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[Bug 726496] Re: Cannot use Unity or Classic desktop with effects after the latest nvidia+xorg update

 

FPS dropping to 3/4 after a short period in game, was not an issue
before upgrading from Ubuntu 10.10.

Xubuntu 11.04:

dusf@banshee:~$ lspci | grep nVidia
01:00.0 VGA compatible controller: nVidia Corporation G72 [GeForce 7300 LE] (rev a1)

dusf@banshee:~$ jockey-text -l
xorg:nvidia_173 - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, Not in use)

dusf@banshee:~$ lspci -k
01:00.0 VGA compatible controller: nVidia Corporation G72 [GeForce 7300 LE] (rev a1)
Subsystem: Dell Device 0405
Kernel driver in use: nvidia
Kernel modules: nvidia-173, nvidia-current, nouveau, nvidiafb

WINE HQ advised me 'You are using both the proprietary and FOSS drivers. Remove the FOSS
drivers (nouveau) and use only the nVidia supplied drivers. '

Because I could not find any single 'nouveau' package in synaptic I
tried uninstalling xserver-xorg-video-nouveau, but on reboot lspci -k
was still exactly as it was previously, with nouveua.

***************************************************************************************************************************************************************************************************************************************************************************************************************************************************************

If relevant, the contents of my xorg.conf:

 Section "Screen"
   Identifier   "Default Screen"
   DefaultDepth   24
EndSection

Section "Module"
   Load   "glx"
EndSection

Section "Device"
   Identifier   "Default Device"
   Driver   "nvidia"
   Option   "NoLogo"   "True"
EndSection 

***************************************************************************************************************************************************************************************************************************************************************************************************************************************************************

Contents of /var/log/Xorg.0.log:

