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

[Tyler Hicks]

Thanks for the report, Erich!

Does the lockup happen as soon as you reach the login screen or does it
happen once you put in your password and hit enter?

Do you happen to use NVIDIA graphics drivers on the system that's
locking up?

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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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