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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1423296

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1423296

Title:
  Only one CPU core gets microcode updated

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  dmesg | grep -i microcode
  [    0.000000] CPU0 microcode updated early to revision 0xa0b, date = 2010-09-28
  [    0.718229] microcode: CPU0 sig=0x1067a, pf=0x40, revision=0xa0b
  [    0.718248] microcode: CPU1 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718266] microcode: CPU2 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718280] microcode: CPU3 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718286] microcode: CPU4 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718296] microcode: CPU5 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718308] microcode: CPU6 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718339] microcode: CPU7 sig=0x1067a, pf=0x40, revision=0xa07
  [    0.718441] microcode: Microcode Update Driver: v2.00 <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba

  This is weird. All CPU cores showing same sig, but only one core's
  microcode updated?

  The machines have two physical CPUs, both are L5420, thus totally 8
  CPU cores.

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