Thu, Feb 16, 2012 at 1:57 AM, Michel Dänzer <<a href="mailto:michel@daenzer.net">michel@daenzer.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">On Mit, 2012-02-15 at 23:48 -0800, Neven Klacar wrote: > <a href="https://bugs.freedesktop.org/show_bug.cgi?id=28106" target="_blank">https://bugs.freedesktop.org/show_bug.cgi?id=28106</a> > > 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? </div></div>See commit a18cee15ed4c8b6a35f96b7b26a46bac32e04bd9 [0]: 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. [0] <a href="http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a18cee15ed4c8b6a35f96b7b26a46bac32e04bd9" target="_blank">http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a18cee15ed4c8b6a35f96b7b26a46bac32e04bd9</a> -- Earthling Michel Dänzer | <a href="http://www.amd.com" target="_blank">http://www.amd.com</a> Libre software enthusiast | Debian, X and DRI developer </blockquote></div>