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[ralphb <1445458@xxxxxxxxxxxxxxxxxx>]

Same here.  Connecting to Linksys router everything works fine,
connecting to TP-Link router nearly instant freeze post authentication.
When the machine freezes, Caps Lock is flashing, and there is no way to
recover (as the machine has no wired connection).

@gianguidorama: Why not mark this bug report as affecting you?  This
might raise awareness.

Also note bug +1451789, which sounds very similar.

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https://bugs.launchpad.net/bugs/1445458

Title:
  BCM4360 bcmwl-kernel-source System Freeze every few Seconds

Status in bcmwl package in Ubuntu:
  Confirmed

Bug description:
  Every newer version of bcmwl-kernel-source than 6.30.223.141+bdcom-
  0ubuntu2 causes complete Freezes on my System every few Seconds.
  Removing the wl module restores the system to its normal state.
  Compiling the latest version 6.30.223.248 from the Broadcom STA Source
  makes no difference as well as using the latest Mainline-Kernel. So
  some of the changes between 6.30.223.141 and 6.30.223.248 must be
  responsible.

  Version 6.30.223.248+bdcom-0ubuntu0.1 installs without any Errors but
  as soon as the wl Module is loaded the Freezes occur. Dmesg shows
  nothing of note.

  $ lsb_release -rd
  Description:	Ubuntu 14.04.2 LTS
  Release:	14.04

  $ apt-cache policy bcmwl-kernel-source
  bcmwl-kernel-source:
    Installiert:           6.30.223.141+bdcom-0ubuntu1
    Installationskandidat: 6.30.223.248+bdcom-0ubuntu0.1
    Versionstabelle:
       6.30.223.248+bdcom-0ubuntu0.1 0
          500 http://at.archive.ubuntu.com/ubuntu/ trusty-updates/restricted amd64 Packages
       6.30.223.141+bdcom-0ubuntu2 0
          500 http://at.archive.ubuntu.com/ubuntu/ trusty/restricted amd64 Packages
   *** 6.30.223.141+bdcom-0ubuntu1 0
          100 /var/lib/dpkg/status

  Hardware: Asus PCE-AC66
  02:00.0 Network controller: Broadcom Corporation BCM4360 802.11ac Wireless Network Adapter (rev 02)

