This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1631803

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1631803

Title:
   ath9k driver randomly disconnects and can only reconnect by reloading
  the module

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  This is the exact same bug described in Bug #407040 and Bug #404433, I
  need to reopen this as it was never fixed. I look as though network
  card is not able to reset and is causing random disconnects and
  causing the wlan interface to become unavailable, to a point where I
  need to restart my netbook to get access to the interface again. DMESG
  output:

  [  400.285672] ath: phy0: Chip reset failed
  [  400.285688] ath: phy0: Unable to reset channel, reset status -22
  [  400.285771] ath: phy0: Unable to set channel
  [  400.288009] ath: phy0: RX failed to go idle in 10 ms RXSM=0xffffffff
  [  400.288009] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff 
AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff

  
  I am running:
  Linux albert-1001PXD 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:41:41 UTC 
2016 i686 i686 i686 GNU/Linux

  
  The previous bug reports expired and I haven't found a fix online.

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