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[Matt Zimmerman <mdz-ubuntu@xxxxxxxxx>]

Indeed, there have been a lot of updates. I will update the BIOS and
report back.

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https://bugs.launchpad.net/bugs/1024491

Title:
  Centrino Advanced-N 6205 wifi doesn't resume (hard blocked)

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Every day, when I wake up my ThinkPad x220 from sleep, its wifi
  doesn't come back. "rfkill list" shows:

  1: phy0: Wireless LAN
  	Soft blocked: no
  	Hard blocked: yes

  and dmesg shows:

  [32330.371510] iwlwifi 0000:03:00.0: RF_KILL bit toggled to disable
  radio.

  toggling the hardware kill switch has no effect. Reloading the module
  doesn't resolve the problem. Suspending and resuming again doesn't
  resolve the problem. The only way I've found to get back online is to
  reboot.

  Oddly, I haven't been able to reproduce this by suspending and then
  resuming immediately. It seems to happen when the machine is left
  suspended for a period of time, like overnight.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-26-generic 3.2.0-26.41
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
  Uname: Linux 3.2.0-26-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mdz        2236 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf2620000 irq 52'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:14f1506e,17aa21da,00100000 HDA:80862805,80860101,00100000'
     Controls      : 26
     Simple ctrls  : 8
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
     Mixer name	: 'ThinkPad EC (unknown)'
     Components	: ''
     Controls      : 1
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Fri Jul 13 10:02:50 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  MachineType: LENOVO 4286CTO
  ProcEnviron:
   TERM=xterm
   LC_COLLATE=C
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/zsh
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-26-generic root=UUID=b4f82fbf-ca0b-4df1-86f6-2c4a94b99732 ro quiet splash vt.handoff=7
  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
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: Upgraded to precise on 2012-03-14 (120 days ago)
  dmi.bios.date: 05/31/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET47WW (1.17 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4286CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET47WW(1.17):bd05/31/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4286CTO
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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