desktop-packages team mailing list archive

[David <1533278@xxxxxxxxxxxxxxxxxx>]

Hi Christopher,

For the daily build  xenial-desktop-amd64.iso       12-Jan-2016,  touch
locations are correct initially but incorrect after changing the
resolution.

Upon initial login, the displays and touches are scaled correctly.  The
initial resolution of the laptop and external display monitors are both
3840x2160.  Laptop display is to the left of the monitor.

In unity-control-center, I set the laptop resolution to 1920x1080.
Touches did not register in the correct position.

In unity-control-center, I set the laptop resolution back to 340x2160.
Touches remained in the wrong position, where touching the right side of
the laptop display registered as a touch on the touchless monitor.

Thanks,
David

-- 
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/1533278

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

Status in xorg package in Ubuntu:
  Incomplete

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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