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[Bug 882479] [NEW] [Inspiron N4050] Compiz works unnormally after external VGA connected.

 

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Connected external VGA for few times(generally within 3 times), the gnome windows will work unnormally.
See the attached picture.
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Affected system:
Dell Inspiron N4050(201104-7938)
Dell Vostro 1450(201104-7889)
Dell Inspiron N4050(201104-7891)
Dell Vostro V131(201105-8048)
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ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     1533 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xf7f00000 irq 45'
   Mixer name	: 'Intel CougarPoint HDMI'
   Components	: 'HDA:111d76d1,10280502,00100205 HDA:80862805,80860101,00100000'
   Controls      : 18
   Simple ctrls  : 10
Date: Thu Oct 27 05:49:44 2011
HibernationDevice: RESUME=UUID=d8bdcf15-ac42-483b-90ec-de57d69ac02a
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: Dell Inc. Inspiron N4050
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=b2c8742c-82f3-48ad-88db-040f37fff0e9 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.0.0-12-generic N/A
 linux-backports-modules-3.0.0-12-generic  N/A
 linux-firmware                            1.60
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: X08
dmi.board.name: 4IU010
dmi.board.vendor: Dell Inc.
dmi.board.version: X08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrX08:bd04/01/2011:svnDellInc.:pnInspironN4050:pvrNotSpecified:rvnDellInc.:rn4IU010:rvrX08:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron N4050
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug blocks-hwcert oneiric running-unity staging
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[Inspiron N4050] Compiz works unnormally after external VGA connected.
https://bugs.launchpad.net/bugs/882479
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