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[Bug 219057] Re: Bluetooth does not coexist with WiFi

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: mvtlam <219057@xxxxxxxxxxxxxxxxxx>
Date: Fri, 04 Mar 2016 16:21:54 -0000
Reply-to: Bug 219057 <219057@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

It has been 8 years since this bug was reported and it still exists...
Is it going to be fixed one day or are we gonna grow a community around
this bug and all become part of a big family ?

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https://bugs.launchpad.net/bugs/219057

Title:
  Bluetooth does not coexist with WiFi

Status in bluez package in Ubuntu:
  Confirmed

Bug description:
  On my system bluetooth and wifi are unusable together. I have a built-
  in CSR-based bluetooth module in my laptop, and an Atheros wifi. Wifi
  transfers slow to a halt whenever there is BT traffic.

  For example, if I play a music file from another machine through the
  network using a BT headset, only the first few seconds of the file
  will play until the player runs out of buffered data. No further data
  is downloaded. Web pages also do not download, and I even lose
  connection to AP from time to time.

  At the same time, it looks like AFH is trying to work. If I monitor
  the value returned by 'hcitool afh', it changes. But this seems to
  have little effect on connection quality.

  Is this a problem with my hardware, or the AFH implementation? Is
  there a way to force bluetooth to not use the channels in use by WiFi?

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