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jamie@venus:~$ cat /var/log/Xorg.0.log
[   277.979] 
X.Org X Server 1.11.3
Release Date: 2011-12-16
[   277.979] X Protocol Version 11, Revision 0
[   277.979] Build Operating System: Linux 2.6.24-31-server x86_64 Ubuntu
[   277.979] Current Operating System: Linux venus 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64
[   277.979] Kernel command line: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic root=/dev/mapper/lvm--raid-lvm--raid_root ro quiet splash text
[   277.979] Build Date: 07 May 2012  11:43:21PM
[   277.980] xorg-server 2:1.11.4-0ubuntu10.2 (For technical support please see http://www.ubuntu.com/support) 
[   277.980] Current version of pixman: 0.24.4
[   277.980] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[   277.980] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   277.981] (==) Log file: "/var/log/Xorg.0.log", Time: Wed May 30 21:56:32 2012
[   278.002] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[   278.003] (==) No Layout section.  Using the first Screen section.
[   278.003] (==) No screen section available. Using defaults.
[   278.003] (**) |-->Screen "Default Screen Section" (0)
[   278.003] (**) |   |-->Monitor "<default monitor>"
[   278.003] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[   278.003] (==) Automatically adding devices
[   278.003] (==) Automatically enabling devices
[   278.030] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[   278.030] 	Entry deleted from font path.
[   278.061] (==) 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
[   278.061] (==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[   278.061] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[   278.061] (II) Loader magic: 0x7f2447dd0b00
[   278.061] (II) Module ABI versions:
[   278.061] 	X.Org ANSI C Emulation: 0.4
[   278.061] 	X.Org Video Driver: 11.0
[   278.061] 	X.Org XInput driver : 16.0
[   278.061] 	X.Org Server Extension : 6.0
[   278.062] (--) PCI:*(0:129:0:0) 10de:0291:10de:0321 rev 161, Mem @ 0xbe000000/16777216, 0xc0000000/268435456, 0xbd000000/16777216, I/O @ 0x0000ec00/128, BIOS @ 0x????????/131072
[   278.062] (II) Open ACPI successful (/var/run/acpid.socket)
[   278.062] (II) LoadModule: "extmod"
[   278.063] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[   278.063] (II) Module extmod: vendor="X.Org Foundation"
[   278.063] 	compiled for 1.11.3, module version = 1.0.0
[   278.063] 	Module class: X.Org Server Extension
[   278.063] 	ABI class: X.Org Server Extension, version 6.0
[   278.063] (II) Loading extension MIT-SCREEN-SAVER
[   278.063] (II) Loading extension XFree86-VidModeExtension
[   278.063] (II) Loading extension XFree86-DGA
[   278.063] (II) Loading extension DPMS
[   278.063] (II) Loading extension XVideo
[   278.063] (II) Loading extension XVideo-MotionCompensation
[   278.063] (II) Loading extension X-Resource
[   278.063] (II) LoadModule: "dbe"
[   278.063] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[   278.063] (II) Module dbe: vendor="X.Org Foundation"
[   278.063] 	compiled for 1.11.3, module version = 1.0.0
[   278.063] 	Module class: X.Org Server Extension
[   278.063] 	ABI class: X.Org Server Extension, version 6.0
[   278.063] (II) Loading extension DOUBLE-BUFFER
[   278.063] (II) LoadModule: "glx"
[   278.063] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so
[   278.086] (II) Module glx: vendor="NVIDIA Corporation"
[   278.087] 	compiled for 4.0.2, module version = 1.0.0
[   278.087] 	Module class: X.Org Server Extension
[   278.087] (II) NVIDIA GLX Module  295.40  Thu Apr  5 21:57:38 PDT 2012
[   278.087] (II) Loading extension GLX
[   278.087] (II) LoadModule: "record"
[   278.087] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
[   278.087] (II) Module record: vendor="X.Org Foundation"
[   278.087] 	compiled for 1.11.3, module version = 1.13.0
