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[Erlenmayr <1483998@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I have Ubuntu 15.04 on a unmodified August 2014 Macbook Pro Retina 13
inch with i7. The only proprietary driver running is bcmwl. Because of
the fact that freezing happens immediately on changing Network settings,
I think that bcmwl is the cause.

Symptoms:
System freezes completely, screen does not turn off.

Occasions:
A)
If NetworkManager selected one Wifi to connect, and I click on a different one to connect, sometimes system freezes.

B) After setting up wifi without IPv4 (set IPv4 on “ignore” in Network
Manager) and connect it to IPv6, it first looks fine. “ping6 google.com”
works like expected. When then starting Firefox or XChat IRC, System
freezes.

Notes:
- I do have a native IPv6 Internet connection
- I experienced no such problems with Ubuntu 14.10, so I guess it is related to kernel/bcmwl compatibility, since the driver version used to be the same.
- there are no logs in /var/crash

bcmwl version:
6.30.223.248+bdcom-0ubuntu2

kernel version:
3.19.0-25-generic

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu2
ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
Uname: Linux 3.19.0-25-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1.2
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Aug 12 08:51:08 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-11-15 (269 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: bcmwl (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug vivid

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to bcmwl in Ubuntu.
https://bugs.launchpad.net/bugs/1483998

Title:
  System freezes when changing network preferences

Status in bcmwl package in Ubuntu:
  New

Bug description:
  I have Ubuntu 15.04 on a unmodified August 2014 Macbook Pro Retina 13
  inch with i7. The only proprietary driver running is bcmwl. Because of
  the fact that freezing happens immediately on changing Network
  settings, I think that bcmwl is the cause.

  Symptoms:
  System freezes completely, screen does not turn off.

  Occasions:
  A)
  If NetworkManager selected one Wifi to connect, and I click on a different one to connect, sometimes system freezes.

  B) After setting up wifi without IPv4 (set IPv4 on “ignore” in Network
  Manager) and connect it to IPv6, it first looks fine. “ping6
  google.com” works like expected. When then starting Firefox or XChat
  IRC, System freezes.

  Notes:
  - I do have a native IPv6 Internet connection
  - I experienced no such problems with Ubuntu 14.10, so I guess it is related to kernel/bcmwl compatibility, since the driver version used to be the same.
  - there are no logs in /var/crash

  bcmwl version:
  6.30.223.248+bdcom-0ubuntu2

  kernel version:
  3.19.0-25-generic

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu2
  ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1.2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Aug 12 08:51:08 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-11-15 (269 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: bcmwl
  UpgradeStatus: No upgrade log present (probably fresh install)

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