No disks usable on a P5NE MB (aka regession is r219737)
bapt at freebsd.org
Tue Nov 15 23:12:57 UTC 2011
On Tue, Nov 15, 2011 at 12:46:41PM -0500, John Baldwin wrote:
> > 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.
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