[   278.087] 	Module class: X.Org Server Extension
[   278.087] 	ABI class: X.Org Server Extension, version 6.0
[   278.087] (II) Loading extension RECORD
[   278.087] (II) LoadModule: "dri"
[   278.087] (II) Loading /usr/lib/xorg/modules/extensions/libdri.so
[   278.087] (II) Module dri: vendor="X.Org Foundation"
[   278.087] 	compiled for 1.11.3, module version = 1.0.0
[   278.087] 	ABI class: X.Org Server Extension, version 6.0
[   278.087] (II) Loading extension XFree86-DRI
[   278.087] (II) LoadModule: "dri2"
[   278.088] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[   278.088] (II) Module dri2: vendor="X.Org Foundation"
[   278.088] 	compiled for 1.11.3, module version = 1.2.0
[   278.088] 	ABI class: X.Org Server Extension, version 6.0
[   278.088] (II) Loading extension DRI2
[   278.088] (==) Matched nvidia as autoconfigured driver 0
[   278.088] (==) Matched nouveau as autoconfigured driver 1
[   278.088] (==) Matched nv as autoconfigured driver 2
[   278.088] (==) Matched vesa as autoconfigured driver 3
[   278.088] (==) Matched fbdev as autoconfigured driver 4
[   278.088] (==) Assigned the driver to the xf86ConfigLayout
[   278.088] (II) LoadModule: "nvidia"
[   278.088] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[   278.089] (II) Module nvidia: vendor="NVIDIA Corporation"
[   278.089] 	compiled for 4.0.2, module version = 1.0.0
[   278.089] 	Module class: X.Org Video Driver
[   278.089] (II) LoadModule: "nouveau"
[   278.094] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
[   278.094] (II) Module nouveau: vendor="X.Org Foundation"
[   278.094] 	compiled for 1.11.3, module version = 0.0.16
[   278.094] 	Module class: X.Org Video Driver
[   278.094] 	ABI class: X.Org Video Driver, version 11.0
[   278.094] (II) LoadModule: "nv"
[   278.095] (WW) Warning, couldn't open module nv
[   278.095] (II) UnloadModule: "nv"
[   278.095] (II) Unloading nv
[   278.095] (EE) Failed to load module "nv" (module does not exist, 0)
[   278.095] (II) LoadModule: "vesa"
[   278.095] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[   278.095] (II) Module vesa: vendor="X.Org Foundation"
[   278.095] 	compiled for 1.11.3, module version = 2.3.0
[   278.095] 	Module class: X.Org Video Driver
[   278.095] 	ABI class: X.Org Video Driver, version 11.0
[   278.095] (II) LoadModule: "fbdev"
[   278.096] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[   278.096] (II) Module fbdev: vendor="X.Org Foundation"
[   278.096] 	compiled for 1.11.3, module version = 0.4.2
[   278.096] 	ABI class: X.Org Video Driver, version 11.0
[   278.096] (==) Matched nvidia as autoconfigured driver 0
[   278.096] (==) Matched nouveau as autoconfigured driver 1
[   278.096] (==) Matched nv as autoconfigured driver 2
[   278.096] (==) Matched vesa as autoconfigured driver 3
[   278.096] (==) Matched fbdev as autoconfigured driver 4
[   278.096] (==) Assigned the driver to the xf86ConfigLayout
[   278.096] (II) LoadModule: "nvidia"
[   278.096] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[   278.096] (II) Module nvidia: vendor="NVIDIA Corporation"
[   278.096] 	compiled for 4.0.2, module version = 1.0.0
[   278.096] 	Module class: X.Org Video Driver
[   278.096] (II) UnloadModule: "nvidia"
[   278.096] (II) Unloading nvidia
[   278.096] (II) Failed to load module "nvidia" (already loaded, 32548)
[   278.096] (II) LoadModule: "nouveau"
[   278.096] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
[   278.096] (II) Module nouveau: vendor="X.Org Foundation"
[   278.096] 	compiled for 1.11.3, module version = 0.0.16
[   278.096] 	Module class: X.Org Video Driver
[   278.096] 	ABI class: X.Org Video Driver, version 11.0
[   278.096] (II) UnloadModule: "nouveau"
[   278.096] (II) Unloading nouveau
[   278.096] (II) Failed to load module "nouveau" (already loaded, 32548)
[   278.096] (II) LoadModule: "nv"
[   278.097] (WW) Warning, couldn't open module nv
