Hello Christopher,

In some recent tests:
a. It occurs with monitor connected either on the laptop's HDMI, or the 
docking stations HDMI.
b. In one case monitor is VGA (with converter), in the other it is HDMI.
c. I have no access to other type, for the moment.
d. I have not disabled the card, but I have used it only with power 
supply, so perfromance profile should be enabled.
e. The nvidia proprietary does not work correctly. It causes a lot of 
issues, including image corruption and freezing of all when suspending. 
Also, it does not properly drive the externral monitor.
f. I will try to check with the image you mentioned. However, the 
problem seems to exist since quite some time. My system is fully updated 
to the most current modification.
g. The flickering on basic monitor changes with what windows are open. 
For example, it is always worse when evolution is maximized there.
Some times it goes away if I open a gedit write some few lines and then 
mark them using the mouse. Sometimes it just needs few clicks within the 
flickering area or even just leaving the cursor there for few seconds.
h. For the external monitor issue, the two programs that suffer most are 
HipChat and Viber. Both are fine if one part resides on the standard 
monitor.

Michael


Στις 12.01.2017 07:16, Christopher M. Penalver έγραψε:
> Michael Grivas, thank you for reporting this and helping make Ubuntu
> better.
> 
> 1) Could you please advise how your monitor and laptop are connected
> (ex. HDMI, VGA, etc.)?
> 2) Does using the nvidia proprietary driver change anything regarding 
> this?
> 3) If you disable the graphics card via your BIOS does this influence
> this issue?
> 4) To see if this is already resolved in Ubuntu, could you please test
> http://cdimage.ubuntu.com/daily-live/current/ and advise to the
> results?
> 
> ** Changed in: xorg (Ubuntu)
>    Importance: Undecided => Low
> 
> ** Changed in: xorg (Ubuntu)
>        Status: New => Incomplete
> 
> --
> You received this bug notification because you are subscribed to the 
> bug
> report.
> https://bugs.launchpad.net/bugs/1645891
> 
> Title:
>   After adding a second monitor, mouse pointer flickers and/or
>   disappears in a zone near the top of first (notebook) monitor, while
>   some apps show slow in ext display.
> 
> Status in xorg package in Ubuntu:
>   Incomplete
> 
> Bug description:
>   It seems to be duplicate of both :
>   https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1641467
>   and
>   https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1629300  .
>   Possibly related to
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1278223
> 
>   A - flickering in first display.
>   The zone starts just below the top panel and its height is about 1/7
> of the screen.
>   Flickering starts immediately entering the zone, even half of the
> pointer may be flickering.
>   To the centre of the zone, flickering is more prevalent, up to
> completely disappearing.
>   The flickering has a periodic pattern, which seems to be affected by
> the windows displaying in the second (external) monitor !!
> 
>   B - external monitor.
>   Some applications show really slow there. Worse case is HipChat
> (Atlassian chat program), which shows fine as long as even a tiny
> fraction exists on the primary display.
>   At the moment the whole window passes to the secondary, then even
> the scroll bar has a delay of a second a move.
> 
>   To check, I have played with the ~/.config/monitors.xml without 
> success.
>   It seems that each configuration is saved there, even duplicates,
> after adding the same external monitor and re-configuring it (absolute
> duplicate in monitors.xml)
> 
>   C. Side-effects and related phenomena.
>   Some times the "Screen display" control freaks, when enabling the
> external monitor. It may freeze or insist to put them in mirroring.
> Most of the times it just forgets a setup (although in monitors.xml)
> after adding a different external monitor.
>   For each workspace, there is a different background, done with
> Unit5y Tweak Tool.
> 
>   All updates have been done, without effect.
> 
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.10
>   Package: xorg 1:7.7+13ubuntu4
>   ProcVersionSignature: Ubuntu 4.8.0-27.29-generic 4.8.1
>   Uname: Linux 4.8.0-27-generic x86_64
>   .tmp.unity_support_test.0:
> 
>   ApportVersion: 2.20.3-0ubuntu8
>   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: Tue Nov 29 23:18:52 2016
>   DistUpgraded: Fresh install
>   DistroCodename: yakkety
>   DistroVariant: ubuntu
>   DkmsStatus: virtualbox, 5.1.6, 4.8.0-27-generic, x86_64: installed
>   ExtraDebuggingInterest: Yes
>   GraphicsCard:
>    Intel Corporation HD Graphics 530 [8086:191b] (rev 06) (prog-if 00
> [VGA controller])
>      Subsystem: Lenovo HD Graphics 530 [17aa:222e]
>    NVIDIA Corporation GM107GLM [Quadro M1000M] [10de:13b1] (rev a2)
> (prog-if 00 [VGA controller])
>      Subsystem: Lenovo GM107GLM [Quadro M1000M] [17aa:222e]
>   InstallationDate: Installed on 2016-11-09 (20 days ago)
>   InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 
> (20161012.2)
>   MachineType: LENOVO 20EN0019US
>   ProcKernelCmdLine:
> BOOT_IMAGE=/boot/vmlinuz-4.8.0-27-generic.efi.signed
> root=UUID=c3151b80-1188-4c23-816c-57ebe18688a8 ro quiet splash
> vt.handoff=7
>   SourcePackage: xorg
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 08/03/2016
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: N1EET57W (1.30 )
>   dmi.board.asset.tag: Not Available
>   dmi.board.name: 20EN0019US
>   dmi.board.vendor: LENOVO
>   dmi.board.version: SDK0J40705 WIN
>   dmi.chassis.asset.tag: No Asset Information
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.chassis.version: None
>   dmi.modalias:
> dmi:bvnLENOVO:bvrN1EET57W(1.30):bd08/03/2016:svnLENOVO:pn20EN0019US:pvrThinkPadP50:rvnLENOVO:rn20EN0019US:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
>   dmi.product.name: 20EN0019US
>   dmi.product.version: ThinkPad P50
>   dmi.sys.vendor: LENOVO
>   version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
>   version.ia32-libs: ia32-libs N/A
>   version.libdrm2: libdrm2 2.4.70-1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.3-1ubuntu2
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental 
> N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.3-1ubuntu2
>   version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6.1
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 
> 1:2.10.2-1ubuntu1
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.1-1
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917+git20160706-1ubuntu1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
> 1:1.0.12-2
>   xserver.bootTime: Fri Nov 25 08:07:33 2016
>   xserver.configfile: default
>   xserver.logfile: /var/log/Xorg.0.log
>   xserver.version: 2:1.18.4-1ubuntu6.1
>   xserver.video_driver: modeset
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1645891/+subscriptions

