Re: AMD64 + Nvidia Display Card

From: Doug Rabson <dfr_at_nlsystems.com>
Date: Thu, 14 Jul 2005 11:44:26 +0100
On 14 Jul 2005, at 11:06, Brett Wildermoth wrote:

> On Thu, 14 Jul 2005 07:07 pm, owner-freebsd-current_at_freebsd.org wrote:
>
>> On Wednesday 13 July 2005 22:43, Brett Wildermoth wrote:
>>
>>> On Thu, 14 Jul 2005 04:18 am, owner-freebsd-stable_at_freebsd.org  
>>> wrote:
>>>
>>>> On Wednesday 13 July 2005 10:26 am, Kenneth Culver wrote:
>>>>
>>>>> Quoting Brett Wildermoth <B.Wildermoth_at_griffith.edu.au>:
>>>>>
>>>>>> To all my fellow FreeBSD users,
>>>>>>
>>>>>> I assume I am not the only one who is in this predicament. I
>>>>>> have just bought seven AMD 64s with NVIDIA PCI-X graphics. With
>>>>>> 5.4 I can get everything bar the network and X to work, with
>>>>>> 6.0 I can get the network to work also. However no matter what
>>>>>> I do I can't get X to work.
>>>>>>
>>>>>> Why doesn't NVIDIA make a graphics driver for FreeBSD AMD64.
>>>>>> They make one for
>>>>>> Linux x86-64 and one for FreeBSD-x86.
>>>>>>
>>>>>> Perhaps would could all post a message on nvforum. I see some
>>>>>> people already have.....
>>>>>>
>>>>>> Perhaps NVIDIA think FreeBSD is just a hobby OS......
>>>>>>
>>>>>
>>>>> Last I heard, nvidia had no plans to make a FreeBSD amd64 driver.
>>>>> Just post that
>>>>> you're pissed about it like the rest of us are... maybe they'll
>>>>> reconsider.
>>>>>
>>>>
>>>> Not true.  FreeBSD's kernel doesn't provide some things needed for
>>>> an amd64 driver to be feasible.
>>>>
>>>
>>> Like what???? what are these features? and if they are really
>>> important why aren't they on the cards to be included into
>>> FreeBSD......
>>>
>>
>> There are a few missing VM features that any high-performance  
>> graphics
>> card driver would require for decent performance with PCI Express.  
>> John
>> is working on adding those features - have patience.
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>>
>
> I guess these feature are provided in FreeBSD x86, as a NVIDIA  
> graphics driver
> is available for FreeBSD x86. Is FreeBSD x86-64 VM subsystem  
> different to
> FreeBSD x86. Is the VM subsystem that low-level?????
>
> (Pardon my ignorance, have quite got around to reading the FreeBSD  
> kernel book
> the publisher comped me yet)

Actually I think that the feature we are talking about (PAT) is  
relevant to both amd64 and i386. Proper support for PAT is required  
for decent PCI Express performance, as I understand it.
Received on Thu Jul 14 2005 - 08:44:34 UTC

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