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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Fethi DILMI, just to advise, if you manually install any version of the
NVIDIA driver, and the root cause is this, it wouldn't be something that
could be addressed by Ubuntu. Instead, your only recourse would be
NVIDIA directly.

Despite this, does this issue occur with either nouveau, or with any of
the applicable NVIDIA driver versions from the Ubuntu repositories as
outlined in https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia ?

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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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