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[Doug Gale <doug16k@xxxxxxxxx>]

I have almost the same issues, except I run Metacity, so it's not
related to compiz, and in my case, the panic can happen at resume  but
it frequently happens when I (try to) restart or shutdown. It kernel
panics with either black screen or text mode, with flashing numlock.
Stack trace scrolls off the top, but the symbols clearly indicate it is
executing in the wl driver.

My NIC is similar:
02:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)

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Packages, which is subscribed to bcmwl in Ubuntu.
https://bugs.launchpad.net/bugs/1402857

Title:
  crashed to text only screen, kernel panic

Status in bcmwl package in Ubuntu:
  Triaged

Bug description:
  I wasn't running anything other than Firefox, which had just been
  sitting stationary for about 10 minutes and then the screen went to
  some text only page. I only remember seeing the words "Kernel panic"
  in some of the lines. It's done it twice so far today. I'm not the
  most...tech savvy...person, so I'm not really sure how to fix this?

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: compiz-core 1:0.9.12.0+15.04.20141120-0ubuntu3
  Uname: Linux 3.18.0-031800rc7-generic i686
  NonfreeKernelModules: wl
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: i386
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Mon Dec 15 17:56:49 2014
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  DkmsStatus:
   bcmwl, 6.30.223.248+bdcom, 3.16.0-28-generic, i686: installed
   bcmwl, 6.30.223.248+bdcom, 3.18.0-031800-generic, i686: installed
   bcmwl, 6.30.223.248+bdcom, 3.18.0-031800rc6-generic, i686: installed
   bcmwl, 6.30.223.248+bdcom, 3.18.0-031800rc7-generic, i686: installed
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] RS880M [Mobility Radeon HD 4225/4250] [1002:9712] (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:0479]
  InstallationDate: Installed on 2014-11-29 (16 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release i386 (20141022.1)
  MachineType: Dell Inc. Inspiron One 2305
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.18.0-031800rc7-generic root=UUID=36d9257f-32a5-484d-b8ae-58dd9cc622ee ro quiet splash vt.handoff=7
  SourcePackage: compiz
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0DPRF9
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 13
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd03/22/2011:svnDellInc.:pnInspironOne2305:pvrNotSpecified:rvnDellInc.:rn0DPRF9:rvrA00:cvnDellInc.:ct13:cvrNotSpecified:
  dmi.product.name: Inspiron One 2305
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12.0+15.04.20141120-0ubuntu3
  version.libdrm2: libdrm2 2.4.58-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.2.901-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.916+git20141119-1~exp1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Mon Dec 15 17:15:09 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.16.2.901-1ubuntu3
  xserver.video_driver: radeon

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