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[Launchpad Bug Tracker <1284093@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package wireless-regdb -
2014.11.18-1ubuntu1~ubuntu15.04.1

---------------
wireless-regdb (2014.11.18-1ubuntu1~ubuntu15.04.1) vivid; urgency=medium

  * Vivid SRU LP: #1284093

 -- Jonathan Riddell <jriddell@xxxxxxxxxx>  Fri, 12 Jun 2015 07:02:48
+0200

** Changed in: wireless-regdb (Ubuntu Vivid)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1284093

Title:
  Please update regulations to support VHT

Status in wireless-regdb package in Ubuntu:
  Fix Released
Status in wireless-regdb source package in Vivid:
  Fix Released
Status in wireless-regdb source package in Wily:
  Fix Released

Bug description:
  Only very recent versions of wireless-regdb have support for VHT
  (80mhz channels); in addition, all current kernels have a bug that
  will cause your card to fail to associate with a VHT ap when your
  local regdb didn't allow VHT:

  https://bugzilla.kernel.org/show_bug.cgi?id=70881

  I have updated the existing Debian bug requesting this too:
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=729089

  Well, more precisely I have emailed the update but it hasn't gone
  through yet.  :)

  I would recommend updating to 2013.11.27 (current upstream) as it
  includes other regulatory fixes. I would also recommend applying this
  to at least Precise and Trusty, possibly Saucy since it is still
  supported.

  Here is the update that should post to the Debian bug soon:
  "I would much appreciate this, especially you make the jump to 2013.11.27. The new regdb will also solve issues with 802.11ac; the referenced version appears to be the first with support for 80mhz channels. Without the new regdb (or a patch the kernel that masks the symptoms, below), when you connect to an AP that supports 80mhz channels, you are disconnected with a nearly useless error. Link to the ticket, with details and the symptom-masking patch that will be in future kernels:

  https://bugzilla.kernel.org/show_bug.cgi?id=70881

  It would be great if we could get the new regdb upstream into Debian
  asap; in the meantime I will try to get an updated version into a ppa
  for Ubuntu users at least. ;)"

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