Should be a kernel issue, re-assigning.

** Package changed: ibus (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1629469

Title:
  wifi wi-fi wireless connection drops down randomly

Status in linux package in Ubuntu:
  New

Bug description:
  wifi wi-fi wireless connection drops down flowing to kern.log:

  Sep 26 19:27:13 freelsd-luck kernel: [28423.068865] ath: phy0: DMA failed to 
stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
  Sep 26 19:27:13 freelsd-luck kernel: [28423.182073] ath: phy0: Chip reset 
failed
  Sep 26 19:27:13 freelsd-luck kernel: [28423.182085] ath: phy0: Unable to 
reset channel, reset status -22
  Sep 26 19:27:13 freelsd-luck kernel: [28423.258006] ath: phy0: DMA failed to 
stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
  Sep 26 19:27:13 freelsd-luck kernel: [28423.371691] ath: phy0: Chip reset 
failed
  Sep 26 19:27:13 freelsd-luck kernel: [28423.371702] ath: phy0: Unable to 
reset channel, reset status -22
  Sep 26 19:27:14 freelsd-luck kernel: [28423.447861] ath: phy0: DMA failed to 
stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
  Sep 26 19:27:14 freelsd-luck kernel: [28423.560914] ath: phy0: Chip reset 
failed
  Sep 26 19:27:14 freelsd-luck kernel: [28423.560926] ath: phy0: Unable to 
reset channel, reset status -22
  Sep 26 19:27:14 freelsd-luck kernel: [28423.636926] ath: phy0: DMA failed to 
stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff

  Would be easier to have a opportunity to reset connection through logging out 
from DE.
  I do appreciate any clarifications!

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ibus 1.5.11-1ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
  Uname: Linux 4.4.0-38-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Sep 30 23:27:14 2016
  ExecutablePath: /usr/bin/ibus-daemon
  InstallationDate: Installed on 2016-08-30 (31 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  ProcEnviron:
   LANGUAGE=ru
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  SourcePackage: ibus
  UpgradeStatus: No upgrade log present (probably fresh install)

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