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[Nick <nick@xxxxxxxxxxxx>]

apport information

** Attachment added: "BootDmesg.txt"
   https://bugs.launchpad.net/bugs/1423296/+attachment/4322038/+files/BootDmesg.txt

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

Title:
  Only one CPU core gets microcode updated

Status in linux package in Ubuntu:
  Confirmed

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.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nickyip    1967 F.... pulseaudio
   /dev/snd/controlC1:  nickyip    1967 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=e346838c-10dc-4756-8118-7733f91625ad
  InstallationDate: Installed on 2013-05-18 (640 days ago)
  InstallationMedia: Xubuntu 13.04 "Raring Ringtail" - Release i386 (20130423.1)
  IwConfig:
   lo        no wireless extensions.
   
   eth1      no wireless extensions.
   
   eth2      no wireless extensions.
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-30-generic root=UUID=56330447-beb4-4d99-9f44-9daa91c8ca80 ro quiet splash nmi_watchdog=0 nohz=off cgroup_disable=memory
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-30-generic N/A
   linux-backports-modules-3.16.0-30-generic  N/A
   linux-firmware                             1.134~gd~t
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty
  Uname: Linux 3.16.0-30-generic i686
  UpgradeStatus: Upgraded to trusty on 2014-07-24 (209 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
  _MarkForUpload: True
  dmi.bios.date: 11/24/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0501
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: DSAN-DX
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xxG
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0501:bd11/24/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnDSAN-DX:rvrRev1.xxG:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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