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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Serge Hallyn as per your :
[    0.328924] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
...
[    2.609004] [Firmware Bug]: ACPI(NGFX) defines _DOD but not _DOS

Hence, as per http://esupport.sony.com/US/p/model-home.pl?mdl=VPCF11KFXB&template_id=1&region_id=1&tab=download#/downloadTab an update is available for your BIOS (R0280Y6). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it doesn't, could you please both specify what happened, and just provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Thank you for your understanding.

** Tags added: bios-outdated-r0280y6

** Summary changed:

- Error with wireless network activity
+ 168c:002e [Sony VAIO VPCF11KFX] Error with wireless network activity

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

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https://bugs.launchpad.net/bugs/1089470

Title:
  168c:002e [Sony VAIO VPCF11KFX] Error with wireless network activity

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  So far trying to dput a kernel, and trying to post this bug report
  have both continuously brought up this error, after which i have to
  bring the network down and back up (using network manager).  It was
  getting to the point where it only took a second or two of activity to
  bring it down.

  Wired network seems fine so far.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-19-generic 3.5.0-19.30
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  Uname: Linux 3.5.0-19-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  serge      2989 F.... pulseaudio
   /dev/snd/controlC0:  serge      2989 F.... pulseaudio
  Date: Wed Dec 12 10:27:06 2012
  HibernationDevice: RESUME=UUID=9fb60ad6-789f-4542-8831-462512f0425e
  InstallationDate: Installed on 2012-03-24 (262 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120323)
  MachineType: Sony Corporation VPCF11KFX
  MarkForUpload: True
  ProcEnviron:
   TERM=rxvt
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-19-generic root=UUID=ab404185-0c14-4e92-9f61-666764289233 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-19-generic N/A
   linux-backports-modules-3.5.0-19-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: Upgraded to quantal on 2012-12-03 (8 days ago)
  dmi.bios.date: 12/07/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R0250Y6
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR0250Y6:bd12/07/2009:svnSonyCorporation:pnVPCF11KFX:pvrR5840006:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VPCF11KFX
  dmi.product.version: R5840006
  dmi.sys.vendor: Sony Corporation

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