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[Šarūnas Valaškevičius <1189611@xxxxxxxxxxxxxxxxxx>]

does anyone know if there is any progress on this issue? so far I'm
holding my kernel related updates with a fear to see this again :D

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https://bugs.launchpad.net/bugs/1189611

Title:
  bcmwl-kernel-source 6.30.223.30+bdcom-0ubuntu1 fails to see 5GHz
  networks and is unstable on 2.5GHz

Status in “bcmwl” package in Ubuntu:
  Confirmed

Bug description:
  Hardware: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02)

  This chip is working perfectly fine on 2.5GHz and 5GHz using version
  6.20.155.1+bdcom-0ubuntu6 of the driver.

  After upgrading to saucy and installing version 6.30.223.30+bdcom-
  0ubuntu1 it fails to find any 5GHz networks and connections on 2.5GHz
  are unstable.

  Downgrading the saucy machine to kernel 3.8.x and bcmwl-kernel-source
  6.20.155.1+bdcom-0ubuntu6 (both from raring) makes the chip work
  again.

  Downgrading just the kernel to 3.8 and keeping bcmwl-kernel-source at
  version 6.30.223.30+bdcom-0ubuntu1 does NOT fix the issue.

  Looking at the changelog its most likely caused by the update to the
  new upstream release.

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