[Bug 1853773] Re: Regression: amd64-microcode upgrade causes a bootloop

[t-legiaw]

** Description changed:

- it turned out that the latest amd64-microcode caused a boot loop on our
+ it turned out that the latest amd64-microcode causes a boot loop on our
  new dual socket server (equipped with two AMD EPYC 7252 8-Core
  Processors).
  
  steps to reproduce ...
  
-   (1) install Ubuntu-Server 18.04.3 LTS (20190805)
-   (2) reboot
-   (3) apt update
-   (4) apt upgrade
-   (5) reboot
+   (1) install Ubuntu-Server 18.04.3 LTS (20190805)
+   (2) reboot
+   (3) apt update
+   (4) apt upgrade
+   (5) reboot
+   ... boot loop ...
  
  workaround ...
  
-   before (4) prevent a amd64-microcode package upgrade by setting the
+   before (4) prevent a amd64-microcode package upgrade by setting the
  package on hold
  
-      apt-mark hold amd64-microcode
- 
+      apt-mark hold amd64-microcode
  
  further information regarding amd64-microcode ...
  
-    - this version causes a bootloop: 3.20191021.1ubuntu0.18.04.2  
-    - this version is working fine:   3.20180524.1~ubuntu0.18.04.2
+    - this version causes a boot loop: 3.20191021.1ubuntu0.18.04.2
+    - this version is working fine:   3.20180524.1~ubuntu0.18.04.2

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https://bugs.launchpad.net/bugs/1853773

Title:
  Regression: amd64-microcode upgrade causes a bootloop

Status in amd64-microcode package in Ubuntu:
  New

Bug description:
  it turned out that the latest amd64-microcode causes a boot loop on
  our new dual socket server (equipped with two AMD EPYC 7252 8-Core
  Processors).

  steps to reproduce ...

    (1) install Ubuntu-Server 18.04.3 LTS (20190805)
    (2) reboot
    (3) apt update
    (4) apt upgrade
    (5) reboot
    ... boot loop ...

  workaround ...

    before (4) prevent a amd64-microcode package upgrade by setting the
  package on hold

       apt-mark hold amd64-microcode

  further information regarding amd64-microcode ...

     - this version causes a boot loop: 3.20191021.1ubuntu0.18.04.2
     - this version is working fine:   3.20180524.1~ubuntu0.18.04.2

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