[   278.097] (II) UnloadModule: "nv"
[   278.097] (II) Unloading nv
[   278.097] (EE) Failed to load module "nv" (module does not exist, 0)
[   278.097] (II) LoadModule: "vesa"
[   278.097] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[   278.097] (II) Module vesa: vendor="X.Org Foundation"
[   278.097] 	compiled for 1.11.3, module version = 2.3.0
[   278.097] 	Module class: X.Org Video Driver
[   278.097] 	ABI class: X.Org Video Driver, version 11.0
[   278.097] (II) UnloadModule: "vesa"
[   278.097] (II) Unloading vesa
[   278.097] (II) Failed to load module "vesa" (already loaded, 0)
[   278.097] (II) LoadModule: "fbdev"
[   278.098] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[   278.098] (II) Module fbdev: vendor="X.Org Foundation"
[   278.098] 	compiled for 1.11.3, module version = 0.4.2
[   278.098] 	ABI class: X.Org Video Driver, version 11.0
[   278.098] (II) UnloadModule: "fbdev"
[   278.098] (II) Unloading fbdev
[   278.098] (II) Failed to load module "fbdev" (already loaded, 0)
[   278.098] (II) NVIDIA dlloader X Driver  295.40  Thu Apr  5 21:38:35 PDT 2012
[   278.098] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[   278.098] (II) NOUVEAU driver Date:   Wed Nov 30 18:56:54 2011 +0100
[   278.098] (II) NOUVEAU driver for NVIDIA chipset families :
[   278.098] 	RIVA TNT        (NV04)
[   278.098] 	RIVA TNT2       (NV05)
[   278.098] 	GeForce 256     (NV10)
[   278.098] 	GeForce 2       (NV11, NV15)
[   278.098] 	GeForce 4MX     (NV17, NV18)
[   278.098] 	GeForce 3       (NV20)
[   278.098] 	GeForce 4Ti     (NV25, NV28)
[   278.098] 	GeForce FX      (NV3x)
[   278.098] 	GeForce 6       (NV4x)
[   278.098] 	GeForce 7       (G7x)
[   278.098] 	GeForce 8       (G8x)
[   278.098] 	GeForce GTX 200 (NVA0)
[   278.098] 	GeForce GTX 400 (NVC0)
[   278.098] (II) VESA: driver for VESA chipsets: vesa
[   278.098] (II) FBDEV: driver for framebuffer: fbdev
[   278.098] (--) using VT number 8

[   278.102] (II) Loading sub module "fb"
[   278.102] (II) LoadModule: "fb"
[   278.102] (II) Loading /usr/lib/xorg/modules/libfb.so
[   278.102] (II) Module fb: vendor="X.Org Foundation"
[   278.102] 	compiled for 1.11.3, module version = 1.0.0
[   278.102] 	ABI class: X.Org ANSI C Emulation, version 0.4
[   278.102] (II) Loading sub module "wfb"
[   278.102] (II) LoadModule: "wfb"
[   278.102] (II) Loading /usr/lib/xorg/modules/libwfb.so
[   278.102] (II) Module wfb: vendor="X.Org Foundation"
[   278.102] 	compiled for 1.11.3, module version = 1.0.0
[   278.102] 	ABI class: X.Org ANSI C Emulation, version 0.4
[   278.102] (II) Loading sub module "ramdac"
[   278.102] (II) LoadModule: "ramdac"
[   278.102] (II) Module "ramdac" already built-in
[   278.103] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[   278.103] (II) Loading /usr/lib/xorg/modules/libwfb.so
[   278.103] (II) Loading /usr/lib/xorg/modules/libfb.so
[   278.103] (WW) Falling back to old probe method for vesa
[   278.103] (WW) Falling back to old probe method for fbdev
[   278.103] (II) Loading sub module "fbdevhw"
[   278.103] (II) LoadModule: "fbdevhw"
[   278.103] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[   278.103] (II) Module fbdevhw: vendor="X.Org Foundation"
[   278.103] 	compiled for 1.11.3, module version = 0.0.2
[   278.103] 	ABI class: X.Org Video Driver, version 11.0
[   278.103] (EE) open /dev/fb0: No such file or directory
[   278.103] (II) NVIDIA(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[   278.103] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32
[   278.103] (==) NVIDIA(0): RGB weight 888
[   278.103] (==) NVIDIA(0): Default visual is TrueColor
[   278.103] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[   278.103] (**) NVIDIA(0): Enabling 2D acceleration
[   280.341] (II) NVIDIA(GPU-0): Display (Sony SDM-P82 (DFP-0)) does not support NVIDIA 3D
[   280.341] (II) NVIDIA(GPU-0):     Vision stereo.
