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[jader_nomak <pavelpetr.cz@xxxxxxxxx>]

Similar problem with same wifi adapter - Intel Corporation Wireless 3160
(rev 93).

After boot wifi works, after few minutes without reason internet stops
to work, but connection is not lost.

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https://bugs.launchpad.net/bugs/1385782

Title:
  Intel wireless 3160 ac unsable/disconnection

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I am experiencing problems with Intel wireless 3160 ac on Ubuntu 14.04. At the moment I am using the kernel 3.13.0-37_3.13.0-37.64+iwlltr0001 from: http://people.canonical.com/~sforshee/iwl-ltr/trusty/ and the firmware iwlwifi-3160-9-ucode.
  I am usually observing the wireless behaviour through wavemon and the number of invalid misc increases continuously when I am surfing on the internet. Occasionally the pages stop loading and the the number of mac retries increases. After around of 1Gb downloaded (or less) I always losing the connection, the network-manager has to be restarted but the wireless connection cannot be recovered until I reboot. Usually the bitrate is around 1-2Mbit/s.
  I have tried already the kernel 3.16.3 but the problem is even worse.
  --- 
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  andrea     1867 F.... pulseaudio
   /dev/snd/pcmC1D0p:   andrea     1867 F...m pulseaudio
   /dev/snd/controlC0:  andrea     1867 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=8151f3b0-8d5c-4917-9bc3-cf3b91ee2c44
  InstallationDate: Installed on 2014-10-23 (2 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: TOSHIBA SATELLITE L50-B
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=UUID=21c33eb9-d819-4ce1-8d9e-719e25c3a4de ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-37.64+iwlltr0001-generic 3.13.11.7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-37-generic N/A
   linux-backports-modules-3.13.0-37-generic  N/A
   linux-firmware                             1.127.8
  Tags:  trusty
  Uname: Linux 3.13.0-37-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 05/05/2014
  dmi.bios.vendor: INSYDE Corp.
  dmi.bios.version: 1.40
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Type2 - Board Product Name1
  dmi.board.vendor: Type2 - Board Vendor Name1
  dmi.board.version: Type2 - Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis ManuFacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnINSYDECorp.:bvr1.40:bd05/05/2014:svnTOSHIBA:pnSATELLITEL50-B:pvrPSKTAE-0C001CIT:rvnType2-BoardVendorName1:rnType2-BoardProductName1:rvrType2-BoardVersion:cvnOEMChassisManuFacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: SATELLITE L50-B
  dmi.product.version: PSKTAE-0C001CIT
  dmi.sys.vendor: TOSHIBA

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