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[ar <1276238@xxxxxxxxxxxxxxxxxx>]

I have two machines. A Thinkpad W701 and a Thinkpad Edge 510. Both with
a Realtek 8192SE adapter.

Installed a fresh Ubuntu 14.04 version 64 bits on both.

The Edge 510 loses the wifi connection time and time again, and loses in
the end the interface connection! The W701 loses the connection just
once a day, but recovers within 5 seconds.

Installed kernel 3.15 RC6 on the Edge 510, but it did not help. The
driver is identical to the 3.13 version. Problems remain the same.

Ubuntu 13.10 was in March 2014 working correctly.

Is wpa_supplicant the culprit?

What is the next step to solve this bug?

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https://bugs.launchpad.net/bugs/1276238

Title:
  Wifi Connection Dropping/Need to reconnect

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  While connected to wifi, my system will randomly drop the connection
  and ask me to reconnect.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-6-generic 3.13.0-6.23
  ProcVersionSignature: Ubuntu 3.13.0-6.23-generic 3.13.0
  Uname: Linux 3.13.0-6-generic x86_64
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jason      2254 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Feb  4 16:25:02 2014
  HibernationDevice: RESUME=UUID=60d68a6f-e268-441d-a7b9-8626d1521267
  InstallationDate: Installed on 2012-11-06 (455 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: LENOVO 4286CTO
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-6-generic root=UUID=06af135e-53bd-4ecc-ba8a-471be159d14a ro quiet splash i915.semaphores=0 vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-6-generic N/A
   linux-backports-modules-3.13.0-6-generic  N/A
   linux-firmware                            1.123
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-01-07 (27 days ago)
  dmi.bios.date: 12/01/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET56WW (1.26 )
  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:bvr8DET56WW(1.26):bd12/01/2011: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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