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[astyonax <1502888@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The HDMI output to an external screen or projector 
is corrupted, the GUI is not responsive and no further configuration can be done.

By corrupted I mean that:
* the screen is blinking from black to some colors and back
* the screen is formed of stripes that, somehow, resemble the desktop, but are misaligned and screwed up.

The system/screen status cannot be restored by disconnecting the HDMI cable, 
but it seems to be not a kernel problem as I can easily restart lightdm
from a terminal (ctrl+alt+f1) to login again.

I tried with and w/o the intel drivers for both the standard kernel and the 4.0.2.
Nothing changes, the problem persists.

HDMI output works perfectly with Gnome Shell, hence I think that this is
a unity/compiz bug.

The problem was not present in July.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: unity 7.3.2+15.04.20150420-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-30.33-generic 3.19.8-ckt6
Uname: Linux 3.19.0-30-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Mon Oct  5 14:34:49 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:3978]
InstallationDate: Installed on 2015-06-07 (120 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20268
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=38d98111-45b8-44b8-902a-b24bba2161fc ro quiet splash vt.handoff=7
SourcePackage: unity
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/13/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 7CCN62WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Cherry 3A Touch
dmi.board.vendor: LENOVO
dmi.board.version: 31900058WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad U330 Touch
dmi.modalias: dmi:bvnLENOVO:bvr7CCN62WW:bd11/13/2014:svnLENOVO:pn20268:pvrIdeaPadU330Touch:rvnLENOVO:rnCherry3ATouch:rvr31900058WIN:cvnLENOVO:ct10:cvrIdeaPadU330Touch:
dmi.product.name: 20268
dmi.product.version: IdeaPad U330 Touch
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.0-~0intel1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.0-~0intel1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Fri Oct  2 15:39:16 2015
xserver.configfile: default
xserver.errors: [dix] ELAN Touchscreen: unable to find touch point 0
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                1331 
 vendor                                     IVO
xserver.version: 2:1.17.1-0ubuntu3.1

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 third-party-packages ubuntu vivid

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https://bugs.launchpad.net/bugs/1502888

Title:
  Corrupted HDMI output with Unity (works with, eg, Gnome shell)

Status in unity package in Ubuntu:
  New

Bug description:
  The HDMI output to an external screen or projector 
  is corrupted, the GUI is not responsive and no further configuration can be done.

  By corrupted I mean that:
  * the screen is blinking from black to some colors and back
  * the screen is formed of stripes that, somehow, resemble the desktop, but are misaligned and screwed up.

  The system/screen status cannot be restored by disconnecting the HDMI cable, 
  but it seems to be not a kernel problem as I can easily restart lightdm
  from a terminal (ctrl+alt+f1) to login again.

  I tried with and w/o the intel drivers for both the standard kernel and the 4.0.2.
  Nothing changes, the problem persists.

  HDMI output works perfectly with Gnome Shell, hence I think that this
  is a unity/compiz bug.

  The problem was not present in July.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: unity 7.3.2+15.04.20150420-0ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-30.33-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Mon Oct  5 14:34:49 2015
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:3978]
  InstallationDate: Installed on 2015-06-07 (120 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: LENOVO 20268
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=38d98111-45b8-44b8-902a-b24bba2161fc ro quiet splash vt.handoff=7
  SourcePackage: unity
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/13/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7CCN62WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Cherry 3A Touch
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: IdeaPad U330 Touch
  dmi.modalias: dmi:bvnLENOVO:bvr7CCN62WW:bd11/13/2014:svnLENOVO:pn20268:pvrIdeaPadU330Touch:rvnLENOVO:rnCherry3ATouch:rvr31900058WIN:cvnLENOVO:ct10:cvrIdeaPadU330Touch:
  dmi.product.name: 20268
  dmi.product.version: IdeaPad U330 Touch
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.0-~0intel1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.0-~0intel1
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Fri Oct  2 15:39:16 2015
  xserver.configfile: default
  xserver.errors: [dix] ELAN Touchscreen: unable to find touch point 0
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                1331 
   vendor                                     IVO
  xserver.version: 2:1.17.1-0ubuntu3.1

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