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一块显卡上可同时使用多个座位

tag-icon • tag-icon 14.04 nvidia xorg lightdm multiseat
一块显卡上可同时使用多个座位

我正在尝试在 Kubuntu 14.04 下使用单显卡 (Nvidia GTX 680) 设置多座位配置。我可以为一个用户运行两个 x-screen，这是nvidia-settings本机支持的。所以我认为这应该是可能的。

不幸的是，启动后我的第二个屏幕保持黑色，但是当我在第二个终端启动另一个 x 服务器时，它会显示在第二个屏幕上，而第一个屏幕保持黑色。

有没有办法可以同时显示两者？

我当前的设置是：

lightdm.conf：

[LightDM]
minimum-display-number=0
minimum-vt=7

[SeatDefaults]
xserver-command=X
allow-guest=false

[Seat:0]
xserver-command=X :0
xserver-config=xorg_seat0.conf

[Seat:1]
xserver-command=X :1 -sharevts
xserver-config=xorg_seat1.conf

xorg_seat0.conf：

Section "ServerLayout"
    Identifier "Layout0"
    Screen 0 "Screen0"
EndSection


# define monitors, devices and screens
Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "LG Electronics E2770"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 61.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 680"
    BusID          "PCI:1:0:0"
    Screen          0
    Option         "TripleBuffer" "True"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "DFP-1"
    Option         "metamodes" "HDMI-0: nvidia-auto-select +0+0"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
    Depth       24
    EndSubSection
EndSection

xorg_seat1.conf：

Section "ServerLayout"
    Identifier "Layout1"
    Screen 1 "Screen1"
EndSection

# define monitors, devices and screens
Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "LG Electronics LG TV"
    HorizSync       28.0 - 83.0
    VertRefresh     58.0 - 63.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 680"
    BusID          "PCI:1:0:0"
    Screen          1
    Option         "TripleBuffer" "True"
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "DVI-I-0: nvidia-auto-select +0+0"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
    Depth       24
    EndSubSection
EndSection

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