  Apport-Info:
  ProblemType: Bug
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Apr 17 13:55:22 2015
  Dependencies:
   adduser 3.113+nmu3ubuntu3
   apt-utils 1.0.1ubuntu2.6
   base-passwd 3.5.33
   binutils 2.24-5ubuntu3.1
   busybox-initramfs 1:1.21.0-1ubuntu1
   coreutils 8.21-1ubuntu5.1
   cpio 2.11+dfsg-1ubuntu1.1
   cpp 4:4.8.2-1ubuntu6
   cpp-4.8 4.8.2-19ubuntu1
   dbus 1.6.18-0ubuntu4.3
   debconf 1.5.51ubuntu2
   debconf-i18n 1.5.51ubuntu2
   debianutils 4.4
   dkms 2.2.0.3-1.1ubuntu5.14.04
   dpkg 1.17.5ubuntu5.4
   e2fslibs 1.42.9-3ubuntu1.2
   e2fsprogs 1.42.9-3ubuntu1.2
   fakeroot 1.20-3ubuntu2
   findutils 4.4.2-7
   gcc 4:4.8.2-1ubuntu6
   gcc-4.8 4.8.2-19ubuntu1
   gcc-4.8-base 4.8.2-19ubuntu1
   gcc-4.9-base 4.9.1-0ubuntu1
   ifupdown 0.7.47.2ubuntu4.1
   initramfs-tools 0.103ubuntu4.2
   initramfs-tools-bin 0.103ubuntu4.2
   initscripts 2.88dsf-41ubuntu6.1
   insserv 1.14.0-5ubuntu2
   iproute2 3.12.0-2
   isc-dhcp-client 4.2.4-7ubuntu12.1
   isc-dhcp-common 4.2.4-7ubuntu12.1
   klibc-utils 2.0.3-0ubuntu1
   kmod 15-0ubuntu6
   libacl1 2.2.52-1
   libapparmor1 2.8.95~2430-0ubuntu5.1
   libapt-inst1.5 1.0.1ubuntu2.6
   libapt-pkg4.12 1.0.1ubuntu2.6
   libasan0 4.8.2-19ubuntu1
   libatm1 1:2.5.1-1.5
   libatomic1 4.8.2-19ubuntu1
   libattr1 1:2.4.47-1ubuntu1
   libaudit-common 1:2.3.2-2ubuntu1
   libaudit1 1:2.3.2-2ubuntu1
   libblkid1 2.20.1-5.1ubuntu20.4
   libbz2-1.0 1.0.6-5
   libc-dev-bin 2.19-0ubuntu6.6
   libc6 2.19-0ubuntu6.6
   libc6-dev 2.19-0ubuntu6.6
   libcap2 1:2.24-0ubuntu2
   libcgmanager0 0.24-0ubuntu7.3
   libcloog-isl4 0.18.2-1
   libcomerr2 1.42.9-3ubuntu1.2
   libdb5.3 5.3.28-3ubuntu3
   libdbus-1-3 1.6.18-0ubuntu4.3
   libdebconfclient0 0.187ubuntu1
   libdrm2 2.4.56-1~ubuntu2
   libexpat1 2.1.0-4ubuntu1
   libfakeroot 1.20-3ubuntu2
   libgcc-4.8-dev 4.8.2-19ubuntu1
   libgcc1 1:4.9.1-0ubuntu1
   libgmp10 2:5.1.3+dfsg-1ubuntu1
   libgomp1 4.8.2-19ubuntu1
   libgpm2 1.20.4-6.1
   libisl10 0.12.2-1
   libitm1 4.8.2-19ubuntu1
   libjson-c2 0.11-3ubuntu1.2
   libjson0 0.11-3ubuntu1.2
   libklibc 2.0.3-0ubuntu1
   libkmod2 15-0ubuntu6
   liblocale-gettext-perl 1.05-7build3
   liblzma5 5.1.1alpha+20120614-2ubuntu2
   libmount1 2.20.1-5.1ubuntu20.4
   libmpc3 1.0.1-1ubuntu1
   libmpfr4 3.1.2-1
   libncurses5 5.9+20140118-1ubuntu1
   libncursesw5 5.9+20140118-1ubuntu1
   libnih-dbus1 1.0.3-4ubuntu25
   libnih1 1.0.3-4ubuntu25
   libpam-modules 1.1.8-1ubuntu2
   libpam-modules-bin 1.1.8-1ubuntu2
   libpam-runtime 1.1.8-1ubuntu2
   libpam-systemd 204-5ubuntu20.11
   libpam0g 1.1.8-1ubuntu2
   libpcre3 1:8.31-2ubuntu2
   libplymouth2 0.8.8-0ubuntu17.1
   libpng12-0 1.2.50-1ubuntu2
   libprocps3 1:3.3.9-1ubuntu2.2
   libquadmath0 4.8.2-19ubuntu1
   libselinux1 2.2.2-1ubuntu0.1
   libsemanage-common 2.2-1
   libsemanage1 2.2-1
   libsepol1 2.2-1ubuntu0.1
   libslang2 2.2.4-15ubuntu1
   libss2 1.42.9-3ubuntu1.2
   libstdc++6 4.8.2-19ubuntu1
   libsystemd-daemon0 204-5ubuntu20.11
   libsystemd-login0 204-5ubuntu20.11
   libtext-charwidth-perl 0.04-7build3
   libtext-iconv-perl 1.7-5build2
   libtext-wrapi18n-perl 0.06-7
   libtinfo5 5.9+20140118-1ubuntu1
   libtsan0 4.8.2-19ubuntu1
   libudev1 204-5ubuntu20.11
   libustr-1.0-1 1.0.4-3ubuntu2
   libuuid1 2.20.1-5.1ubuntu20.4
   libxtables10 1.4.21-1ubuntu1
   linux-libc-dev 3.13.0-49.83
   lsb-base 4.1+Debian11ubuntu6
   make 3.81-8.2ubuntu3
   makedev 2.3.1-93ubuntu1
   manpages 3.54-1ubuntu1
   manpages-dev 3.54-1ubuntu1
   module-init-tools 15-0ubuntu6
   mount 2.20.1-5.1ubuntu20.4
   mountall 2.53
   multiarch-support 2.19-0ubuntu6.6
   netbase 5.2
   passwd 1:4.1.5.1-1ubuntu9
   patch 2.7.1-4ubuntu2
   perl-base 5.18.2-2ubuntu1
   plymouth 0.8.8-0ubuntu17.1
   plymouth-theme-ubuntu-text 0.8.8-0ubuntu17.1
   procps 1:3.3.9-1ubuntu2.2
   psmisc 22.20-1ubuntu2
   sensible-utils 0.0.9
   systemd-services 204-5ubuntu20.11
   sysv-rc 2.88dsf-41ubuntu6.1
   sysvinit-utils 2.88dsf-41ubuntu6.1
   tar 1.27.1-1
   tzdata 2015b-0ubuntu0.14.04
   udev 204-5ubuntu20.11
   upstart 1.12.1-0ubuntu4.2
   util-linux 2.20.1-5.1ubuntu20.4
   uuid-runtime 2.20.1-5.1ubuntu20.4
   zlib1g 1:1.2.8.dfsg-1ubuntu1
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2012-11-29 (868 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  NonfreeKernelModules: wl nvidia
  Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu0.1
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=de_AT.UTF-8
   LANGUAGE=de_AT:de
   XDG_RUNTIME_DIR=<set>
  ProcVersionSignature: Ubuntu 3.13.0-49.83-generic 3.13.11-ckt17
  SourcePackage: bcmwl
  Tags:  trusty
  Uname: Linux 3.13.0-49-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2014-05-09 (342 days ago)
  _MarkForUpload: True

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