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[Bug 1409919] Re: Synaptics Touchpad not detected as touchpad in "Mouse and Touchpad" settings after updating kernel to 3.13.0-44-generic on Acer Aspire E5-471, two-finger scrolling not working

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>
Date: Tue, 13 Jan 2015 18:55:12 -0000
Reply-to: Bug 1409919 <1409919@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.19 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc4-vivid/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1409919

Title:
  Synaptics Touchpad not detected as touchpad in "Mouse and Touchpad"
  settings after updating kernel to 3.13.0-44-generic on Acer Aspire
  E5-471, two-finger scrolling not working

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Description:	Ubuntu 14.04.1 LTS
  Release:	14.04
  Kernel: 3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  After udating my system and rebooting, I noticed that the two-finger
  scrolling had stopped working. When I checked the "Mouse and Touchpad"
  settings, only a mouse was listed.

  xinput returns:
  ⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
  ⎜   ↳ PS/2 Synaptics TouchPad                 	id=13	[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)]
      ↳ HD WebCam                               	id=11	[slave  keyboard (3)]
      ↳ AT Translated Set 2 keyboard            	id=12	[slave  keyboard (3)]
      ↳ Acer WMI hotkeys                        	id=14	[slave  keyboard (3)]

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