[Bug 16897] New: Support for multiple nvidia cards

[Bug 16897] New: Support for multiple nvidia cards

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=16897

           Summary: Support for multiple nvidia cards
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: jason-Dy99Nv/Bu4mzQB+pC5nmwQ@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


I have two (rather old) nvidia cards in my PC.
 * GeForce4 MX 420
 * RIVA TNT2

I used these two cards to create a multi-seat setup with Fedora 8. (I used the
proprietary nvidia driver). It worked great.

When I upgraded to Fedora 9, I found that the proprietary driver wasn't
supported, so I'm giving Nouveau a try. I'm finding that Nouveau can only deal
with one card at a time, apparently. When I start X with the second card, the
second monitor does not light up and X apparently locks up.

Surprisingly, I couldn't find an existing bugzilla entry for supporting
multiple cards, so now I'm creating one. Hope that's ok.

(PS- I have some time in the next few weeks, and I'm a pretty good C
programmer. Is this a bug that one could get into the code and fix in a few
weeks, or are we talking major rewrite of the driver?)


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[Bug 16897] Support for multiple nvidia cards

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=16897





--- Comment #1 from Maarten Maathuis <madman2003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2008-07-30 15:51:23 PST ---
As far as i know the problem is two fold (this is from hearsay and other
impressions).

One side of the problem seems to be that somehow the 2nd ddx(xorg driver)
doesn't associate itself appropriately with the 2nd card/drm/kernel driver.
This is not neccesarily a huge problem to fix, just a matter of finding it.

The other side is that randr-1.2 doesn't support xinerama, so you will have to
run two completely seperate xserver's. This is something that is well beyond
the scope of a small'ish fix.


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[Bug 16897] Support for multiple nvidia cards

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=16897


Stuart Bennett <sb476-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org> changed:

           What    |Removed                     |Added
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                 CC|                            |przanoni-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org




--- Comment #2 from Stuart Bennett <sb476-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>  2009-01-13 16:28:54 PST ---
*** Bug 16597 has been marked as a duplicate of this bug. ***


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[Bug 16897] Support for multiple nvidia cards

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=16897


Younes Manton <younes.m-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
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                 CC|                            |elbeardmorez-uAjRD0nVeow@public.gmane.org




--- Comment #3 from Younes Manton <younes.m-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-04-11 13:31:42 PST ---
*** Bug 16165 has been marked as a duplicate of this bug. ***


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[Bug 16897] Support for multiple nvidia cards

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=16897

Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #4 from Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> ---
Nouveau should support multicard pretty well:
http://nouveau.freedesktop.org/wiki/FeatureMatrix/

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