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[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

[ 2614.587867] ------------[ cut here ]------------
[ 2614.587878] WARNING: CPU: 3 PID: 6770 at /build/buildd/linux-3.13.0/drivers/net/wireless/iwlwifi/pcie/trans.c:1010 iwl_trans_pcie_grab_nic_access+0xcb/0xe0 [iwlwifi]()
[ 2614.587879] Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff)

It very much seems the device has completely stopped responding.  I am
wondering if there is newer firmware available for this device with the
LTS backport kernels.

** Summary changed:

- Wifi breaks when multiple SSIDs with same name
+ Wifi breaks in complex wifi scenarios (multiple SSIDs with same name etc)

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https://bugs.launchpad.net/bugs/1450754

Title:
  Wifi breaks in complex wifi scenarios (multiple SSIDs with same name
  etc)

Status in linux package in Ubuntu:
  New

Bug description:
  wifi breaks
  Kernel panic after eprom disappeared (reported gone)
  requires poweroff to fix

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-51-generic 3.13.0-51.84
  ProcVersionSignature: Ubuntu 3.13.0-51.84-generic 3.13.11-ckt18
  Uname: Linux 3.13.0-51-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mab        3532 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri May  1 10:39:13 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-11-11 (170 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  IwConfig:
   eth2      no wireless extensions.
   
   lo        no wireless extensions.
   
   virbr0    no wireless extensions.
  MachineType: LENOVO 4291CC3
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-51-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-51-generic N/A
   linux-backports-modules-3.13.0-51-generic  N/A
   linux-firmware                             1.127.11
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/18/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET69WW (1.39 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4291CC3
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: 2622744
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET69WW(1.39):bd07/18/2013:svnLENOVO:pn4291CC3:pvrThinkPadX220:rvnLENOVO:rn4291CC3:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4291CC3
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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