[    22.519]
X.Org X Server 1.10.1
Release Date: 2011-04-15
[    22.519] X Protocol Version 11, Revision 0
[    22.519] Build Operating System: Linux 2.6.24-29-server i686 Ubuntu
[    22.519] Current Operating System: Linux skyrocket 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686
[    22.519] Kernel command line: BOOT_IMAGE=/vmlinuz-2.6.38-8-generic root=UUID=ef405805-13f0-47e9-b625-ce8155ea3e4d ro quiet splash vt.handoff=7
[    22.519] Build Date: 19 April 2011  03:33:17PM
[    22.519] xorg-server 2:1.10.1-1ubuntu1 (For technical support please see http://www.ubuntu.com/support)
[    22.519] Current version of pixman: 0.20.2
[    22.519]    Before reporting problems, check http://wiki.x.org
   to make sure that you have the latest version.
[    22.519] Markers: (--) probed, (**) from config file, (==) default setting,
   (++) from command line, (!!) notice, (II) informational,
   (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    22.519] (==) Log file: "/var/log/Xorg.0.log", Time: Sun May  8 02:51:41 2011
[    22.519] (==) Using config file: "/etc/X11/xorg.conf"
[    22.519] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    22.520] (==) No Layout section.  Using the first Screen section.
[    22.520] (**) |-->Screen "Default Screen" (0)
[    22.520] (**) |   |-->Monitor "<default monitor>"
[    22.520] (==) No device specified for screen "Default Screen".
   Using the first device section listed.
[    22.520] (**) |   |-->Device "Default Device"
[    22.520] (==) No monitor specified for screen "Default Screen".
   Using a default monitor configuration.
[    22.520] (==) Automatically adding devices
[    22.520] (==) Automatically enabling devices
[    22.520] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[    22.520]    Entry deleted from font path.
[    22.520] (==) 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
[    22.520] (==) ModulePath set to "/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[    22.520] (II) The server relies on udev to provide the list of input devices.
   If no devices become available, reconfigure udev or disable AutoAddDevices.
[    22.520] (II) Loader magic: 0x81ffde0
[    22.520] (II) Module ABI versions:
[    22.520]    X.Org ANSI C Emulation: 0.4
[    22.520]    X.Org Video Driver: 10.0
[    22.520]    X.Org XInput driver : 12.3
[    22.520]    X.Org Server Extension : 5.0
[    22.521] (--) PCI:*(0:1:0:0) 10de:01d1:1028:0405 rev 161, Mem @ 0xdd000000/16777216, 0xc0000000/268435456, 0xde000000/16777216, BIOS @ 0x????????/131072
[    22.521] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[    22.521] (II) "extmod" will be loaded by default.
[    22.521] (II) "dbe" will be loaded by default.
[    22.521] (II) "glx" will be loaded. This was enabled by default and also specified in the config file.
[    22.521] (II) "record" will be loaded by default.
[    22.521] (II) "dri" will be loaded by default.
[    22.521] (II) "dri2" will be loaded by default.
[    22.521] (II) LoadModule: "glx"
[    22.522] (II) Loading /usr/lib/xorg/extra-modules/libglx.so
[    22.555] (II) Module glx: vendor="NVIDIA Corporation"
[    22.555]    compiled for 4.0.2, module version = 1.0.0
[    22.555]    Module class: X.Org Server Extension
[    22.555] (II) NVIDIA GLX Module  270.41.06  Mon Apr 18 15:11:28 PDT 2011
[    22.555] (II) Loading extension GLX
[    22.555] (II) LoadModule: "extmod"
[    22.555] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[    22.555] (II) Module extmod: vendor="X.Org Foundation"
[    22.555]    compiled for 1.10.1, module version = 1.0.0
[    22.555]    Module class: X.Org Server Extension
[    22.555]    ABI class: X.Org Server Extension, version 5.0
[    22.555] (II) Loading extension MIT-SCREEN-SAVER
[    22.556] (II) Loading extension XFree86-VidModeExtension
[    22.556] (II) Loading extension XFree86-DGA
[    22.556] (II) Loading extension DPMS
[    22.556] (II) Loading extension XVideo
[    22.556] (II) Loading extension XVideo-MotionCompensation
[    22.556] (II) Loading extension X-Resource
[    22.556] (II) LoadModule: "dbe"
[    22.556] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[    22.556] (II) Module dbe: vendor="X.Org Foundation"
[    22.556]    compiled for 1.10.1, module version = 1.0.0
[    22.556]    Module class: X.Org Server Extension
[    22.556]    ABI class: X.Org Server Extension, version 5.0
[    22.556] (II) Loading extension DOUBLE-BUFFER
[    22.556] (II) LoadModule: "record"
[    22.556] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
[    22.556] (II) Module record: vendor="X.Org Foundation"
[    22.556]    compiled for 1.10.1, module version = 1.13.0
[    22.556]    Module class: X.Org Server Extension
[    22.556]    ABI class: X.Org Server Extension, version 5.0
[    22.556] (II) Loading extension RECORD
[    22.556] (II) LoadModule: "dri"
[    22.557] (II) Loading /usr/lib/xorg/modules/extensions/libdri.so
[    22.557] (II) Module dri: vendor="X.Org Foundation"
[    22.557]    compiled for 1.10.1, module version = 1.0.0
[    22.557]    ABI class: X.Org Server Extension, version 5.0
[    22.557] (II) Loading extension XFree86-DRI
[    22.557] (II) LoadModule: "dri2"
[    22.557] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[    22.557] (II) Module dri2: vendor="X.Org Foundation"
[    22.557]    compiled for 1.10.1, module version = 1.2.0
[    22.557]    ABI class: X.Org Server Extension, version 5.0
[    22.557] (II) Loading extension DRI2
[    22.557] (II) LoadModule: "nvidia"
[    22.557] (II) Loading /usr/lib/xorg/extra-modules/nvidia_drv.so
[    22.558] (II) Module nvidia: vendor="NVIDIA Corporation"
[    22.558]    compiled for 4.0.2, module version = 1.0.0
[    22.558]    Module class: X.Org Video Driver
[    22.558] (II) NVIDIA dlloader X Driver  270.41.06  Mon Apr 18 14:55:51 PDT 2011
[    22.558] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    22.558] (++) using VT number 7

