Hello,

I installed xbmc live ontop of xbmc on an ubuntu 10.04 install. When I rebooted it now says unable to determine graphics config but when I drop to a TTY session and startx everything loads up normally.

Here is xorg.conf

Code:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder75)  Thu Apr 22 11:44:23 PDT 2010

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "NoLogo" "True"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection
and Xorg.0.log

Code:
X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-25-server i686 Ubuntu
Current Operating System: Linux xbmc 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=93da7657-17b0-47d7-a61c-ce96ed2a0756 ro quiet splash loglevel=0
Build Date: 23 April 2010  05:11:50PM
xorg-server 2:1.7.6-2ubuntu7 (Bryce Harrington <bryce@ubuntu.com>) 
Current version of pixman: 0.16.4
    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Fri May  6 20:24:25 2011
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/usr/lib/X11/xorg.conf.d"
(==) ServerLayout "Layout0"
(**) |-->Screen "Screen0" (0)
(**) |   |-->Monitor "Monitor0"
(**) |   |-->Device "Device0"
(**) |-->Input Device "Keyboard0"
(**) |-->Input Device "Mouse0"
(==) Automatically adding devices
(==) Automatically enabling devices
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
    Entry deleted from font path.
(==) FontPath set to:
    /usr/share/fonts/X11/misc,
    /usr/share/fonts/X11/100dpi/:unscaled,
    /usr/share/fonts/X11/75dpi/:unscaled,
    /usr/share/fonts/X11/Type1,
    /usr/share/fonts/X11/100dpi,
    /usr/share/fonts/X11/75dpi,
    /var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
    built-ins
(==) ModulePath set to "/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
(WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
(WW) Disabling Keyboard0
(WW) Disabling Mouse0
(II) Loader magic: 0x81f0e80
(II) Module ABI versions:
    X.Org ANSI C Emulation: 0.4
    X.Org Video Driver: 6.0
    X.Org XInput driver : 7.0
    X.Org Server Extension : 2.0
(--) using VT number 8

