[Ubuntu Wiki] Update of "DebuggingTouchpadDetection" by anthonywong

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The "DebuggingTouchpadDetection" page has been changed by anthonywong:
http://wiki.ubuntu.com/DebuggingTouchpadDetection?action=diff&rev1=45&rev2=46

Comment:
Add libinput-tools

  
  = How to file the bug report =
  
- Before filing a bug please check the list of known bugs at the end of this document. If your are unsure to which package the bug should be filed, or your problem is not listed in any of the categories, then please file your touchpad related bugs against '''xserver-xorg-input-synaptics'''. Please ensure you have xdiagnose installed, and you click Yes in order to include the necessary debugging information. If the bug turns out to be a bug related to the kernel ('''linux''') or any other package, bug triagers will assign your bug additionally to that package and mark the task related to xserver-xorg-input-synaptics, as invalid.
+ If your are unsure to which package the bug should be filed, or your problem is not listed in any of the categories, then please file your touchpad related bugs against '''xserver-xorg-input-libinput''' or '''xserver-xorg-input-synaptics''' (if it is installed). If the bug turns out to be a bug related to the kernel ('''linux''') or any other package, bug triagers will assign your bug additionally to that package and mark the task related to xserver-xorg-input-input/synaptics, as invalid.
  
  == General information before filing the bug ==
  
@@ -165, +165 @@

  Name="ImPS/2 Generic Wheel Mouse"}}} In this case the bug must be a kernel issue.
   1. Check whether xserver has detected the Touchpad correctly by executing at a terminal: {{{
  xinput --list }}} You will see the same name of Touchpad as above.
-  1. Check whether the synaptics module is correctly loaded in xserver or not via executing at a terminal: {{{
+  1. Check whether the libinput (or synaptics for older Ubuntu) module is correctly loaded in xserver or not via executing at a terminal: {{{
  cat /var/log/Xorg.0.log | grep -i synaptics }}}
   1. For problems such as scrolling area, touch area, button wrong mapping, and multitouch, try investigating with: {{{
  evtest /dev/input/eventX
@@ -173, +173 @@

  xinput --list }}} For example: {{{
  ↳ TouchPad id=6	[slave  pointer  (2)] }}} Then, type: {{{
  xinput --list-props 6 }}}
+  1. When debugging libinput, {{{libinput debug-events}}} would be helpful. The command is in the {{{libinput-tools}}} package.
  
  ----
  CategoryBugSquad CategoryDebugging CategoryCleanup