Date: Wed, 16 Nov 2011 00:12:53 +0100 From: Baptiste Daroussin <bapt@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: No disks usable on a P5NE MB (aka regession is r219737) Message-ID: <20111115231253.GC96251@azathoth.lan> In-Reply-To: <201111151246.42038.jhb@freebsd.org> References: <e15ca6b07d1d4ee72f8dc063d25505d1@etoilebsd.net> <20111111221058.GA1911@azathoth.lan> <20111111225907.GA1993@azathoth.lan> <201111151246.42038.jhb@freebsd.org>
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[-- Attachment #1 --] 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. regards, Bapt [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAk7C8fUACgkQ8kTtMUmk6EzPVgCePcqORQByKFDJTm03pPV/Y8CO Z7gAoI2umAHLBs6U5ms5UHDW4ZF6p5vc =kqcD -----END PGP SIGNATURE-----
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