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

[Dave Jones]

On Fri, Mar 30, 2007 at 03:04:39PM -0400, Kyle McMartin wrote:
 > On Fri, Mar 30, 2007 at 01:15:28PM -0400, Chuck Ebbert wrote:
 > > 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.
 > > 
 > 
 > Yeah, we've also turned off MMCONFIG by default. We've seen way too many
 > bugs that go away when they're disabled.

Isn't that needed though to access higher config space on PCIE ?
Or do we not have any drivers that use that yet, making it a nonissue?

	Dave

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