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[Fethi DILMI <fethidilmi@xxxxxxxxx>]

** Summary changed:

- Touchpad freezes XServer when using multifingers
+ Touchpad freezes XServer when using NVidia driver

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https://bugs.launchpad.net/bugs/1393412

Title:
  Touchpad freezes XServer when using NVidia driver

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  On MSI GT60-20C with Ubuntu 14.10, the touchpad freezes the XServer
  when combining LeftClick + Tap, or multifinger taps, or any kind of
  touchpad use.

  As a workaround, I was partly initializing the XServer by performing a
  Ctrl+Alt+F1 then a Ctrl+Alt+F7. The touchpad continues to work after
  this.

  I tried to dig deeper into the problem, so when the XServer freezed
  again, I continued to move the cursor to a known place, I performed
  after my Ctrl+Alt+F1/F7 combination, and found the cursor in a
  different place after freezing. This actually means that when the
  XServer freezes it only stops rendering the place of the cursor.

  I got an idea, and installed Gnome Pointing Devices; I changed the
  settings of Vertical/Horizontal scrolling and the problem seemed to
  occur less up till now.

  EDIT #1: It happened again, I was watching a video, the video
  continued to play but the compositor stopped rendering the screen. I
  am running the proprietary NVidia binary driver on my OS (NVidia
  GK106M GeForce GTX 770M version 331.104 from nvidia-331)

  EDIT #2: This issue has been largely noticed. Here are some links about related topics:
  - https://devtalk.nvidia.com/default/topic/766166/linux/elantech-touchpad-related-nvidia-driver-freeze/
  - https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1220426

  EDIT #3: @Raja I've tested the binary drivers since 331.10 and all
  caused the same bug.

  ---
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  346.16  Fri Nov  7 18:14:40 PST 2014
   GCC version:  gcc version 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroRelease: Ubuntu 14.10
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:10e8]
   NVIDIA Corporation GK106M [GeForce GTX 770M] [10de:11e0] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:10e8]
  InstallationDate: Installed on 2014-11-16 (16 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Micro-Star International Co., Ltd. GT60 2OC/2OD
  NonfreeKernelModules: nvidia
  Package: xorg 1:7.7+7ubuntu2
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic.efi.signed root=UUID=df956cd4-0bdd-4b70-9ac1-27b7e35abba8 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Tags: third-party-packages utopic possible-manual-nvidia-install ubuntu
  Uname: Linux 3.16.0-25-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 12/25/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: E16F4IMS.50P
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: MS-16F4
  dmi.board.vendor: Micro-Star International Co., Ltd.
  dmi.board.version: REV:0.C
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Micro-Star International
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE16F4IMS.50P:bd12/25/2013:svnMicro-StarInternationalCo.,Ltd.:pnGT602OC/2OD:pvrREV0.C:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16F4:rvrREV0.C:cvnMicro-StarInternational:ct10:cvrN/A:
  dmi.product.name: GT60 2OC/2OD
  dmi.product.version: REV:0.C
  dmi.sys.vendor: Micro-Star International Co., Ltd.
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.58+git20141201.f99522e6-0ubuntu0ricotz
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.0~git20141201.ebbd34a4-0ubuntu0ricotz
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.0~git20141201.ebbd34a4-0ubuntu0ricotz
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.1.901-1ubuntu1~utopic1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.99+git20140806.fbf575cb-0ubuntu0sarvatt3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.916+git20141202.9c2c485d-0ubuntu0sarvatt
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Wed Dec  3 21:50:22 2014
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors:
   intel(G1): [drm] failed to set drm interface version: Permission denied [13].
   intel(G1): Failed to claim DRM device.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                 601
   vendor                                     LGD
  xserver.version: 2:1.16.1.901-1ubuntu1~utopic1

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