(--) PCI: (0:0:3:5) 10de:0aa3:19da:a113 nVidia Corporation MCP79 Co-processor rev 177, Mem @ 0xfae80000/524288
(--) PCI:*(0:3:0:0) 10de:087d:19da:a113 nVidia Corporation ION VGA rev 177, Mem @ 0xfb000000/16777216, 0xe0000000/268435456, 0xf8000000/33554432, I/O @ 0x0000ec00/128, BIOS @ 0x????????/131072
(II) Open ACPI successful (/var/run/acpid.socket)
(II) LoadModule: "extmod"
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Module extmod: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.0.0
    Module class: X.Org Server Extension
    ABI class: X.Org Server Extension, version 2.0
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) LoadModule: "dbe"
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Module dbe: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.0.0
    Module class: X.Org Server Extension
    ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/extra-modules/libglx.so
(II) Module glx: vendor="NVIDIA Corporation"
    compiled for 4.0.2, module version = 1.0.0
    Module class: X.Org Server Extension
(II) NVIDIA GLX Module  195.36.24  Thu Apr 22 10:38:29 PDT 2010
(II) Loading extension GLX
(II) LoadModule: "record"
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Module record: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.13.0
    Module class: X.Org Server Extension
    ABI class: X.Org Server Extension, version 2.0
(II) Loading extension RECORD
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.0.0
    ABI class: X.Org Server Extension, version 2.0
(II) Loading extension XFree86-DRI
(II) LoadModule: "dri2"
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Module dri2: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.1.0
    ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DRI2
(II) LoadModule: "nvidia"
(II) Loading /usr/lib/xorg/extra-modules/nvidia_drv.so
(II) Module nvidia: vendor="NVIDIA Corporation"
    compiled for 4.0.2, module version = 1.0.0
    Module class: X.Org Video Driver
(II) NVIDIA dlloader X Driver  195.36.24  Thu Apr 22 09:34:29 PDT 2010
(II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
(II) Primary Device is: PCI 03@00:00:0
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Module fb: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.0.0
    ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "wfb"
(II) LoadModule: "wfb"
(II) Loading /usr/lib/xorg/modules/libwfb.so
(II) Module wfb: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 1.0.0
    ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "ramdac"
(II) LoadModule: "ramdac"
(II) Module "ramdac" already built-in
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(0): Option "NoLogo" "True"
(**) May 06 20:24:25 NVIDIA(0): Enabling RENDER acceleration
(II) May 06 20:24:25 NVIDIA(0): Support for GLX with the Damage and Composite X extensions is
(II) May 06 20:24:25 NVIDIA(0):     enabled.
(II) May 06 20:24:26 NVIDIA(0): NVIDIA GPU ION (C79) at PCI:3:0:0 (GPU-0)
(--) May 06 20:24:26 NVIDIA(0): Memory: 524288 kBytes
(--) May 06 20:24:26 NVIDIA(0): VideoBIOS: 62.79.78.00.00
(--) May 06 20:24:26 NVIDIA(0): Interlaced video modes are supported on this GPU
(--) May 06 20:24:26 NVIDIA(0): Connected display device(s) on ION at PCI:3:0:0:
(--) May 06 20:24:26 NVIDIA(0):     Proview (CRT-0)
(--) May 06 20:24:26 NVIDIA(0): Proview (CRT-0): 300.0 MHz maximum pixel clock
(II) May 06 20:24:26 NVIDIA(0): Assigned Display Device: CRT-0
(==) May 06 20:24:26 NVIDIA(0): 
(==) May 06 20:24:26 NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select"
(==) May 06 20:24:26 NVIDIA(0):     will be used as the requested mode.
(==) May 06 20:24:26 NVIDIA(0): 
(II) May 06 20:24:26 NVIDIA(0): Validated modes:
(II) May 06 20:24:26 NVIDIA(0):     "nvidia-auto-select"
(II) May 06 20:24:26 NVIDIA(0): Virtual screen size determined to be 1680 x 1050
(--) May 06 20:24:26 NVIDIA(0): DPI set to (90, 88); computed from "UseEdidDpi" X config
(--) May 06 20:24:26 NVIDIA(0):     option
(==) May 06 20:24:26 NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
(--) Depth 24 pixmap format is 32 bpp
(II) May 06 20:24:26 NVIDIA: Using 768.00 MB of virtual memory for indirect memory access.
(II) May 06 20:24:26 NVIDIA(0): Initialized GPU GART.
(II) May 06 20:24:26 NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Loading extension NV-GLX
(II) May 06 20:24:26 NVIDIA(0): Initialized OpenGL Acceleration
(==) NVIDIA(0): Disabling shared memory pixmaps
(II) May 06 20:24:26 NVIDIA(0): Initialized X Rendering Acceleration
(==) NVIDIA(0): Backing store disabled
(==) NVIDIA(0): Silken mouse enabled
(**) NVIDIA(0): DPMS enabled
(II) Loading extension NV-CONTROL
(II) Loading extension XINERAMA
(==) RandR enabled
(II) Initializing built-in extension Generic Event Extension
(II) Initializing built-in extension SHAPE
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension BIG-REQUESTS
(II) Initializing built-in extension SYNC
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension XC-MISC
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFIXES
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
(II) Initializing built-in extension COMPOSITE
(II) Initializing built-in extension DAMAGE
(II) Initializing extension GLX
