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[Bug 1476050] Re: Wifi disconnects every few minutes


I have this problem too, on my HP 15-AF014AU notebook. I installed 14.04
a couple of days ago, and noticed the WiFi dropping out. I moved to
14.10, which seemed to fix it, but after a few hours it dropped out
there too. I'm now on 15.04, and the problem persists.

The dropout is an absolute pain. I'll see how it goes with the hidden-
network trip, but if it's unusable I may have to look for a different
distro. Probably Debian has same problem.

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  Wifi disconnects every few minutes

Status in linux package in Ubuntu:

Bug description:
  It seems like the wifi disconnects every few minutes. Disabling
  network, enabling it causes all networks to disappear. Then "connect
  to hidden network" will show the dropped network , and reconnect is
  made possible again. This has been reported as a question on
  Launchpad: https://answers.launchpad.net/ubuntu/+question/266033

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-21-generic 3.19.0-21.21
  ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
  Uname: Linux 3.19.0-21-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
   /dev/snd/controlC1:  idoerg     1344 F.... pulseaudio
   /dev/snd/controlC0:  idoerg     1344 F.... pulseaudio
  CurrentDesktop: LXDE
  Date: Sun Jul 19 16:51:18 2015
  HibernationDevice: RESUME=UUID=810a6e8e-9aab-4a6a-98db-82cb0499339b
  InstallationDate: Installed on 2015-06-22 (26 days ago)
  InstallationMedia: Lubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. Latitude E5450
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-21-generic root=/dev/mapper/lubuntu--vg-root ro quiet splash vt.handoff=7
   linux-restricted-modules-3.19.0-21-generic N/A
   linux-backports-modules-3.19.0-21-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/05/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0DCPV1
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd01/05/2015:svnDellInc.:pnLatitudeE5450:pvr01:rvnDellInc.:rn0DCPV1:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E5450
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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