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

[Steve Beattie]

Thanks for testing and sorry you're experiencing this. Can you confirm
that the output of 'iucode-tool -Sv' contains:

  iucode-tool: system has processor(s) with signature 0x000906ed

output of lscpu would be useful too, along with ensuring you have the
latest BIOS installed from Dell.

Raising the issue at https://github.com/intel/Intel-Linux-Processor-
Microcode-Data-Files/issues/ will get the problem you are having more of
a chance to get on Intel's radar.

THanks again.

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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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