[Bug 1163374] [NEW] Keyboard does not function normally after touchpad toggle hotkey press

[Gavin Guo]

Public bug reported:

Summary:
After installing the alps driver, I found that touchpad hotkey worked as expected. However, after disabling and re-enabling touchpad using toggle hotkey, I found keyboard acted abnormally. 

Steps to reproduce:
1) Install ALPS touchpad driver
2) Use touchpad toggle hotkey to disable touchpad then enable it

Expected result:
After touchpad toggle, keyboard should still function normally.

Actual result:
Keyboard does not function normally, while I tried to type on and opened gnome terminal window, nothing can be typed.

** Affects: udev (Ubuntu)
     Importance: High
     Assignee: Gavin Guo (mimi0213kimo)
         Status: Confirmed

** Changed in: udev (Ubuntu)
       Status: New => Confirmed

** Changed in: udev (Ubuntu)
   Importance: Undecided => High

** Changed in: udev (Ubuntu)
     Assignee: (unassigned) => Gavin Guo (mimi0213kimo)

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https://bugs.launchpad.net/bugs/1163374

Title:
  Keyboard does not function normally after touchpad toggle hotkey press

Status in “udev” package in Ubuntu:
  Confirmed

Bug description:
  Summary:
  After installing the alps driver, I found that touchpad hotkey worked as expected. However, after disabling and re-enabling touchpad using toggle hotkey, I found keyboard acted abnormally. 

  Steps to reproduce:
  1) Install ALPS touchpad driver
  2) Use touchpad toggle hotkey to disable touchpad then enable it

  Expected result:
  After touchpad toggle, keyboard should still function normally.

  Actual result:
  Keyboard does not function normally, while I tried to type on and opened gnome terminal window, nothing can be typed.

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