[    22.558] (II) Loading sub module "fb"
[    22.558] (II) LoadModule: "fb"
[    22.568] (II) Loading /usr/lib/xorg/modules/libfb.so
[    22.568] (II) Module fb: vendor="X.Org Foundation"
[    22.568]    compiled for 1.10.1, module version = 1.0.0
[    22.568]    ABI class: X.Org ANSI C Emulation, version 0.4
[    22.568] (II) Loading sub module "wfb"
[    22.568] (II) LoadModule: "wfb"
[    22.569] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    22.569] (II) Module wfb: vendor="X.Org Foundation"
[    22.569]    compiled for 1.10.1, module version = 1.0.0
[    22.569]    ABI class: X.Org ANSI C Emulation, version 0.4
[    22.569] (II) Loading sub module "ramdac"
[    22.569] (II) LoadModule: "ramdac"
[    22.569] (II) Module "ramdac" already built-in
[    22.569] (II) Loading /usr/lib/xorg/extra-modules/nvidia_drv.so
[    22.569] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    22.569] (II) Loading /usr/lib/xorg/modules/libfb.so
[    22.569] (II) NVIDIA(0): Creating default Display subsection in Screen section
   "Default Screen" for depth/fbbpp 24/32
[    22.569] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[    22.569] (==) NVIDIA(0): RGB weight 888
[    22.569] (==) NVIDIA(0): Default visual is TrueColor
[    22.569] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[    22.569] (**) NVIDIA(0): Option "NoLogo" "True"
[    23.682] (II) NVIDIA(GPU-0): Display (DELL SE197FP (CRT-0)) does not support NVIDIA 3D
[    23.682] (II) NVIDIA(GPU-0):     Vision stereo.
[    23.684] (II) NVIDIA(0): NVIDIA GPU GeForce 7300 LE (G72) at PCI:1:0:0 (GPU-0)
[    23.684] (--) NVIDIA(0): Memory: 524288 kBytes
[    23.684] (--) NVIDIA(0): VideoBIOS: 05.72.22.49.09
[    23.684] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[    23.684] (--) NVIDIA(0): Interlaced video modes are supported on this GPU
[    23.684] (--) NVIDIA(0): Connected display device(s) on GeForce 7300 LE at PCI:1:0:0
[    23.684] (--) NVIDIA(0):     DELL SE197FP (CRT-0)
[    23.684] (--) NVIDIA(0): DELL SE197FP (CRT-0): 400.0 MHz maximum pixel clock
[    23.684] (II) NVIDIA(0): Assigned Display Device: CRT-0
[    23.684] (==) NVIDIA(0):
[    23.684] (==) NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select"
[    23.685] (==) NVIDIA(0):     will be used as the requested mode.
[    23.685] (==) NVIDIA(0):
[    23.685] (II) NVIDIA(0): Validated modes:
[    23.685] (II) NVIDIA(0):     "nvidia-auto-select"
[    23.685] (II) NVIDIA(0): Virtual screen size determined to be 1280 x 1024
[    23.686] (--) NVIDIA(0): DPI set to (85, 83); computed from "UseEdidDpi" X config
[    23.686] (--) NVIDIA(0):     option
[    23.686] (--) Depth 24 pixmap format is 32 bpp
[    23.691] (II) NVIDIA(0): Setting mode "nvidia-auto-select"
[    23.757] (II) Loading extension NV-GLX
[    23.792] (==) NVIDIA(0): Disabling shared memory pixmaps
[    23.792] (==) NVIDIA(0): Backing store disabled
[    23.792] (==) NVIDIA(0): Silken mouse enabled
[    23.792] (==) NVIDIA(0): DPMS enabled
[    23.793] (II) Loading extension NV-CONTROL
[    23.793] (II) Loading extension XINERAMA
[    23.793] (II) Loading sub module "dri2"
[    23.793] (II) LoadModule: "dri2"
[    23.793] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[    23.793] (II) Module dri2: vendor="X.Org Foundation"
[    23.793]    compiled for 1.10.1, module version = 1.2.0
[    23.793]    ABI class: X.Org Server Extension, version 5.0
[    23.793] (II) NVIDIA(0): [DRI2] Setup complete
