[Bug 1759920] Re: linux-image-4.13.0-37-generic locks up at login screen with intel-microcode 3.20180312.0

[Joseph Salisbury]

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

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

** Also affects: intel-microcode (Ubuntu Artful)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Artful)
       Status: New => Confirmed

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

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

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Title:
  linux-image-4.13.0-37-generic locks up at login screen with intel-
  microcode 3.20180312.0

Status in intel-microcode package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in intel-microcode source package in Artful:
  Confirmed
Status in linux source package in Artful:
  Confirmed

Bug description:
  I don't know if this is a problem with the kernel or the microcode,
  but we have a significant number of computers in our organization (on
  both 16.04 and 17.10) that fail if they have both updated.  Booting
  with either linux-image-4.13.0-36-generic or intel-microcode
  3.20180108.0+really20170707ubuntu17.10.1 allows all these computers to
  boot.

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