Date: Sat, 12 Dec 2009 13:40:07 +0100 From: =?ISO-8859-1?Q?Marius_N=FCnnerich?= <marius@nuenneri.ch> To: Chris H <chris#@1command.com> Cc: freebsd-stable@freebsd.org Subject: Re: MTRR failure revisited (nVidia) 8-STABLE/RELEASE Message-ID: <b649e5e0912120440n41ecca4m23527be693b908c3@mail.gmail.com> In-Reply-To: <d498c3f0038a2415580a54898d78a4cd.HRCIM@webmail.1command.com> References: <d498c3f0038a2415580a54898d78a4cd.HRCIM@webmail.1command.com>
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On Sat, Dec 12, 2009 at 12:47, Chris H <chris#@1command.com> wrote: > Greetings, > I brought this same error to the list back in May 2009. > Under: failed to set mtrr: invalid argument. > Well, I'm back using the same card: > GeForce4 MX 440-SE - VideoRam 65536 - BusID PCI:1:3:0. > The driver is different, I'm using: nvidia-driver-96.43.13 out of ports on a > custom 8-STABLE kernel. Xorg starts up, and produces a desktop. But it's > "dog slow", and the nvidia driver emits the following error: > NVIDIA: failed to set MTRR 0xf0000000, 0M (write-combining) > several times. I understand John Baldwin provided some "invaluable" help some > time ago: http://lists.freebsd.org/pipermail/freebsd-hackers/2006-June/016995.html > and I was wondering if anyone has gained any further "insight" with these cards, > and how to better "interface" them in BSD. Last I spoke on the topic, I was > informed that the memory was basically "untouchable" - or perhaps in other words; > can't be manipulated. Has this changed? Surely someone else has had to deal with > this besides me. It seems crazy to spend a "boat load" of $$ on these high > performers, and not be able to use them on a high performing OS - no? :) > Sure, the one I'm working with now is "legacy". But I have 3 near new, top of > their line cards, and thus far it appears that if I ever hope to use them, I'll > be forced to... hack, choke.. spin up a WIN CD. :( > > Thank you for all your time, consideration, and insight. FreeBSD as of 8.0-RELEASE supports PAT which obsoletes MTRR. It was a requirement for the nvidia amd64 blob. So in the future it should all work fine if you have at least a card which is supported by the newest nvidia driver.
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