Xorg 7.2 upgrade, nvidia dual monitor, one portrait, one landscape success

[hao chen]

I upgraded to xorg 7.2 this past weekend by following UPDATING. Did not have
major problems. It did take a long time to recompile with portupgrade, and I
skipped openoffice. Dual monitor with nvidia driver from the ports is easy
(nvidia-settings). However, it took me a while to figure out why it
maximized  windows to both screens. It turned out that my window manager
(fluxbox) was also upgraded in batch mode and did not have Xinerama support
compiled in.  Maximization to one screen works in either twinview or
separate X screen mode after recompile fluxbox (WITH_XINERAMA=yes). However,
to rotate one monitor to portrait, one must use separate X screen
configuration. I also adjusted the location of the screens so that they are
aligned in the bottom (256 in line 3). Here is key sections of my xorg.conf:

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 256
    Screen      1  "Screen1" 1280 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "ServerFlags"
    Option         "Xinerama" "1"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "HP L1940"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "HP L1940T"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Videocard0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 7300 GT"
    BusID          "PCI:1:0:0"
    Screen          0
EndSection

Section "Device"
    Identifier     "Videocard1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 7300 GT"
    BusID          "PCI:1:0:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Videocard0"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "Rotate" "CCW"
    Option         "TwinView" "0"
    Option         "metamodes" "DFP: 1280x1024 +0+0; DFP: 1024x768 +0+0"
    SubSection     "Display"
        Depth       24
        Modes      "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Videocard1"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "CRT: 1280x1024 +0+0; CRT: 1024x768 +0+0"
    SubSection     "Display"
        Depth       24
        Modes      "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection