On Wed, Mar 28, 2012 at 02:38:42PM -0400, John Baldwin wrote: > On Tuesday, November 15, 2011 6:12:53 pm Baptiste Daroussin wrote: > > On Tue, Nov 15, 2011 at 12:46:41PM -0500, John Baldwin wrote: > > [...] > > > and > > > > 10 remove that block : > > > > http://people.freebsd.org/~bapt/workaround-to-boot-p5ne.diff > > > > > > Yeah, the problem is that NVIDIA chipsets seem to have really odd > > > behavior in > > > that once you turn MSI mapping on for a given node in the HyperTransport > > > tree > > > it expects all child devices to only use MSI and not INTx. Linux has a > > > lot of > > > quirk code to try to handle this by only turning on the mapping window > > > when > > > MSI is enabled for a given device. However, it has lots of hacks to try > > > to > > > find the right Host-PCI Bridge that a given device is a child of. I'm > > > mostly > > > tempted to just disable MSI on NVIDIA chipsets that have these issues > > > rather > > > than adding the same number of quirks. However I haven't really had time > > > to > > > sit down and look at this. > > > > > > > Thanks for reply, if you can do some testing for you if you want. > > Please try http://www.FreeBSD.org/~jhb/patches/hostb_htmsi.patch > works perfectly thanks
regards, Bapt
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