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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Tags removed: kernel-key
** Tags added: kernel-da-key

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https://bugs.launchpad.net/bugs/1250321

Title:
  Ubuntu 13.10 + 14.04 Catastrophic Random Kernel Crashes on Boot with
  ASUS UEFI Motherboards

Status in systemd:
  New
Status in “efibootmgr” package in Ubuntu:
  Confirmed
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  System Specs:

  ASUS Sabertooth 990FX (with the latest BIOS)
  AMD FX-8120
  AMD Radeon HD 7950
  240GB Seagate SSD (20GiB / partition)
  2TB WD HDD (/home)

  The same issues are present both with GPT UEFI and simple MBR non-UEFI
  installs.

  I have installed Ubuntu 14.04 three times and each met the same fate.
  The first time you boot into the system after installing it, it works fine (maybe). However, after you reboot the system it will fail on such a grand catastrophic scale that you can't even boot into recovery mode since that will begin spamming error messages quickly as well.

  It does not output anything to logs during these errors so the only
  thing you have to go by are screenshots of the errors. In general the
  errors are all indicating issues with systemd-udevd.

  I also had similar problems in Ubuntu 13.10, plus some extra problems.
  Ubuntu 13.10 fails at installing grub and the grub-efi-amd64 and
  outputs tons of errors regarding efibootmgr.

  It isn't related to the kernel since Ubuntu 13.04 with kernel 3.12
  works perfectly. It also doesn't seem to be related to firmware since
  I use linux-firmware-1.117 on Ubuntu 13.04 as well. It may be a bug
  related to efibootmgr and systemd.

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