Compiz fails to produce effects on second monitor

[keepitsimpleengr]

After over a year of nicely working, suddenly compiz fails to produce any effects on second screen. Primay screen works as before.

At boot an login, screen1 (of screen0, screen1) retains the log in screen without background. After reloading the window manager, the wall paper appears with scree1 icons and gnome panels. Mouse actions on screen1 produce no result (as if the screen were am image).

Chnging the window manager to metacity from compiz disables compiz effects (cube & 3D windows) but actions previously done with the mosue now become visiable.

The screens are set up as separate X windows.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: compiz 1:0.8.4-0ubuntu15.3
ProcVersionSignature: Ubuntu 2.6.32-41.90-generic 2.6.32.59+drm33.24
Uname: Linux 2.6.32-41-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CompizPlugins: [core,put,place,svg,neg,text,workarounds,vpswitch,commands,dbus,png,session,mousepoll,imgjpeg,resize,gnomecompat,regex,resizeinfo,decoration,fade,staticswitcher,cube,expo,move,3d,scale,rotate,scaleaddon]
Date: Thu Jun 21 12:31:15 2012
Lsusb:
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 004: ID 04ca:002a Lite-On Technology Corp.
 Bus 001 Device 003: ID 1532:0012 Razer USA, Ltd
 Bus 001 Device 002: ID 03f0:2524 Hewlett-Packard LP3065 30" Monitor Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: EVGA 132-YW-E178-FTW
PackageArchitecture: all
PciDisplay: 03:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:1200] (rev a1)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-41-generic root=UUID=6a98b6c0-9ccf-477b-b197-d73c4162f581 ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
RelatedPackageVersions:
 xserver-xorg 1:7.5+5ubuntu1.1
 libgl1-mesa-glx 7.7.1-1ubuntu3
 libdrm2 2.4.18-1ubuntu3
 xserver-xorg-video-intel 2:2.9.1-3ubuntu5
 xserver-xorg-video-ati N/A
SourcePackage: compiz
dmi.bios.date: 01/23/2009
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: 132-YW-E178-FTW
dmi.board.vendor: EVGA
dmi.board.version: 1
dmi.chassis.type: 3
dmi.chassis.vendor: EVGA
dmi.chassis.version: 132-YW-E178-FTW
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd01/23/2009:svnEVGA:pn132-YW-E178-FTW:pvr1:rvnEVGA:rn132-YW-E178-FTW:rvr1:cvnEVGA:ct3:cvr132-YW-E178-FTW:
dmi.product.name: 132-YW-E178-FTW
dmi.product.version: 1
dmi.sys.vendor: EVGA
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.32-41-generic

[keepitsimpleengr (keepitsimpleengineer)]

Just as suddenly, it's working again...