Going multi-headed with nvidia 7900GS card and 6-STABLE/amd64 ...

[Arne Wörner]

Hi Marc!

I fell asleep some hours ago, so that I couldnt reply so quickly...

--- "Marc G. Fournier" <scrappy at freebsd.org> wrote:
> 'k, I've tried to search google (even with site:http://www.nvnews.net to
> narrow it down), and I'm drawing a blank, so I'm asking here ...
>
Hmm... I found this with Yahoo!Search (nvidia xorg "dual head"):
http://www.bitleap.com/blog/2007/01/22/nvidia-xorg-dual-head-linux-change/
http://gentoo-wiki.com/HOWTO_Dual_Monitors#Setting_up_Two_Graphics_Cards

> 64bit issues with the driver, but from what I've been able to tell, I should
> be able to do this with just the nv driver that comes with X.Org 7.x ...
>
Yup... The agp and drm modules might be necessary (if it isnt compiled into the
kernel)...

> The only way I could get the current configuration to even start, without 
> getting:
> 
> Fatal server error:
> Requested Entity already in use!
>
Did you use xorgcfg to get a basic configuration file?

I found this about that strange error message:
https://www.redhat.com/archives/nahant-list/2005-August/msg00183.html

> was by changing the BusID to PCI:1:0:1 (or anything) even though nothing
> seems to turn up in pciconf other then pci:1:0:0 ...
>
That wont help... The nvidia driver has to mention, that the same pci device
can do 2 screens... It detects that by the "Screen XXX" line (one says 0 and
one say 1 with the same PCI:a:b:c)...

> So, the question is ... what am I missing, or is the nvidia kernel driver a 
> requirement to getting dual-head working after all?
>
You should try the ports nvidia-driver and nvidia-xconfig and nvidia-settings
(pkg_add -r <port name>)...

> Section "Device"
> 	Identifier  "Card0"
> 	Driver      "nv"
> 	VendorName  "nVidia Corporation"
> 	BoardName   "NV18 [GeForce4 MX 440 AGP 8x]"
> 	BusID       "PCI:1:0:0"
>       Screen	0
> EndSection
> Section "Device"
> 	Identifier  "Card1"
> 	Driver      "nv"
> 	VendorName  "nVidia Corporation"
> 	BoardName   "NV18 [GeForce4 MX 440 AGP 8x]"
> 	BusID       "PCI:1:0:1"
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^0
>       Screen	1
> EndSection
> 
The driver name should be "nvidia" possibly?
Maybe you need to install that nvidia driver from the ports first...

Have fun... Dual head without cloning looks cool, when it works... :-)

Bye
Arne


       
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