Same problem on a DELL E4200.
I was also unable to switch on an external display of 1920x1200 (and switch off
laptop screeen). I finally succeed in removing monitors.xml in .config, and
restart xorg. I suspect the bug is more related to compiz than xorg.
(I've also try to add an output of correct resolution in the general setting of
compiz, tab display settings, ... not sure whether this has changed something)
PCI (sysfs)
*-display:0
description: VGA compatible controller
product: Mobile 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 07
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:45 memory:f6c00000-f6ffffff memory:e0000000-efffffff
ioport:ef98(size=8)
*-display:1 UNCLAIMED
description: Display controller
product: Mobile 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2.1
bus info: pci@0000:00:02.1
version: 07
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: latency=0
resources: memory:f6b00000-f6bfffff
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.04
DISTRIB_CODENAME=natty
DISTRIB_DESCRIPTION="Ubuntu 11.04"
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https://bugs.launchpad.net/bugs/776978
Title:
everything on screen is garbled apart from the top bar (2 monitors,
different resolutions, unity, natty)
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