I had a very similar problem in 8.10 (amd64) and now have the same
similar thing in 9.04 (amd64).
For me the desktop just freezes when I start compiz. It doesn't go
black, it just stays exactly the same: can't change the background,
animations don't work, and file/folder icons don't update.
Of note: When I use the proprietary driver v180 my desktop completely
locks up with compiz. The screen flashes and rendering becomes erratic.
I have to hard-shutdown to recover and reconfigure the xserver in
recovery mode to get back to work. Using the older v173 to run compiz
leaves me with the stuck desktop - but at least it runs!
lshw returns the following about my video card:
*-pci
description: Host bridge
product: 82Q963/Q965 Memory Controller Hub
vendor: Intel Corporation
physical id: 100
bus info: p...@0000:00:00.0
version: 02
width: 32 bits
clock: 33MHz
*-pci:0
description: PCI bridge
product: 82Q963/Q965 PCI Express Root Port
vendor: Intel Corporation
physical id: 1
bus info: p...@0000:00:01.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pci pm msi pciexpress bus_master cap_list
configuration: driver=pcieport-driver
*-display
description: VGA compatible controller
product: GeForce 8400 GS
vendor: nVidia Corporation
physical id: 0
bus info: p...@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=nvidia latency=0 module=nvidia
Could the problem be related to the 64 bit system and vid card, with
only a 32 bit pci bridge?
What else can I provide to help find a resolution to this problem?
Cheers.
--
In a dual head setup with different resolutions, background wallpaper + desktop
icons disappear when compiz runs
https://bugs.launchpad.net/bugs/160226
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