[Bug 1908840] Re: Fail to boot due to intel-microcode update

[Henrique de Moraes Holschuh]

For model 78 stepping 3 processors, look here:

https://github.com/intel/Intel-Linux-Processor-Microcode-Data-
Files/issues/31

To put it bluntly: update your system firmware.  If no such update is
available, pressure the system vendor into releasing one.  For now,
that's the only available fix.  The alternative is to not attempt to
update the processor microcode at all -- and remain vulnerable to the
security and reliability issues the microcode update would have fixed.

** Bug watch added: github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues #31
   https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues/31

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https://bugs.launchpad.net/bugs/1908840

Title:
  Fail to boot due to intel-microcode  update

Status in intel-microcode package in Ubuntu:
  Confirmed

Bug description:
  Issue described in bug: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1903883
  is still not fixed.
  As a temporary fix I can add 'dis_ucode_ldr' parameter to kernel.
  Hardware is Acer Aspire v3-372-57M8, i5-6267U, 8GB ram in two modules

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: intel-microcode 3.20201110.0ubuntu0.20.04.2
  ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73
  Uname: Linux 5.4.0-58-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.14
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: XFCE
  Date: Sun Dec 20 20:29:25 2020
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2020-12-11 (8 days ago)
  InstallationMedia: Xubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  SourcePackage: intel-microcode
  UpgradeStatus: No upgrade log present (probably fresh install)

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