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1645891

Title:
  After adding a second monitor, mouse pointer flickers and/or
  disappears in a zone near the top of first (notebook) monitor, while
  some apps show slow in ext display.

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  It seems to be duplicate of both :
  https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1641467
  and 
  https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1629300  .
  Possibly related to 
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1278223

  A - flickering in first display.
  The zone starts just below the top panel and its height is about 1/7 of the 
screen.
  Flickering starts immediately entering the zone, even half of the pointer may 
be flickering.
  To the centre of the zone, flickering is more prevalent, up to completely 
disappearing. 
  The flickering has a periodic pattern, which seems to be affected by the 
windows displaying in the second (external) monitor !! 

  B - external monitor.
  Some applications show really slow there. Worse case is HipChat (Atlassian 
chat program), which shows fine as long as even a tiny fraction exists on the 
primary display. 
  At the moment the whole window passes to the secondary, then even the scroll 
bar has a delay of a second a move. 

  To check, I have played with the ~/.config/monitors.xml without success.
  It seems that each configuration is saved there, even duplicates, after 
adding the same external monitor and re-configuring it (absolute duplicate in 
monitors.xml)

  C. Side-effects and related phenomena. 
  Some times the "Screen display" control freaks, when enabling the external 
monitor. It may freeze or insist to put them in mirroring. Most of the times it 
just forgets a setup (although in monitors.xml) after adding a different 
external monitor.
  For each workspace, there is a different background, done with Unit5y Tweak 
Tool. 

  All updates have been done, without effect.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: xorg 1:7.7+13ubuntu4
  ProcVersionSignature: Ubuntu 4.8.0-27.29-generic 4.8.1
  Uname: Linux 4.8.0-27-generic x86_64
  .tmp.unity_support_test.0:
   
  ApportVersion: 2.20.3-0ubuntu8
  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: Tue Nov 29 23:18:52 2016
  DistUpgraded: Fresh install
  DistroCodename: yakkety
  DistroVariant: ubuntu
  DkmsStatus: virtualbox, 5.1.6, 4.8.0-27-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation HD Graphics 530 [8086:191b] (rev 06) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo HD Graphics 530 [17aa:222e]
   NVIDIA Corporation GM107GLM [Quadro M1000M] [10de:13b1] (rev a2) (prog-if 00 
[VGA controller])
     Subsystem: Lenovo GM107GLM [Quadro M1000M] [17aa:222e]
  InstallationDate: Installed on 2016-11-09 (20 days ago)
  InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
  MachineType: LENOVO 20EN0019US
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-27-generic.efi.signed 
root=UUID=c3151b80-1188-4c23-816c-57ebe18688a8 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/03/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1EET57W (1.30 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20EN0019US
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40705 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1EET57W(1.30):bd08/03/2016:svnLENOVO:pn20EN0019US:pvrThinkPadP50:rvnLENOVO:rn20EN0019US:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20EN0019US
  dmi.product.version: ThinkPad P50
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.70-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.3-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.3-1ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20160706-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2
  xserver.bootTime: Fri Nov 25 08:07:33 2016
  xserver.configfile: default
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.18.4-1ubuntu6.1
  xserver.video_driver: modeset

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1645891/+subscriptions

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