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[Dr Anirban Mitra <mitradranirban@xxxxxxxxxxx>]

bug-exists-upstream-4.1.1

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https://bugs.launchpad.net/bugs/1473602

Title:
  Elantech touchpad not detected after few days in ubuntu 14.04.2 in
  acer aspire one d255e

Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  I am reporting this manually as ubuntu-bug reports all packages as "Not an ubuntu package" . Moreover I have very poor connectivity at home where I use the ubuntu laptop so that i can not even use apt-get  to  install packages. 
  This problem started with 13.10 then with 14.04LTS and now I am using 14.04.2 with kernel 3.16. My touchpad works initially for few days but after that it is not detectable so that i have to use an external usb mouse. As per solution given in askubuntu.com when I boot with i8042.nopnp as a boot option, it is detected and works fine with all multitouch functions. 
  I have tested with mainline kernel 4.1.1-040101 from kernel-ppa and found that the problem persists. 
  Anirban

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