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[Launchpad Bug Tracker <1021289@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1021289

Title:
  Linux 3.2.0-26-generic (Ubuntu 12.04) only seeing 16GB/24GB RAM

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Hello Ubuntu devs

  On my machine, I have 24GB ram, in the form of 6 x 4GB Kingston
  Hyper-X (3 kits with 2 blocks, exact model number KHX1333C9D3B1K2/8G).

  When booting Windows 7, I can see all 24GB without issue. However,
  when booting Linux, I only see 16GB total.

  For some odd reason, dmidecode only reports 4 DIMMs to be installed.
  Could this be related?

  [chrivers@helios]~ #sudo dmidecode | grep -E '^\sSize: '
          Size: 4096 MB
          Size: 4096 MB
          Size: No Module Installed
          Size: No Module Installed
          Size: 4096 MB
          Size: 4096 MB

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
  Uname: Linux 3.2.0-26-generic x86_64
  NonfreeKernelModules: fglrx
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  chrivers   2715 F.... pulseaudio
   /dev/snd/controlC3:  chrivers   2715 F.... pulseaudio
   /dev/snd/controlC1:  chrivers   2715 F.... pulseaudio
   /dev/snd/controlC0:  chrivers   2715 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfb9f8000 irq 49'
     Mixer name	: 'Realtek ALC889A'
     Components	: 'HDA:10ec0885,18490890,00100101'
     Controls      : 47
     Simple ctrls  : 23
  Card1.Amixer.info:
   Card hw:1 'Generic'/'HD-Audio Generic at 0xfbdfc000 irq 50'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100200'
     Controls      : 6
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Card2.Amixer.info:
   Card hw:2 'USB'/'Focusrite Scarlett 2i2 USB at usb-0000:00:1d.7-4.4.1, high speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB1235:8006'
     Controls      : 0
     Simple ctrls  : 0
  Card2.Amixer.values:
   
  Card3.Amixer.info:
   Card hw:3 'Generic_1'/'HD-Audio Generic at 0xfbefc000 irq 51'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100200'
     Controls      : 6
     Simple ctrls  : 1
  Card3.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Thu Jul  5 15:12:38 2012
  HibernationDevice: RESUME=UUID=58ad4099-f1ab-4c75-9b2c-a9879b8e8d9d
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120424)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcEnviron:
   LANGUAGE=en_DK:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_DK.UTF-8
   SHELL=/bin/zsh
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-26-generic root=/dev/mapper/storage-root ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-26-generic N/A
   linux-backports-modules-3.2.0-26-generic  N/A
   linux-firmware                            1.79
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/25/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.90
  dmi.board.name: X58 Extreme
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.90:bd04/25/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnX58Extreme:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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