(II) XKB: generating xkmfile /tmp/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
(II) config/udev: Adding input device Power Button (/dev/input/event1)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) LoadModule: "evdev"
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
(II) Module evdev: vendor="X.Org Foundation"
    compiled for 1.7.6, module version = 2.3.2
    Module class: X.Org XInput Driver
    ABI class: X.Org XInput driver, version 7.0
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event1"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device Power Button (/dev/input/event0)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event0"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device Logitech USB Receiver (/dev/input/event3)
(**) Logitech USB Receiver: Applying InputClass "evdev keyboard catchall"
(**) Logitech USB Receiver: always reports core events
(**) Logitech USB Receiver: Device: "/dev/input/event3"
(II) Logitech USB Receiver: Found keys
(II) Logitech USB Receiver: Configuring as keyboard
(II) XINPUT: Adding extended input device "Logitech USB Receiver" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device Logitech USB Receiver (/dev/input/event4)
(**) Logitech USB Receiver: Applying InputClass "evdev pointer catchall"
(**) Logitech USB Receiver: Applying InputClass "evdev keyboard catchall"
(**) Logitech USB Receiver: always reports core events
(**) Logitech USB Receiver: Device: "/dev/input/event4"
(II) Logitech USB Receiver: Found 12 mouse buttons
(II) Logitech USB Receiver: Found scroll wheel(s)
(II) Logitech USB Receiver: Found relative axes
(II) Logitech USB Receiver: Found x and y relative axes
(II) Logitech USB Receiver: Found absolute axes
(II) Logitech USB Receiver: Found keys
(II) Logitech USB Receiver: Configuring as mouse
(II) Logitech USB Receiver: Configuring as keyboard
(**) Logitech USB Receiver: YAxisMapping: buttons 4 and 5
(**) Logitech USB Receiver: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Logitech USB Receiver" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) Logitech USB Receiver: initialized for relative axes.
(WW) Logitech USB Receiver: ignoring absolute axes.
(II) config/udev: Adding input device Logitech USB Receiver (/dev/input/mouse1)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device 2.4GHZ Keyboard & Mouse Combo (/dev/input/event5)
(**) 2.4GHZ Keyboard & Mouse Combo: Applying InputClass "evdev keyboard catchall"
(**) 2.4GHZ Keyboard & Mouse Combo: always reports core events
(**) 2.4GHZ Keyboard & Mouse Combo: Device: "/dev/input/event5"
(II) 2.4GHZ Keyboard & Mouse Combo: Found keys
(II) 2.4GHZ Keyboard & Mouse Combo: Configuring as keyboard
(II) XINPUT: Adding extended input device "2.4GHZ Keyboard & Mouse Combo" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) config/udev: Adding input device 2.4GHZ Keyboard & Mouse Combo (/dev/input/event6)
(**) 2.4GHZ Keyboard & Mouse Combo: Applying InputClass "evdev pointer catchall"
(**) 2.4GHZ Keyboard & Mouse Combo: Applying InputClass "evdev keyboard catchall"
(**) 2.4GHZ Keyboard & Mouse Combo: always reports core events
(**) 2.4GHZ Keyboard & Mouse Combo: Device: "/dev/input/event6"
(II) 2.4GHZ Keyboard & Mouse Combo: Found 12 mouse buttons
(II) 2.4GHZ Keyboard & Mouse Combo: Found scroll wheel(s)
(II) 2.4GHZ Keyboard & Mouse Combo: Found relative axes
(II) 2.4GHZ Keyboard & Mouse Combo: Found x and y relative axes
(II) 2.4GHZ Keyboard & Mouse Combo: Found absolute axes
(II) 2.4GHZ Keyboard & Mouse Combo: Found keys
(II) 2.4GHZ Keyboard & Mouse Combo: Configuring as mouse
(II) 2.4GHZ Keyboard & Mouse Combo: Configuring as keyboard
(**) 2.4GHZ Keyboard & Mouse Combo: YAxisMapping: buttons 4 and 5
(**) 2.4GHZ Keyboard & Mouse Combo: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "2.4GHZ Keyboard & Mouse Combo" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "us"
(II) 2.4GHZ Keyboard & Mouse Combo: initialized for relative axes.
(WW) 2.4GHZ Keyboard & Mouse Combo: ignoring absolute axes.
(II) config/udev: Adding input device 2.4GHZ Keyboard & Mouse Combo (/dev/input/mouse2)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device HDA Digital PCBeep (/dev/input/event7)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/event2)
(**) Macintosh mouse button emulation: Applying InputClass "evdev pointer catchall"
(**) Macintosh mouse button emulation: always reports core events
(**) Macintosh mouse button emulation: Device: "/dev/input/event2"
(II) Macintosh mouse button emulation: Found 3 mouse buttons
(II) Macintosh mouse button emulation: Found relative axes
(II) Macintosh mouse button emulation: Found x and y relative axes
(II) Macintosh mouse button emulation: Configuring as mouse
(**) Macintosh mouse button emulation: YAxisMapping: buttons 4 and 5
(**) Macintosh mouse button emulation: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Macintosh mouse button emulation" (type: MOUSE)
(II) Macintosh mouse button emulation: initialized for relative axes.
(II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
(II) XKB: generating xkmfile /tmp/server-F8D9B4EE1D9075AF4B1C23C75362EE93E14954A0.xkm
(II) XKB: reuse xkmfile /tmp/server-F8D9B4EE1D9075AF4B1C23C75362EE93E14954A0.xkm