Make "pci=nomsi" the default on 2.6.20 kernels?

[Chuck Ebbert]

Jay Cliburn wrote:
> Chuck Ebbert wrote:
>> It seems like more and more problems with PCI MSI are turning up
>> in the 2.6.20 kernel. Discussion upstream concluded that maybe
>> it should have been off by default in 2.6.20, so maybe we should
>> just do that in Fedora and make people who want it use "pci=msi"
>> to enable it? It's probably not going to be really stable until
>> 2.6.22...
> 
> I vote yes: turn it off by default.  We just ran into an MSI issue on a
> particular Via motherboard (Asus M2V) that runs the network driver
> (atl1) I help maintain.  The kernel blows up when we start the network
> unless we turn off MSI.

One of our bug reporters points to a unbuntu thread where they mention
they have just turned of msi by default.

https://launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/74830