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

** Tags added: xenial

** Changed in: xorg (Ubuntu)
       Status: Incomplete => Triaged

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https://bugs.launchpad.net/bugs/1537308

Title:
  System sends Control, Alt and Shift events without input.

Status in xorg package in Ubuntu:
  Triaged

Bug description:
  I noticed strange behavior from my Ubuntu system.  While left idle,
  the screensaver would shut off with no interaction with the machine.
  While using the machine, webpages would zoom in or out when trying to
  scroll, and command windows would open while typing.

  Using xev, I found that these events corresponded with ALt_L,
  Control_L and Shift_R events, even though those buttons were not being
  pressed.  I'm attaching a xev log, searching for _L will show the
  events.  ((Shift_R events are, for some reason, much rarer and do not
  occur in the particular log I'm adding.)  In many (but not all)
  incidents, the KeyRelease event occurs without a preceding KeyPress
  event.  This problem starts a variable period of time after booting
  the machine; generally within 4 hours.  Once it starts, it persists
  until a reboot.

  Disabling the trackpad with xinput will stop the problem for several
  hours, but eventually something re-enables the trackpad and the
  problem reappears.

  Running memtest on the box generates an error when one specific core
  runs one specific test, but I cannot rule out that being related to
  memtest's problems with UEFI systems.  (See
  passmark.com/forum/showthread.php?5638 for info on my memtest results
  and the UEFI issues.) I returned the machine to HP for service.  They
  replaced the keyboard, trackpad and memory.  This did not resolve the
  problem.

  I've recreated the problem in UbuntuMate, Ubuntu, and Debian, on both
  3.x and 4.x kernels.  I cannot reliably reproduce the issue on the
  Windows partition on the same box; I think I might have seen it once
  or twice while working on the machine, but can't rule out accidental
  keypresses by me at those times.  Leaving a keylogger running for over
  24 hours on the Windows partition did not show any unexpected keyboard
  events.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-43.49-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-43-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: MATE
  Date: Fri Jan 22 21:36:14 2016
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  DkmsStatus:
   fglrx-core, 15.200, 3.19.0-32-generic, x86_64: installed
   fglrx-core, 15.200, 3.19.0-33-generic, x86_64: installed
   fglrx-core, 15.200, 3.19.0-42-generic, x86_64: installed
   fglrx-core, 15.200, 3.19.0-43-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:9874] (rev c5) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:80af]
  InstallationDate: Installed on 2015-10-30 (84 days ago)
  InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  LightdmGreeterLog:
   ** (lightdm-gtk-greeter:938): WARNING **: [PIDs] Failed to execute command: upstart
   
   ** (lightdm-gtk-greeter:938): WARNING **: Failed to load user image: Failed to open file '/home/jbhelfrich/.face': No such file or directory
  LightdmGreeterLogOld:
   ** (lightdm-gtk-greeter:1191): WARNING **: [PIDs] Failed to execute command: upstart
   
   ** (lightdm-gtk-greeter:1191): WARNING **: Failed to load user image: Failed to open file '/home/jbhelfrich/.face': No such file or directory
  MachineType: HP HP Pavilion Notebook
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-43-generic.efi.signed root=UUID=613f6223-b665-4289-9dfa-7b003124dfdf ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/06/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F.13
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 80AF
  dmi.board.vendor: HP
  dmi.board.version: 81.28
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF.13:bd08/06/2015:svnHP:pnHPPavilionNotebook:pvr:rvnHP:rn80AF:rvr81.28:cvnHP:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion Notebook
  dmi.sys.vendor: HP
  version.compiz: compiz 1:0.9.12.1+15.04.20150922-0ubuntu1
  version.fglrx-installer: fglrx-installer N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Thu Jan 21 21:59:36 2016
  xserver.configfile: default
  xserver.errors:
   open /dev/dri/card0: No such file or directory
   fglrx(0): XMM failed to initialize
   AIGLX error: failed to open /usr/X11R6/lib64/modules/dri/fglrx_dri.so, error[/usr/X11R6/lib64/modules/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
   AIGLX error: failed to open /usr/lib64/dri/fglrx_dri.so, error[/usr/lib64/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
   AIGLX error: failed to open /usr/X11R6/lib/modules/dri/fglrx_dri.so, error[/usr/X11R6/lib/modules/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.17.1-0ubuntu3.1
  xserver.video_driver: fglrx

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