[    23.793] (==) RandR enabled
[    23.793] (II) Initializing built-in extension Generic Event Extension
[    23.793] (II) Initializing built-in extension SHAPE
[    23.794] (II) Initializing built-in extension MIT-SHM
[    23.794] (II) Initializing built-in extension XInputExtension
[    23.794] (II) Initializing built-in extension XTEST
[    23.794] (II) Initializing built-in extension BIG-REQUESTS
[    23.794] (II) Initializing built-in extension SYNC
[    23.794] (II) Initializing built-in extension XKEYBOARD
[    23.794] (II) Initializing built-in extension XC-MISC
[    23.794] (II) Initializing built-in extension SECURITY
[    23.794] (II) Initializing built-in extension XINERAMA
[    23.794] (II) Initializing built-in extension XFIXES
[    23.794] (II) Initializing built-in extension RENDER
[    23.794] (II) Initializing built-in extension RANDR
[    23.794] (II) Initializing built-in extension COMPOSITE
[    23.794] (II) Initializing built-in extension DAMAGE
[    23.794] (II) Initializing built-in extension GESTURE
[    23.794] (II) Initializing extension GLX
[    23.840] (II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
[    23.854] (II) config/udev: Adding input device Power Button (/dev/input/event1)
[    23.854] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[    23.854] (II) LoadModule: "evdev"
[    23.855] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.855] (II) Module evdev: vendor="X.Org Foundation"
[    23.855]    compiled for 1.10.0.902, module version = 2.6.0
[    23.855]    Module class: X.Org XInput Driver
[    23.855]    ABI class: X.Org XInput driver, version 12.3
[    23.855] (II) Using input driver 'evdev' for 'Power Button'
[    23.855] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.855] (**) Power Button: always reports core events
[    23.856] (**) Power Button: Device: "/dev/input/event1"
[    23.856] (--) Power Button: Found keys
[    23.856] (II) Power Button: Configuring as keyboard
[    23.856] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1/event1"
[    23.856] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
[    23.856] (**) Option "xkb_rules" "evdev"
[    23.856] (**) Option "xkb_model" "pc105"
[    23.856] (**) Option "xkb_layout" "ie"
[    23.859] (II) XKB: reuse xkmfile /var/lib/xkb/server-D63B65A598D87ADD63BB2A7251A4C90D6C2F46D8.xkm
[    23.862] (II) config/udev: Adding input device Power Button (/dev/input/event0)
[    23.862] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[    23.862] (II) Using input driver 'evdev' for 'Power Button'
[    23.862] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.862] (**) Power Button: always reports core events
[    23.862] (**) Power Button: Device: "/dev/input/event0"
[    23.862] (--) Power Button: Found keys
[    23.862] (II) Power Button: Configuring as keyboard
[    23.862] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0/event0"
[    23.862] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
[    23.862] (**) Option "xkb_rules" "evdev"
[    23.862] (**) Option "xkb_model" "pc105"
[    23.862] (**) Option "xkb_layout" "ie"
[    23.866] (II) config/udev: Adding input device HDA Intel HP Out at Ext Front Jack (/dev/input/event10)
[    23.866] (II) No input driver/identifier specified (ignoring)
[    23.867] (II) config/udev: Adding input device HDA Intel Line In at Ext Rear Jack (/dev/input/event3)
[    23.867] (II) No input driver/identifier specified (ignoring)
