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Quad Head Setup - Nearly Working - ZaphodHeads Problem?

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  • Quad Head Setup - Nearly Working - ZaphodHeads Problem?

    I have 2 GTX 280 cards.
    Each card has 2 DVI outputs.

    With the configuration below my left 2 monitors are working but they are mirrored, and my right 2 monitors are black and also mirrored (Mouse will show up on black screens.


    Is ZaphodHeads not working properly since both graphics cards are mirroring the outputs?


    This is my XORG.CONF:
    Code:
    Section "ServerLayout"
        Identifier  "Layout0"
        Option      "Xinerama" "on"
        Option      "Clone"    "off"
        Screen   0  "Screen0"
        Screen   1  "Screen1"  RightOf "Screen0"
        Screen   2  "Screen2"  LeftOf  "Screen0"
        Screen   3  "Screen3"  LeftOf  "Screen2"
    EndSection
    
    Section "Device"
        Identifier  "Device0"
        Driver      "nouveau"
        BusID       "PCI:2:0:0"
        Option	"ZaphodHeads"	"DVI-I-1"
        Screen      0
    EndSection
    Section "Device"
        Identifier  "Device1"
        Driver      "nouveau"
        BusID       "PCI:2:0:0"
        Option	"ZaphodHeads"	"DVI-I-2"
        Screen      1
    EndSection
    Section "Device"
        Identifier  "Device2"
        Driver      "nouveau"
        BusID       "PCI:3:0:0"
        Option	"ZaphodHeads"	"DVI-I-3"
        Screen      0
    EndSection
    Section "Device"
        Identifier  "Device3"
        Driver      "nouveau"
        BusID       "PCI:3:0:0"
        Option	"ZaphodHeads"	"DVI-I-4"
        Screen      1
    EndSection
    
    Section "Screen"
        Identifier  "Screen0"
        Device      "Device0"
    EndSection
    Section "Screen"
        Identifier  "Screen1"
        Device      "Device1"
    EndSection
    Section "Screen"
        Identifier  "Screen2"
        Device      "Device2"
    EndSection
    Section "Screen"
        Identifier  "Screen3"
        Device      "Device3"
    EndSection
    My Xorg Log:

  • Speirs68
    replied
    I'd love to play around with a distro
    Last edited by Speirs68; 11-22-2012, 11:15 PM.

    Leave a comment:


  • agd5f
    replied
    Originally posted by droste View Post
    The problem seems to be this:

    Code:
    [    14.033] (EE) Screen 1 deleted because of no matching config section.
    [    14.033] (II) UnloadModule: "nouveau"
    [    14.033] (EE) Screen 2 deleted because of no matching config section.
    [    14.033] (II) UnloadModule: "nouveau"
    from the Xorg.log. But I'm not exactly sure what that means, because there is a config section for screen 1 and 2!?
    There might be issues with mixing the orientations. Try making sure screen 0 is at the origin. e.g.:

    Code:
    Section "ServerLayout"
        Identifier  "Layout0"
        Option      "Xinerama" "on"
        Option      "Clone"    "off"
        Screen   0  "Screen0"
        Screen   1  "Screen1"  RightOf "Screen0"
        Screen   2  "Screen2"  RightOf  "Screen1"
        Screen   3  "Screen3"  RightOf  "Screen2"
    EndSection
    Alternatively, you could file a bug: https://bugs.freedesktop.org

    Also, this post is in the wrong section. This is the open source AMD forum.

    Leave a comment:


  • droste
    replied
    The problem seems to be this:

    Code:
    [    14.033] (EE) Screen 1 deleted because of no matching config section.
    [    14.033] (II) UnloadModule: "nouveau"
    [    14.033] (EE) Screen 2 deleted because of no matching config section.
    [    14.033] (II) UnloadModule: "nouveau"
    from the Xorg.log. But I'm not exactly sure what that means, because there is a config section for screen 1 and 2!?

    Leave a comment:


  • Pwnm30rdi3
    replied
    Originally posted by Kano View Post
    @Pwnm30rdi3

    NEVER use sudo for xrandr!
    Thank you!
    I am a bit new at this!

    This is frustrating. I'm going on day 4 of improperly working monitors.

    Leave a comment:


  • Kano
    replied
    @Pwnm30rdi3

    NEVER use sudo for xrandr!

    Leave a comment:


  • Pwnm30rdi3
    replied
    Originally posted by droste View Post
    There are xserver installed without this extension? o_O

    Check Xorg.log there's probably something like this:
    "(II) RADEON(0): EDID for output DVI-0"
    for nouveau too.
    Xorg.log shows:
    (II) NOUVEAU(0): EDID for output DVI-I-1

    Here is my Xorg.log:
    http://pastebin.com/raw.php?i=SFLZ71ys
    Last edited by Pwnm30rdi3; 11-16-2012, 01:46 PM.

    Leave a comment:


  • droste
    replied
    There are xserver installed without this extension? o_O

    Check Xorg.log there's probably something like this:
    "(II) RADEON(0): EDID for output DVI-0"
    for nouveau too.

    Leave a comment:


  • Pwnm30rdi3
    replied
    Originally posted by droste View Post
    AFAIK you have to use the names provided by X (run 'xrandr' in terminal to see what they are called) not the kernel ones in the ZaphodHead config
    Code:
    andrew@andrewcomp:~$ sudo xrandr
    [sudo] password for andrew: 
    RandR extension missing
    andrew@andrewcomp:~$

    Leave a comment:


  • droste
    replied
    Originally posted by Pwnm30rdi3 View Post
    I had the same question. So I tried all possible combinations. Still no luck!

    When I go to the directory: /sys/class/drm
    The folders read: "card0-DVI-I-1"
    AFAIK you have to use the names provided by X (run 'xrandr' in terminal to see what they are called) not the kernel ones in the ZaphodHead config

    Leave a comment:

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