Does FreeBSD 6.0 fully support PCI-Express?
Ted Mittelstaedt
tedm at toybox.placo.com
Thu Nov 24 05:31:13 GMT 2005
>-----Original Message-----
>From: Hans Nieser [mailto:hans at nieser.net]
>Sent: Tuesday, November 22, 2005 4:48 AM
>To: Ted Mittelstaedt; freebsd-questions at freebsd.org
>Subject: Re: Does FreeBSD 6.0 fully support PCI-Express?
>
>
>Ted Mittelstaedt wrote:
>> This is correct. The various driver authors who have been
>> affected by the PCI Express issue have implemented logic in
>> their probe code that activates the devices on pci express busses,
>> so for most devices it's a non-issue. But this is kludgy and
>> there's been discussion in the core as to try to get someone
>> to write a PCI Express driver that would talk to the bus
>> and would handle the devices the way the buss is intended.
>>
>> You still get weirdness though - for example on several Intel
>> motherboards that have PCI Express that I've run FBSD on,
>> the BSD kernel complains about no interrupt being available
>> for the serial port. But the serial port works anyway.
>>
>> I'm surprised you didn't find this with Google, it's in
>> there. Perhaps look through the mailing list archives?
>>
>> As far as I know Nvidia hasn't allowed Xorg to write drivers
>> for their cards, all the nvidia drivers out there are
>> binaries from Nvidia. This for me would cross that card
>> off my list.
>>
>> In any case, this really isn't a FreeBSD issue, it's an Xorg
>> issue and you should ask on those mailing lists. Others have
>> had Nvidia troubles for other reasons and should be able to
>> better advise you.
>
>Many thanks for your clarification Ted. I did post to
>freebsd-x11 but the
>list seems relatively low-traffic and unfortunately got no responses.
I was meaning post to the xorg at lists.freedesktop.org list.
Ted
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