[    23.867] (II) config/udev: Adding input device HDA Intel Mic at Ext Rear Jack (/dev/input/event4)
[    23.867] (II) No input driver/identifier specified (ignoring)
[    23.868] (II) config/udev: Adding input device HDA Intel Mic at Ext Front Jack (/dev/input/event5)
[    23.868] (II) No input driver/identifier specified (ignoring)
[    23.868] (II) config/udev: Adding input device HDA Intel Speaker at Ext Rear Jack (/dev/input/event6)
[    23.868] (II) No input driver/identifier specified (ignoring)
[    23.868] (II) config/udev: Adding input device HDA Intel Speaker at Ext Rear Jack (/dev/input/event7)
[    23.868] (II) No input driver/identifier specified (ignoring)
[    23.869] (II) config/udev: Adding input device HDA Intel Speaker at Ext Rear Jack (/dev/input/event8)
[    23.869] (II) No input driver/identifier specified (ignoring)
[    23.869] (II) config/udev: Adding input device HDA Intel Speaker at Ext Rear Jack (/dev/input/event9)
[    23.869] (II) No input driver/identifier specified (ignoring)
[    23.871] (II) config/udev: Adding input device USB Optical Mouse USB Optical Mouse (/dev/input/event13)
[    23.871] (**) USB Optical Mouse USB Optical Mouse: Applying InputClass "evdev pointer catchall"
[    23.871] (II) Using input driver 'evdev' for 'USB Optical Mouse USB Optical Mouse'
[    23.871] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.871] (**) USB Optical Mouse USB Optical Mouse: always reports core events
[    23.871] (**) USB Optical Mouse USB Optical Mouse: Device: "/dev/input/event13"
[    23.871] (--) USB Optical Mouse USB Optical Mouse: Found 10 mouse buttons
[    23.871] (--) USB Optical Mouse USB Optical Mouse: Found scroll wheel(s)
[    23.871] (--) USB Optical Mouse USB Optical Mouse: Found relative axes
[    23.871] (--) USB Optical Mouse USB Optical Mouse: Found x and y relative axes
[    23.871] (II) USB Optical Mouse USB Optical Mouse: Configuring as mouse
[    23.871] (II) USB Optical Mouse USB Optical Mouse: Adding scrollwheel support
[    23.871] (**) USB Optical Mouse USB Optical Mouse: YAxisMapping: buttons 4 and 5
[    23.871] (**) USB Optical Mouse USB Optical Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[    23.871] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.1/usb6/6-1/6-1:1.0/input/input13/event13"
[    23.871] (II) XINPUT: Adding extended input device "USB Optical Mouse USB Optical Mouse" (type: MOUSE)
[    23.871] (II) USB Optical Mouse USB Optical Mouse: initialized for relative axes.
[    23.872] (**) USB Optical Mouse USB Optical Mouse: (accel) keeping acceleration scheme 1
[    23.872] (**) USB Optical Mouse USB Optical Mouse: (accel) acceleration profile 0
[    23.872] (**) USB Optical Mouse USB Optical Mouse: (accel) acceleration factor: 2.000
[    23.872] (**) USB Optical Mouse USB Optical Mouse: (accel) acceleration threshold: 4
[    23.872] (II) config/udev: Adding input device USB Optical Mouse USB Optical Mouse (/dev/input/mouse0)
[    23.872] (II) No input driver/identifier specified (ignoring)
[    23.873] (II) config/udev: Adding input device Dell Dell USB Keyboard (/dev/input/event11)
[    23.873] (**) Dell Dell USB Keyboard: Applying InputClass "evdev keyboard catchall"
[    23.873] (II) Using input driver 'evdev' for 'Dell Dell USB Keyboard'
[    23.873] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.874] (**) Dell Dell USB Keyboard: always reports core events