[   280.344] (II) NVIDIA(0): NVIDIA GPU GeForce 7900 GT/GTO (G71) at PCI:129:0:0 (GPU-0)
[   280.344] (--) NVIDIA(0): Memory: 262144 kBytes
[   280.344] (--) NVIDIA(0): VideoBIOS: 05.71.22.12.02
[   280.344] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[   280.344] (--) NVIDIA(0): Interlaced video modes are supported on this GPU
[   280.344] (--) NVIDIA(0): Connected display device(s) on GeForce 7900 GT/GTO at
[   280.344] (--) NVIDIA(0):     PCI:129:0:0
[   280.344] (--) NVIDIA(0):     Sony SDM-P82 (DFP-0)
[   280.344] (--) NVIDIA(0): Sony SDM-P82 (DFP-0): 330.0 MHz maximum pixel clock
[   280.344] (--) NVIDIA(0): Sony SDM-P82 (DFP-0): Internal Dual Link TMDS
[   280.344] (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID for display
[   280.344] (**) NVIDIA(0):     device Sony SDM-P82 (DFP-0) (Using EDID frequencies has
[   280.344] (**) NVIDIA(0):     been enabled on all display devices.)
[   280.345] (II) NVIDIA(0): Assigned Display Device: DFP-0
[   280.345] (==) NVIDIA(0): 
[   280.345] (==) NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select"
[   280.345] (==) NVIDIA(0):     will be used as the requested mode.
[   280.345] (==) NVIDIA(0): 
[   280.345] (II) NVIDIA(0): Validated modes:
[   280.345] (II) NVIDIA(0):     "nvidia-auto-select"
[   280.345] (II) NVIDIA(0): Virtual screen size determined to be 1280 x 1024
[   280.346] (--) NVIDIA(0): DPI set to (90, 89); computed from "UseEdidDpi" X config
[   280.346] (--) NVIDIA(0):     option
[   280.346] (II) UnloadModule: "nouveau"
[   280.346] (II) Unloading nouveau
[   280.346] (II) UnloadModule: "vesa"
[   280.346] (II) Unloading vesa
[   280.346] (II) UnloadModule: "fbdev"
[   280.346] (II) Unloading fbdev
[   280.346] (II) UnloadModule: "fbdevhw"
[   280.346] (II) Unloading fbdevhw
[   280.346] (--) Depth 24 pixmap format is 32 bpp
[   280.361] (II) NVIDIA(0): Setting mode "nvidia-auto-select"
[   280.543] 
Backtrace:
[   280.543] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f2447b66866]
[   280.543] 1: /usr/bin/X (0x7f24479de000+0x18c70a) [0x7f2447b6a70a]
[   280.543] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f2446d04000+0xfcb0) [0x7f2446d13cb0]
[   280.543] 3: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0x4d2dd3) [0x7f2440e34dd3]
[   280.543] 4: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0xd0665) [0x7f2440a32665]
[   280.543] 5: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0xd0d60) [0x7f2440a32d60]
[   280.543] 6: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0x8f20b) [0x7f24409f120b]
[   280.543] 7: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0xffd93) [0x7f2440a61d93]
[   280.543] 8: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0xc116e) [0x7f2440a2316e]
[   280.543] 9: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0xc54e2) [0x7f2440a274e2]
[   280.543] 10: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so (0x7f2440962000+0x4a39f8) [0x7f2440e059f8]
[   280.543] 11: /usr/bin/X (AddScreen+0x171) [0x7f2447a2cae1]
[   280.544] 12: /usr/bin/X (InitOutput+0x294) [0x7f2447a6c894]
[   280.544] 13: /usr/bin/X (0x7f24479de000+0x3d4dd) [0x7f2447a1b4dd]
[   280.544] 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f2445b9976d]
[   280.544] 15: /usr/bin/X (0x7f24479de000+0x3d99d) [0x7f2447a1b99d]
[   280.544] Segmentation fault at address 0x238
[   280.544] 
Caught signal 11 (Segmentation fault). Server aborting
[   280.544] 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[   280.544] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[   280.544] 
[   280.551]  ddxSigGiveUp: Closing log
[   280.551] Server terminated with error (1). Closing log file.