Re: No disks usable on a P5NE MB (aka regession is r219737)
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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
>=20
> Yeah, the problem is that NVIDIA chipsets seem to have really odd behavio=
r in=20
> that once you turn MSI mapping on for a given node in the HyperTransport =
tree=20
> it expects all child devices to only use MSI and not INTx. Linux has a l=
ot of=20
> quirk code to try to handle this by only turning on the mapping window wh=
en=20
> MSI is enabled for a given device. However, it has lots of hacks to try =
to=20
> find the right Host-PCI Bridge that a given device is a child of. I'm mo=
stly=20
> tempted to just disable MSI on NVIDIA chipsets that have these issues rat=
her=20
> than adding the same number of quirks. However I haven't really had time=
to=20
> sit down and look at this.
>=20
Thanks for reply, if you can do some testing for you if you want.
regards,
Bapt
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