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[Bug 1412346] Re: [Dell Latitude 3340] With one finger on the touchpad, the button click event won't be sent until you release the button

 

ubuntu@201312-14381:~$ xinput list
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ ELAN Touchscreen                        	id=11	[slave  pointer  (2)]
⎜   ↳ AlpsPS/2 ALPS GlidePoint                	id=13	[slave  pointer  (2)]
⎜   ↳ ALPS PS/2 Device                        	id=14	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ Power Button                            	id=6	[slave  keyboard (3)]
    ↳ Video Bus                               	id=7	[slave  keyboard (3)]
    ↳ Power Button                            	id=8	[slave  keyboard (3)]
    ↳ Sleep Button                            	id=9	[slave  keyboard (3)]
    ↳ Integrated_Webcam_HD                    	id=10	[slave  keyboard (3)]
    ↳ Dell WMI hotkeys                        	id=15	[slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard            	id=12	[slave  keyboard (3)]


** Attachment added: "xinput-list-props.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412346/+attachment/4301644/+files/xinput-list-props.log

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https://bugs.launchpad.net/bugs/1412346

Title:
  [Dell Latitude 3340] With one finger on the touchpad, the button click
  event won't be sent until you release the button

Status in HWE Next Project:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  CID: 201312-14381 Dell Latitude 3340

  This system has a touchpad and two physical buttons.

  Steps:
  1. Install 14.04.1 + update (3.13.0-43), boot to desktop and open the nautilus.
  2. Try to select multiple files with one finger on the touchpad, hold the left button and hover the cursor across them.
  3. Try to select multiple files with holding the left button first, then put one finger on the touchpad, hover the cursor across them.

  Expected result:
  * Should be able to select multiple files with step 2 and 3

  Actual result:
  * Multiple file selection only works in step 3

  
  Debugging infromation:
  xev output for actions in step 2:
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  ButtonPress event, serial 58, synthetic NO, window 0x3800001,
  ButtonRelease event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,

  xev output for actions in step 3:
  ButtonPress event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  MotionNotify event, serial 58, synthetic NO, window 0x3800001,
  ButtonRelease event, serial 58, synthetic NO, window 0x3800001,

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-43-generic 3.13.0-43.72
  ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
  Uname: Linux 3.13.0-43-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     1509 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     1509 F.... pulseaudio
  CRDA:
   country TW:
   	(2402 - 2472 @ 40), (3, 27)
   	(5270 - 5330 @ 40), (3, 17), DFS
   	(5735 - 5815 @ 40), (3, 30)
  CurrentDesktop: Unity
  Date: Mon Jan 19 02:58:37 2015
  HibernationDevice: RESUME=UUID=82e19285-fa50-41f3-80e1-7c406fcadecd
  InstallationDate: Installed on 2015-01-09 (10 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: Dell Inc. Latitude 3340
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-43-generic root=UUID=b43f1522-f0a6-4cb2-8358-506ba2468d5a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-43-generic N/A
   linux-backports-modules-3.13.0-43-generic  N/A
   linux-firmware                             1.127.11
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/02/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A02
  dmi.board.name: 4OA010
  dmi.board.vendor: Dell Inc.
  dmi.board.version: D01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA02:bd05/02/2014:svnDellInc.:pnLatitude3340:pvr01:rvnDellInc.:rn4OA010:rvrD01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude 3340
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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References