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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

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

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1297464

Title:
  Kernel 3.13 still broken on Radeon HD 6000-based desktops.

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I've noticed after installing Ubuntu 14.04 on a Richland APU desktop,
  that this critical DPM issue has still not been fixed. DPM needs to be
  disabled by default like in kernel 3.14 for these systems so that the
  live CD or desktop session does not instantly reboot the machine. I
  was able to bypass it by editing the grub.cfg on the bootable flash
  drive and adding radeon.dpm=0 to the boot options, along with cding to
  /target/etc/default and editing grub with the same change before
  rebooting after installation to bypass it.

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