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[Alex Willmer <alex@xxxxxxxxxxxxxx>]

Public bug reported:

Prior to install Wily Werewolf I could use external displays - including
an Apple Cinema 27 (mini DisplayPort) and various projectors (Mini-DP to
VGA). Since installing Wily external displays show corrupted visuals.

For instance right now, when I plug in an Apple Cinema 27 the display
initially shows the contents of my internal display prior to plugging
in, but tiled and flashing on/off at about 1 Hz. The display does not
update if I type a letter. If I move the mouse the flashing becomes a
fast flicker, perhaps 10 Hz. The internal display recovers, once the
cable is unplugged. I see similar behaviour with a 1080p television,
using either the built in HDMI or  Mini-DP -> HDMI

The same display and laptop work under OSX and previously worked with
Ubuntu 15.04.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-video-intel 2:2.99.917-1ubuntu1
ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3
Uname: Linux 4.1.0-3-generic x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
 
ApportVersion: 2.18-0ubuntu7
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,grid,regex,mousepoll,vpswitch,place,wall,move,snap,session,gnomecompat,resize,imgpng,animation,expo,workarounds,fade,scale,ezoom,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Tue Aug 25 09:02:10 2015
DistUpgraded: 2015-07-29 16:30:41,046 DEBUG running apport_crash()
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 6.30.223.248+bdcom, 4.1.0-3-generic, x86_64: installed
 virtualbox, 5.0.2, 4.1.0-3-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Crystal Well Integrated Graphics Controller [8086:0d26] (rev 08) (prog-if 00 [VGA controller])
   Subsystem: Apple Inc. Device [106b:012e]
InstallationDate: Installed on 2015-01-24 (212 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: Apple Inc. MacBookPro11,2
PlymouthDebug: Error: [Errno 13] Permission denied: '/var/log/plymouth-debug.log'
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.1.0-3-generic.efi.signed root=UUID=d846ddfa-b48d-44b4-ab28-6c3a00d0252c ro rootflags=subvol=@ plymouth:debug splash quiet drm.debug=0xe
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to wily on 2015-07-29 (26 days ago)
dmi.bios.date: 01/07/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP112.88Z.0138.B14.1501071031
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-3CBD00234E554E41
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-3CBD00234E554E41
dmi.modalias: dmi:bvnAppleInc.:bvrMBP112.88Z.0138.B14.1501071031:bd01/07/2015:svnAppleInc.:pnMacBookPro11,2:pvr1.0:rvnAppleInc.:rnMac-3CBD00234E554E41:rvrMacBookPro11,2:cvnAppleInc.:ct10:cvrMac-3CBD00234E554E41:
dmi.product.name: MacBookPro11,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.12.1+15.10.20150805-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.3-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.3-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Tue Aug 25 07:46:49 2015
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                               40985 
 vendor                                     APP
xserver.version: 2:1.17.2-1ubuntu3

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 ubuntu wily

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1488409

Title:
  [MacbookPro11,2] Using external displays show corrupted, flickering
  images

Status in xserver-xorg-video-intel package in Ubuntu:
  New

Bug description:
  Prior to install Wily Werewolf I could use external displays -
  including an Apple Cinema 27 (mini DisplayPort) and various projectors
  (Mini-DP to VGA). Since installing Wily external displays show
  corrupted visuals.

  For instance right now, when I plug in an Apple Cinema 27 the display
  initially shows the contents of my internal display prior to plugging
  in, but tiled and flashing on/off at about 1 Hz. The display does not
  update if I type a letter. If I move the mouse the flashing becomes a
  fast flicker, perhaps 10 Hz. The internal display recovers, once the
  cable is unplugged. I see similar behaviour with a 1080p television,
  using either the built in HDMI or  Mini-DP -> HDMI

  The same display and laptop work under OSX and previously worked with
  Ubuntu 15.04.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xserver-xorg-video-intel 2:2.99.917-1ubuntu1
  ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3
  Uname: Linux 4.1.0-3-generic x86_64
  NonfreeKernelModules: wl
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.18-0ubuntu7
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,grid,regex,mousepoll,vpswitch,place,wall,move,snap,session,gnomecompat,resize,imgpng,animation,expo,workarounds,fade,scale,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Tue Aug 25 09:02:10 2015
  DistUpgraded: 2015-07-29 16:30:41,046 DEBUG running apport_crash()
  DistroCodename: wily
  DistroVariant: ubuntu
  DkmsStatus:
   bcmwl, 6.30.223.248+bdcom, 4.1.0-3-generic, x86_64: installed
   virtualbox, 5.0.2, 4.1.0-3-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Crystal Well Integrated Graphics Controller [8086:0d26] (rev 08) (prog-if 00 [VGA controller])
     Subsystem: Apple Inc. Device [106b:012e]
  InstallationDate: Installed on 2015-01-24 (212 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Apple Inc. MacBookPro11,2
  PlymouthDebug: Error: [Errno 13] Permission denied: '/var/log/plymouth-debug.log'
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.1.0-3-generic.efi.signed root=UUID=d846ddfa-b48d-44b4-ab28-6c3a00d0252c ro rootflags=subvol=@ plymouth:debug splash quiet drm.debug=0xe
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: Upgraded to wily on 2015-07-29 (26 days ago)
  dmi.bios.date: 01/07/2015
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP112.88Z.0138.B14.1501071031
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-3CBD00234E554E41
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro11,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-3CBD00234E554E41
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP112.88Z.0138.B14.1501071031:bd01/07/2015:svnAppleInc.:pnMacBookPro11,2:pvr1.0:rvnAppleInc.:rnMac-3CBD00234E554E41:rvrMacBookPro11,2:cvnAppleInc.:ct10:cvrMac-3CBD00234E554E41:
  dmi.product.name: MacBookPro11,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz 1:0.9.12.1+15.10.20150805-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.64-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.3-1ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.3-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
  xserver.bootTime: Tue Aug 25 07:46:49 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               40985 
   vendor                                     APP
  xserver.version: 2:1.17.2-1ubuntu3

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