[    23.874] (**) Dell Dell USB Keyboard: Device: "/dev/input/event11"
[    23.874] (--) Dell Dell USB Keyboard: Found keys
[    23.874] (II) Dell Dell USB Keyboard: Configuring as keyboard
[    23.874] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.1/7-1.1:1.0/input/input11/event11"
[    23.874] (II) XINPUT: Adding extended input device "Dell Dell USB Keyboard" (type: KEYBOARD)
[    23.874] (**) Option "xkb_rules" "evdev"
[    23.874] (**) Option "xkb_model" "pc105"
[    23.874] (**) Option "xkb_layout" "ie"
[    23.875] (II) config/udev: Adding input device Dell Dell USB Keyboard (/dev/input/event12)
[    23.875] (**) Dell Dell USB Keyboard: Applying InputClass "evdev keyboard catchall"
[    23.875] (II) Using input driver 'evdev' for 'Dell Dell USB Keyboard'
[    23.875] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.875] (**) Dell Dell USB Keyboard: always reports core events
[    23.875] (**) Dell Dell USB Keyboard: Device: "/dev/input/event12"
[    23.875] (--) Dell Dell USB Keyboard: Found absolute axes
[    23.875] (II) evdev-grail: failed to open grail, no gesture support
[    23.875] (--) Dell Dell USB Keyboard: Found keys
[    23.875] (II) Dell Dell USB Keyboard: Configuring as mouse
[    23.875] (II) Dell Dell USB Keyboard: Configuring as keyboard
[    23.875] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.1/7-1.1:1.1/input/input12/event12"
[    23.875] (II) XINPUT: Adding extended input device "Dell Dell USB Keyboard" (type: KEYBOARD)
[    23.875] (**) Option "xkb_rules" "evdev"
[    23.875] (**) Option "xkb_model" "pc105"
[    23.875] (**) Option "xkb_layout" "ie"
[    23.876] (II) Dell Dell USB Keyboard: initialized for absolute axes.
[    23.876] (**) Dell Dell USB Keyboard: (accel) keeping acceleration scheme 1
[    23.876] (**) Dell Dell USB Keyboard: (accel) acceleration profile 0
[    23.876] (**) Dell Dell USB Keyboard: (accel) acceleration factor: 2.000
[    23.876] (**) Dell Dell USB Keyboard: (accel) acceleration threshold: 4
[    23.879] (II) config/udev: Adding input device USB 2.0 Camera (/dev/input/event2)
[    23.879] (**) USB 2.0 Camera: Applying InputClass "evdev keyboard catchall"
[    23.879] (II) Using input driver 'evdev' for 'USB 2.0 Camera'
[    23.879] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[    23.880] (**) USB 2.0 Camera: always reports core events
[    23.880] (**) USB 2.0 Camera: Device: "/dev/input/event2"
[    23.880] (--) USB 2.0 Camera: Found keys
[    23.880] (II) USB 2.0 Camera: Configuring as keyboard
[    23.880] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4:1.0/input/input2/event2"
[    23.880] (II) XINPUT: Adding extended input device "USB 2.0 Camera" (type: KEYBOARD)
[    23.880] (**) Option "xkb_rules" "evdev"
[    23.880] (**) Option "xkb_model" "pc105"
[    23.880] (**) Option "xkb_layout" "ie"
[   176.210] (II) NVIDIA(0): Setting mode "1280x1024_75"

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Menu >> System >> NVidia Server Settings brings up the options menu. and
says I am using NVIDIA Driver version: 270.41.06.

Blacklisting nouveau boot options in /etc/default/grub with
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset rdblacklist=nouveau",
then executing sudo-update grub and rebooting changed nothing.

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https://bugs.launchpad.net/bugs/726496

Title:
  Cannot use Unity or Classic desktop with effects after the latest
  nvidia+xorg update


References