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[Bug 1328594] Re: [Lenovo ThinkPad Edge E320] Wifi disappears ubuntu 13.10 and 14.04

 

Momchil Ignatov, could you please test the latest upstream kernel available from the first line at the top page (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-3.15

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags removed: bios-outdated-1.21
** Tags added: latest-bios-1.21 needs-wifi-debug

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https://bugs.launchpad.net/bugs/1328594

Title:
  [Lenovo ThinkPad Edge E320] Wifi disappears ubuntu 13.10 and 14.04

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I have been running in this desktop dual boot win 7 / ubuntu
  12.04;12.10;13.04. From 13.10 my wifi connection is very slow.
  upgraded to 14.04 - the problem exists. Changed the wifi router - same
  result. Did a fresh install of ubuntu 14.04 and again having wifi
  problem - connection slows down unexpectedly and the router
  disappears. Boot to windows 7 - and have no problem with the speed and
  connection.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  momchi44   2000 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jun 10 19:12:15 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-06-08 (2 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  Lsusb:
   Bus 002 Device 003: ID 04f2:b27c Chicony Electronics Co., Ltd 
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 12984WG
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic root=UUID=839407ba-fe38-4074-bfdd-d98cda56f9c2 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-29-generic N/A
   linux-backports-modules-3.13.0-29-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/27/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8NET27WW (1.11 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 12984WG
  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:bvr8NET27WW(1.11):bd07/27/2011:svnLENOVO:pn12984WG:pvrThinkPadEdgeE320:rvnLENOVO:rn12984WG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 12984WG
  dmi.product.version: ThinkPad Edge E320
  dmi.sys.vendor: LENOVO

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