When in dual-screen mode desktop is not painted / repainted with second generation Sandy Bridge graphics
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Unity |
New
|
Undecided
|
Unassigned | ||
unity (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
Binary package hint: unity
When connecting an external monitor the panel appears at the top of the external monitor, but the desktop area is completely black. In addition, there is a black strip at the top of my primary screen. As I mouse over the launcher on the left the tool tips appear and never go away and some of the icons are "scrambled". Will attach a screenshot that will likely demonstrate the conditions.
I tried using the Ubuntu, Ubuntu Classic, Ubuntu Classic (No effects) and Unity 2D sessions and only the Ubuntu session exhibited this behaviour. Dual monitors worked fine in all the other sessions, so afaict this is not a problem specific to xorg, the Intel drivers or compiz (though I can't conclude it doesn't involve those components).
Please let me know what other information would be useful.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.8.12-0ubuntu1
ProcVersionSign
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,
CompositorRunning: compiz
DRM.card0.DP.1:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.DP.2:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.DP.3:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.HDMI.A.1:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.HDMI.A.2:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.HDMI.A.3:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
DRM.card0.LVDS.1:
status: connected
enabled: enabled
dpms: On
modes: 1366x768
edid-base64: AP/////
DRM.card0.VGA.1:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
Date: Tue Jun 7 13:39:59 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21da]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
InstallationMed
MachineType: LENOVO 4287CTO
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
ProcVersionSign
Renderer: Unknown
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET42WW (1.12 )
dmi.board.
dmi.board.name: 4287CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 4287CTO
dmi.product.
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4+
version.ia32-libs: ia32-libs 20090808ubuntu13
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.
version.
version.
version.
version.
version.
version.
I have the same issue and get some pretty nasty crashes when using an additional screen.