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[Launchpad Bug Tracker <1184693@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1184693

Title:
  [SEVERE] System restarts intead of shutdown, random start-up failure

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  This is a severe bug happening on a new E130 Thinkpad Lenovo/IBM with
  Intel hardware, on Ubuntu 13.04 64 bit fresh new installation.

  Description is easy: when I click shutdown (both from mouse, keyboard
  or even from terminal command) system randomly restarts. I've
  exstimated this happens with a 60% of frequency (sometime it takes me
  quite a while to shutdown it).

  A correlated (I think) bug is when I switch on the laptop it randomly
  freezes. Basically I swith on and instead of presenting the classic
  ubuntu logo on violet background I have a blinking cursor that forces
  me to log and sudo reboot it (sometime it takes me quite a while to
  swith on it).

  I've no clue and this should be a "Certified" hardware -.-

  Everything else works like a charm.

  Some additional info:

  CPU: Intel® Core™ i3-3217U CPU @ 1.80GHz × 4 
  GPU: HD4000
  HD: the original has been replaced by a Samsung SSD 840pro with 128GB ram

  OTHER: Fan noise is quite normal so no thermal reasons, battery works perfectly and last pretty long, SSD is a real booster of the system.
  EXTRA INSTALLED SOFTWARE upon standard one: Dropbox, Gimp, Tiled editor, Pidgin, Geany, Openshot video editor.

  This bug has been also reported by other user for on askubuntu, laptop-mode-tools does not fix it:
  http://askubuntu.com/questions/294739/laptop-reboot-when-i-want-to-shut-down

  Cheers

  Francesco

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