[Bug 1834487] [NEW] Frequent crash at startup after upgrading intel-microcode package

[Francesco]

Public bug reported:

A fresh install of Ubuntu 18.04.2 LTS (Release: 18.04) works fine on my
Asus Zenbook UX333FN. After automatic updates, the system becomes
unstable and frequently (but not always) crashes at startup on a velvet
screen. I have updated a few packages at a time, and I think I have
identified the cause in package intel-microcode.

On a fresh install, updating this single package (intel-microcodes
version 3.20180807a.0ubuntu0.18.4.1 to version
3.20190514.0ubuntu0.18.04.3) creates the problem. Updating all other
packages and NOT intel-microcodes does not create the problem.

There is an old bug on launchpad (#1781806) about updating intel-
microcode, but symptoms as well as package number and distro are
different - do not know if this is relevant.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: intel-microcode 3.20180807a.0ubuntu0.18.04.1
Uname: Linux 5.0.19-050019-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Jun 27 15:52:25 2019
InstallationDate: Installed on 2019-06-13 (14 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: intel-microcode
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: intel-microcode (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1834487

Title:
  Frequent crash at startup after upgrading intel-microcode package

Status in intel-microcode package in Ubuntu:
  New

Bug description:
  A fresh install of Ubuntu 18.04.2 LTS (Release: 18.04) works fine on
  my Asus Zenbook UX333FN. After automatic updates, the system becomes
  unstable and frequently (but not always) crashes at startup on a
  velvet screen. I have updated a few packages at a time, and I think I
  have identified the cause in package intel-microcode.

  On a fresh install, updating this single package (intel-microcodes
  version 3.20180807a.0ubuntu0.18.4.1 to version
  3.20190514.0ubuntu0.18.04.3) creates the problem. Updating all other
  packages and NOT intel-microcodes does not create the problem.

  There is an old bug on launchpad (#1781806) about updating intel-
  microcode, but symptoms as well as package number and distro are
  different - do not know if this is relevant.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: intel-microcode 3.20180807a.0ubuntu0.18.04.1
  Uname: Linux 5.0.19-050019-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Jun 27 15:52:25 2019
  InstallationDate: Installed on 2019-06-13 (14 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  SourcePackage: intel-microcode
  UpgradeStatus: No upgrade log present (probably fresh install)

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