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[Kamal Mostafa <kamal@xxxxxxxxxxxxx>]

Also affects Xenial generic kernel (4.4.0-117.141).

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1758869

Title:
  Kernel panic with AWS 4.4.0-1053 / 4.4.0-1015 (Trusty)

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Xenial:
  New

Bug description:
  This is a POTENTIAL REGRESSION.

  This issue only occurs on one of the AWS testing instance "c3.large"

  Reproduce rate: 100% (All jenkins deployment job failed with this
  instance)

  Steps:
    1. Deploy this instance with AWS kernel (4.4.0-1052)
    2. Enable -proposed, upgrade it and reboot.

  Result:
    * System can boot with 4.4.0-1052, but it won't be accessible after rebooting for 4.4.0-1053, from "aws ec2 get-console-output" command indicates it hang with kernel panic issue on boot. It looks like the intel-microcode is causing this issue.

  Output from the command: https://pastebin.ubuntu.com/p/3JvWNk5CTs/
  (it's a bit difficult to get full output, the instance will keep
  rebooting itself)

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