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[Bruno Pagani <1170836@xxxxxxxxxxxxxxxxxx>]

Ok, I’m not really sure of the process, so what I’m going to try first
is wether the issue was present on stock 10.04, stock 11.04, and stock
10.10. Then I will need to try point release of kernel, right? How am I
supposed to do that? I can’t change the kernel on a live install, can I?

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https://bugs.launchpad.net/bugs/1170836

Title:
  PCIe ASPM disabled while supported

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I'm quite sure that my computer support PCIe ASPM (since I can force
  it to be enabled, and gain some watts on consumption), however the
  kernel disable it with this error:

  ACPI FADT declares the system doesn't support PCIe ASPM, so disable it

  I'm wondering is that could be an issue coming from this (a bit earlier in the kernel.log):
  ACPI Warning: 32/64 FACS address mismatch in FADT - two FACS tables! (20121018/tbfadt-394)
  ACPI BIOS Bug: Warning: 32/64X FACS address mismatch in FADT - 0xBB649F40/0x00000000BB64CD40, using 32 (20121018/tbfadt-521)

  I don't know what are relevant informations, so ask me if you would
  like any log or me to test anything.

  This is not something new, I have this issue for ages but never reported before.
  --- 
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  archangegabriel   1964 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=94d188b9-7a1a-4ad4-9bf3-f6cecd5dca0e
  InstallationDate: Installed on 2012-12-16 (124 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20121216)
  MachineType: ASUSTeK Computer Inc. U43Jc
  MarkForUpload: True
  Package: linux 3.8.0.19.35
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-19-generic root=UUID=7b4efc1b-effe-4316-a61e-a12dba4f9673 ro quiet splash pcie_aspm=force
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-19-generic N/A
   linux-backports-modules-3.8.0-19-generic  N/A
   linux-firmware                            1.106
  Tags: third-party-packages raring
  Uname: Linux 3.8.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 11/12/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 216
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U43Jc
  dmi.board.vendor: PEGATRON CORPORATION
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: PEGATRON Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr216:bd11/12/2010:svnASUSTeKComputerInc.:pnU43Jc:pvr1.0:rvnPEGATRONCORPORATION:rnU43Jc:rvr1.0:cvnPEGATRONComputerInc.:ct10:cvr1.0:
  dmi.product.name: U43Jc
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.
  --- 
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     2757 F.... pulseaudio
  CasperVersion: 1.336ubuntu1
  DistroRelease: Ubuntu 13.10
  LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: ASUSTeK Computer Inc. U43Jc
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 11/12/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 216
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U43Jc
  dmi.board.vendor: PEGATRON CORPORATION
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: PEGATRON Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr216:bd11/12/2010:svnASUSTeKComputerInc.:pnU43Jc:pvr1.0:rvnPEGATRONCORPORATION:rnU43Jc:rvr1.0:cvnPEGATRONComputerInc.:ct10:cvr1.0:
  dmi.product.name: U43Jc
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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