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[Launchpad Bug Tracker <1275590@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/1275590

Title:
  Computer always powers itself up after shut down

Status in linux package in Ubuntu:
  Expired

Bug description:
  Board: ASrock H87M pro4, with the latest BIOS P2.0; Ubuntu is 12.04
  64b w/ Kernel 3.5.0-45

  1) I do shut the computer down from the menu OR with the command line
  "poweroff" OR "shutdown -P now"

  2) It totally shuts down, all fans, all leds, the screen.

  3) It stays off for a few secs, fooling me.

  4) Then it restarts, powering itself back on.

  The only way to impede the restart is to switch off the power supply
  on the back of the case at 3). Doing so, it still tries to do 4). You
  hear the fans starting, but the little charge remaining in the the
  power unit gets discharged in a moment and it stops there. It's off.

  This problem started around mid Jan (after months of regular
  functioning), when I updated the Linux Kernel to 3.5.0-44.

  It's certainly caused by the Kernel as it does NOT occur with v 3.5.0-41 and below. It occurs with Kernel 3.5.0-44 and above.
  I Cannot say if it occurs with 42, 43.

  It was verified this problem does NOT occur with Windows OS.

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