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[Bug 1533278] [NEW] Touchscreen input clicks in the wrong place with dual-monitor setup

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Public bug reported:

I have a touchscreen ultrabook (Samsung Ativ Book 9 Pro)

With a dual-monitor setup, touchscreen inputs are scaled to the whole
desktop region rather than just the touchscreen display.

For example, with two displays (laptop on the left), touching the right
half of the laptop's touch screen registers as a click on the touchless
monitor.  I expected the click to register where I touched the
touchscreen.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
Uname: Linux 4.2.0-23-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: Tue Jan 12 10:24:53 2016
DistUpgraded: Fresh install
DistroCodename: wily
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Device [8086:191b] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Samsung Electronics Co Ltd Device [144d:c12b]
   Subsystem: Samsung Electronics Co Ltd Device [144d:c12b]
InstallationDate: Installed on 2015-12-22 (20 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 940Z5L
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-23-generic.efi.signed root=UUID=24c27814-5135-4a80-9ce1-b932e2513949 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/20/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P04AFC.084.151020.SH
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP940Z5L-X01US
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SGL8554A1H-C01-G001-S0001+10.0.10240
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP04AFC.084.151020.SH:bd10/20/2015:svnSAMSUNGELECTRONICSCO.,LTD.:pn940Z5L:pvrP04AFC:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP940Z5L-X01US:rvrSGL8554A1H-C01-G001-S0001+10.0.10240:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 940Z5L
dmi.product.version: P04AFC
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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: Tue Jan 12 14:42:39 2016
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                               16714 
 vendor                                     SDC
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 Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1533278

Title:
  Touchscreen input clicks in the wrong place with dual-monitor setup

Status in xorg package in Ubuntu:
  New

Bug description:
  I have a touchscreen ultrabook (Samsung Ativ Book 9 Pro)

  With a dual-monitor setup, touchscreen inputs are scaled to the whole
  desktop region rather than just the touchscreen display.

  For example, with two displays (laptop on the left), touching the
  right half of the laptop's touch screen registers as a click on the
  touchless monitor.  I expected the click to register where I touched
  the touchscreen.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-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: Tue Jan 12 10:24:53 2016
  DistUpgraded: Fresh install
  DistroCodename: wily
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Device [8086:191b] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Samsung Electronics Co Ltd Device [144d:c12b]
     Subsystem: Samsung Electronics Co Ltd Device [144d:c12b]
  InstallationDate: Installed on 2015-12-22 (20 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 940Z5L
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-23-generic.efi.signed root=UUID=24c27814-5135-4a80-9ce1-b932e2513949 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/20/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P04AFC.084.151020.SH
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: NP940Z5L-X01US
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: SGL8554A1H-C01-G001-S0001+10.0.10240
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP04AFC.084.151020.SH:bd10/20/2015:svnSAMSUNGELECTRONICSCO.,LTD.:pn940Z5L:pvrP04AFC:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP940Z5L-X01US:rvrSGL8554A1H-C01-G001-S0001+10.0.10240:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: 940Z5L
  dmi.product.version: P04AFC
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
  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: Tue Jan 12 14:42:39 2016
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               16714 
   vendor                                     SDC
  xserver.version: 2:1.17.2-1ubuntu9.1

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