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[Damien <humanisfood@xxxxxxxxxxx>]

I am also having this issue in Ubuntu 14.04 and my Lenovo IdeaPad Flex
15 (59387556).

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https://bugs.launchpad.net/bugs/1264384

Title:
  8086:08b2 [Lenovo ThinkPad S3-S440] Wireless  Intel 7260 (rev. 73)
  unstable

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  wireless card is not working properly in linux. card is crashing with firmware installed by 13.10 Ubuntu.
  after firmware upgrade to 22.1.7.0 (iwlwifi) it's much better and problems occurs only when:
  a) too much AP's around me (in office)
  b) >5 meter away from home AP (signal strength is low, in Win8 works perfectly)
  wifi reconnects again every minute or two.
  interesting info: when the network usage is higer (video streaming), wifi is reconnecting only every 5 minutes.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-14-generic 3.11.0-14.21
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  Uname: Linux 3.11.0-14-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  rfordinal   2263 F.... pulseaudio
   /dev/snd/controlC1:  rfordinal   2263 F.... pulseaudio
   /dev/snd/pcmC1D0p:   rfordinal   2263 F...m pulseaudio
  Date: Thu Dec 26 23:23:28 2013
  HibernationDevice: RESUME=UUID=cd7a987c-48a7-4468-b012-cdea8c4517bf
  InstallationDate: Installed on 2013-12-14 (11 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 20AY001CMC
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic.efi.signed root=UUID=8518884a-a433-4aa3-8bc3-7477dda998e1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-14-generic N/A
   linux-backports-modules-3.11.0-14-generic  N/A
   linux-firmware                             1.116
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/23/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: J3ET32WW (1.09 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AY001CMC
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 STD DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrJ3ET32WW(1.09):bd07/23/2013:svnLENOVO:pn20AY001CMC:pvrThinkPadS3-S440:rvnLENOVO:rn20AY001CMC:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AY001CMC
  dmi.product.version: ThinkPad S3-S440
  dmi.sys.vendor: LENOVO
  --- 
  ApportVersion: 2.12.7-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D8p', '/dev/snd/controlC4', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CasperVersion: 1.336ubuntu1
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131231)
  MachineType: LENOVO 20AY001CMC
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-7-generic N/A
   linux-backports-modules-3.12.0-7-generic  N/A
   linux-firmware                            1.117
  Tags:  trusty
  Uname: Linux 3.12.0-7-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 07/23/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: J3ET32WW (1.09 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AY001CMC
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 STD DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrJ3ET32WW(1.09):bd07/23/2013:svnLENOVO:pn20AY001CMC:pvrThinkPadS3-S440:rvnLENOVO:rn20AY001CMC:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AY001CMC
  dmi.product.version: ThinkPad S3-S440
  dmi.sys.vendor: LENOVO

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