Multiple card setup possible?

[Paul Boehmer]

I am getting ready to build a new workstation and was curious to see if
anyone has any idea on when multiple cards will be supported (if at all).
I have a ATI 9450 and a dual head ATI 9250 card, but have not been able to
get them to work together, though they work individually.

My current workstation is still on an older version of Xorg that is
currently using a Nvidia card and two Matrox cards to power three heads.
It would be nice if I could retain this setup, but with newer cards
listed above.

When both cards are installed, I get the following error in Xorg.0.log:

------- Snip ---------
(II) Loading sub module "fbdevhw"
(II) LoadModule: "fbdevhw"
(WW) Warning, couldn't open module fbdevhw
(II) UnloadModule: "fbdevhw"
(EE) Failed to load module "fbdevhw" (module does not exist, 0)
(WW) Falling back to old probe method for fbdev
----------------------

full log @ http://www.pboehmer.com/Xorg.0.log

>From what I understand (could be way off), the problem is related to the
VGA arbiter in libpciaccess.  This is a little over my head, but I would
be more than welcome to try any patches or any other suggestions.

Thanks.

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[Robert Noland]

On Mon, 2009-11-02 at 16:24 -0500, Paul Boehmer wrote:

> I am getting ready to build a new workstation and was curious to see if
> anyone has any idea on when multiple cards will be supported (if at all).
> I have a ATI 9450 and a dual head ATI 9250 card, but have not been able to
> get them to work together, though they work individually.
>
> My current workstation is still on an older version of Xorg that is
> currently using a Nvidia card and two Matrox cards to power three heads.
> It would be nice if I could retain this setup, but with newer cards
> listed above.
>
> When both cards are installed, I get the following error in Xorg.0.log:
>
> ------- Snip ---------
> (II) Loading sub module "fbdevhw"
> (II) LoadModule: "fbdevhw"
> (WW) Warning, couldn't open module fbdevhw
> (II) UnloadModule: "fbdevhw"
> (EE) Failed to load module "fbdevhw" (module does not exist, 0)
> (WW) Falling back to old probe method for fbdev
> ----------------------
>
> full log @ http://www.pboehmer.com/Xorg.0.log
>
> >From what I understand (could be way off), the problem is related to the
> VGA arbiter in libpciaccess.  This is a little over my head, but I would
> be more than welcome to try any patches or any other suggestions.

There are a handful of components for this to work.  This has recently
been added for linux, so some multiple card setups are rumored to work
now.  I haven't looked at exactly what it is going to take to get it
working on FreeBSD though.  If someone wants to take this on, that would
be great.

robert.

> Thanks.
>
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--
Robert Noland <rnoland@...>
FreeBSD

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