[Bug 1882943] [NEW] Boot freezes silently after 'intel-microcode' upgrade

[Mirek Ingr]

Public bug reported:

1) # apt dist-upgrade froze suddenly,
2) and Ubuntu's boot sequence had frozen completely, silently (no warnings nor errors even in debug mode!!) and permanently,
3) after many trials  to recover the system,
4) I added 'dis_ucode_ldr' boot option to Grub2/Ubuntu configuration,
5) and hurray, the system booted finally :)

There must be something wrong with:
a) CPU firmware
b) intel-microcode package

Dell Latitude 5591, Intel Core i7-8850H

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

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https://bugs.launchpad.net/bugs/1882943

Title:
  Boot freezes silently after 'intel-microcode' upgrade

Status in intel-microcode package in Ubuntu:
  New

Bug description:
  1) # apt dist-upgrade froze suddenly,
  2) and Ubuntu's boot sequence had frozen completely, silently (no warnings nor errors even in debug mode!!) and permanently,
  3) after many trials  to recover the system,
  4) I added 'dis_ucode_ldr' boot option to Grub2/Ubuntu configuration,
  5) and hurray, the system booted finally :)

  There must be something wrong with:
  a) CPU firmware
  b) intel-microcode package

  Dell Latitude 5591, Intel Core i7-8850H

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