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[Bug 1526079] [NEW] Mouse cursor sometimes becomes invisible

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Public bug reported:

(This report is incomplete; I need some guidance regarding steps I can
take the next time this happens so I can gather better information to
report.)

What happens:

1. I'll be working
2. The mouse cursor will become invisible for no apparent reason, typically on just one of my two monitors
3. I'll either continue working (in which case the cursor will usually come back for no apparent reason, eventually) or I'll restart X to get my cursor back

This happens to me at least once a week while I'm working, and has gone
on at least for 2 or 3 months if not longer. I think I first began
observing this while on Ubuntu 15.04, and it has persisted since
upgrading to 15.10 in October.

There are things I try in order to force the cursor to reappear, to no
avail, including:

- Toggling org.gnome.settings-daemon.plugins.cursor active via gsettings
- Switching to and from a TTY
- Hovering over UI elements that force the cursor icon to change

I think changing the resolution via xrandr causes it to reappear, but I
need to wait until the next time it happens to confirm this.

I use a ThinkPad with an i7 with only integrated Intel graphics,
connected via dock to an external display. My display configuration is a
little unusual and uses hidpi, defined by the following commands:

xrandr --output eDP1 --mode 2880x1620 --panning 2880x1620 --scale 1x1 --primary --dpi 250
xrandr --output DP2-1 --mode 2560x1440 --panning 3840x2160+2880+0 --scale 1.5x1.5 --dpi 144

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.19.1-0ubuntu5
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 Dec 14 13:49:18 2015
DistUpgraded: 2015-11-03 14:44:11,845 DEBUG enabling apt cron job
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
 vboxhost, 5.0.4, 3.19.0-31-generic, x86_64: installed
 vboxhost, 5.0.4, 4.2.0-16-generic, x86_64: installed
 vboxhost, 5.0.4, 4.2.0-18-generic, x86_64: installed
 vboxhost, 5.0.4, 4.2.0-19-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:2210]
InstallationDate: Installed on 2014-06-24 (538 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
MachineType: LENOVO 20BECTO1WW
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic.efi.signed root=UUID=022a17a0-1dc9-4b5c-ad86-912739c13a73 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to wily on 2015-11-03 (40 days ago)
dmi.bios.date: 03/19/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GMET62WW (2.10 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BECTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 Std
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGMET62WW(2.10):bd03/19/2014:svnLENOVO:pn20BECTO1WW:pvrThinkPadT540p:rvnLENOVO:rn20BECTO1WW:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20BECTO1WW
dmi.product.version: ThinkPad T540p
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9.1
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+git20150808-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Fri Dec 11 17:18:06 2015
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                               10147 
 vendor                                     ACI
xserver.version: 2:1.17.2-1ubuntu9.1

** Affects: xorg (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 xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1526079

Title:
  Mouse cursor sometimes becomes invisible

Status in xorg package in Ubuntu:
  New

Bug description:
  (This report is incomplete; I need some guidance regarding steps I can
  take the next time this happens so I can gather better information to
  report.)

  What happens:

  1. I'll be working
  2. The mouse cursor will become invisible for no apparent reason, typically on just one of my two monitors
  3. I'll either continue working (in which case the cursor will usually come back for no apparent reason, eventually) or I'll restart X to get my cursor back

  This happens to me at least once a week while I'm working, and has
  gone on at least for 2 or 3 months if not longer. I think I first
  began observing this while on Ubuntu 15.04, and it has persisted since
  upgrading to 15.10 in October.

  There are things I try in order to force the cursor to reappear, to no
  avail, including:

  - Toggling org.gnome.settings-daemon.plugins.cursor active via gsettings
  - Switching to and from a TTY
  - Hovering over UI elements that force the cursor icon to change

  I think changing the resolution via xrandr causes it to reappear, but
  I need to wait until the next time it happens to confirm this.

  I use a ThinkPad with an i7 with only integrated Intel graphics,
  connected via dock to an external display. My display configuration is
  a little unusual and uses hidpi, defined by the following commands:

  xrandr --output eDP1 --mode 2880x1620 --panning 2880x1620 --scale 1x1 --primary --dpi 250
  xrandr --output DP2-1 --mode 2560x1440 --panning 3840x2160+2880+0 --scale 1.5x1.5 --dpi 144

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.19.1-0ubuntu5
  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 Dec 14 13:49:18 2015
  DistUpgraded: 2015-11-03 14:44:11,845 DEBUG enabling apt cron job
  DistroCodename: wily
  DistroVariant: ubuntu
  DkmsStatus:
   vboxhost, 5.0.4, 3.19.0-31-generic, x86_64: installed
   vboxhost, 5.0.4, 4.2.0-16-generic, x86_64: installed
   vboxhost, 5.0.4, 4.2.0-18-generic, x86_64: installed
   vboxhost, 5.0.4, 4.2.0-19-generic, x86_64: installed
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:2210]
  InstallationDate: Installed on 2014-06-24 (538 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  MachineType: LENOVO 20BECTO1WW
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic.efi.signed root=UUID=022a17a0-1dc9-4b5c-ad86-912739c13a73 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to wily on 2015-11-03 (40 days ago)
  dmi.bios.date: 03/19/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GMET62WW (2.10 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20BECTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 Std
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGMET62WW(2.10):bd03/19/2014:svnLENOVO:pn20BECTO1WW:pvrThinkPadT540p:rvnLENOVO:rn20BECTO1WW:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20BECTO1WW
  dmi.product.version: ThinkPad T540p
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.64-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9.1
  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+git20150808-0ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
  xserver.bootTime: Fri Dec 11 17:18:06 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               10147 
   vendor                                     ACI
  xserver.version: 2:1.17.2-1ubuntu9.1

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