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[Ara Pulido <ara@xxxxxxxxxx>]

I have confirmed that the workaround on bug #1293569 solves the issue
for me, so I will mark this bug as duplicate.

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https://bugs.launchpad.net/bugs/1314562

Title:
  [Dell XPS 13] Intel Wireless 7260 has very bad connectivity

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Wifi has very bad connectivity in this system.

  Some of behaviour I am experiencing:

   * During the connection (specially visible on video calls) it seems that the connection loses packages. This is on-going and it happens all the time.
   * Every ~10 minutes, the connection is completely lost during 15 seconds, and then it reconnects again. When that happens, the following messages show in dmesg:

  [ 2274.914647] wlan0: deauthenticating from a0:21:b7:d9:c4:23 by local choice (reason=2)
  [ 2274.917456] wlan0: authenticate with a0:21:b7:d9:c4:23
  [ 2274.919021] wlan0: send auth to a0:21:b7:d9:c4:23 (try 1/3)
  [ 2274.919950] cfg80211: Calling CRDA to update world regulatory domain

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  ara        2105 F.... pulseaudio
   /dev/snd/controlC1:  ara        2105 F.... pulseaudio
   /dev/snd/controlC0:  ara        2105 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Apr 30 11:44:14 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-04-29 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. XPS13 9333
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic.efi.signed root=UUID=c46c99a8-b4fb-4c07-b6ea-245e927f273d ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/19/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 0GFTRT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA04:bd03/19/2014:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: XPS13 9333
  dmi.sys.vendor: Dell Inc.

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