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[friendlyfrank <frank@xxxxxxxxxxxxxxxxxxxxxx>]

updated the bios but no change, still fails looses ip adress shows no
inet adress . powering  off the wifi and on again has no effect but
deselecting wifi and reconecting restores the connection.

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https://bugs.launchpad.net/bugs/945379

Title:
  168c:002b Wireless connection randomly drops -- ath9k

Status in The Linux Kernel:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  This an old problem that oneiric had in its early days. The wifi
  connection randomly drops. Sometimes it reconnect itself (after asking
  for the WPA key again ...), but most of time it is needed to
  deactivate/activate wireless networking from nm-applet or, when it
  doesn't do the trick, I need to turn off/on wireless networks using
  the hw switch.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-17-generic 3.2.0-17.27
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
  Uname: Linux 3.2.0-17-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.94-0ubuntu1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: VT1802 Analog [VT1802 Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lox        2205 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xdf600000 irq 44'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:11068446,10431053,00100000 HDA:80862805,80860101,00100000'
     Controls      : 37
     Simple ctrls  : 19
  Date: Sat Mar  3 15:19:16 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  MachineType: ASUSTeK Computer Inc. U30Sd
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=30a646df-2e56-4842-b0ae-3c78db7c0b05 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-17-generic N/A
   linux-backports-modules-3.2.0-17-generic  N/A
   linux-firmware                            1.71
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/06/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: U30Sd.211
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U30Sd
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrU30Sd.211:bd07/06/2011:svnASUSTeKComputerInc.:pnU30Sd:pvr1.0:rvnASUSTeKComputerInc.:rnU30Sd:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: U30Sd
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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