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[Andre Bogus <1406985@xxxxxxxxxxxxxxxxxx>]

Could be related to https://aur.archlinux.org/packages/broadcom-wl/

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https://bugs.launchpad.net/bugs/1406985

Title:
  14e4:4357[Acer Aspire 5734Z] bcmwl wireless disconnects and kernel
  crashes

Status in bcmwl package in Ubuntu:
  Incomplete

Bug description:
  
  uname -a:
  Linux alan-pc 3.16.0-29-generic #39-Ubuntu SMP Mon Dec 15 22:28:14 UTC 2014 i686 i686 i686 GNU/Linu

  Broadcom Corporation BCM43225 802.11b/g/n [14e4:4357] (rev 01)

  [ 7820.940294] ------------[ cut here ]------------
  [ 7820.940354] WARNING: CPU: 0 PID: 501 at /build/buildd/linux-3.16.0/net/wireless/sme.c:791 cfg80211_roamed+0x7f/0x90 [cfg80211]()
  [ 7820.940357] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep rfcomm bluetooth 6lowpan_iphc wl(POE) uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media snd_hda_codec_realtek snd_hda_codec_generic coretemp snd_hda_intel snd_hda_controller serio_raw snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd i915 cfg80211 lpc_ich drm_kms_helper soundcore drm shpchp i2c_algo_bit joydev acer_wmi ene_ir sparse_keymap mxm_wmi rc_core parport_pc wmi mac_hid video ppdev lp parport hid_generic usbhid hid ahci psmouse libahci atl1c
  [ 7820.940406] CPU: 0 PID: 501 Comm: wl_event_handle Tainted: P        W  OE 3.16.0-29-generic #39-Ubuntu
  [ 7820.940408] Hardware name: Acer             Aspire 5734Z    /Aspire 5734Z    , BIOS V1.06 04/25/2011
  [ 7820.940411]  00000000 00000000 ee91deb0 c16be44e 00000000 ee91dee4 c105eec2 c18b35a4
  [ 7820.940416]  00000000 000001f5 f8b350a4 00000317 f8b16cbf 00000317 f8b16cbf f01a8000
  [ 7820.940421]  f078d800 f078d800 ee91def4 c105ef82 00000009 00000000 ee91df14 f8b16cbf
  [ 7820.940428] Call Trace:
  [ 7820.940441]  [<c16be44e>] dump_stack+0x41/0x52
  [ 7820.940447]  [<c105eec2>] warn_slowpath_common+0x82/0xa0
  [ 7820.940464]  [<f8b16cbf>] ? cfg80211_roamed+0x7f/0x90 [cfg80211]
  [ 7820.940478]  [<f8b16cbf>] ? cfg80211_roamed+0x7f/0x90 [cfg80211]
  [ 7820.940482]  [<c105ef82>] warn_slowpath_null+0x22/0x30
  [ 7820.940496]  [<f8b16cbf>] cfg80211_roamed+0x7f/0x90 [cfg80211]
  [ 7820.940573]  [<f9872a76>] wl_notify_roaming_status+0xb6/0x130 [wl]
  [ 7820.940605]  [<f98729c0>] ? wl_update_bss_info+0x2a0/0x2a0 [wl]
  [ 7820.940638]  [<f986fc4f>] wl_event_handler+0x5f/0x240 [wl]
  [ 7820.940670]  [<f986fbf0>] ? wl_free_wdev.isra.23+0x80/0x80 [wl]
  [ 7820.940676]  [<c107f568>] kthread+0xa8/0xc0
  [ 7820.940683]  [<c16c5081>] ret_from_kernel_thread+0x21/0x30
  [ 7820.940686]  [<c107f4c0>] ? kthread_create_on_node+0x150/0x150
  [ 7820.940688] ---[ end trace ff6869c44ffe623e ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.16.0-29-generic 3.16.0-29.39
  ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
  Uname: Linux 3.16.0-29-generic i686
  NonfreeKernelModules: wl
  ApportVersion: 2.15.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alan       2240 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Jan  1 18:37:10 2015
  HibernationDevice: RESUME=UUID=7d92f25e-0615-44db-9f1e-e8b07f1672d6
  InstallationDate: Installed on 2014-11-28 (34 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  MachineType: Acer Aspire 5734Z
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-29-generic root=UUID=89a00a55-eacf-40cf-a8b1-9b61da1f893a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-29-generic N/A
   linux-backports-modules-3.16.0-29-generic  N/A
   linux-firmware                             1.140
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/25/2011
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.06
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Aspire 5734Z
  dmi.board.vendor: Acer
  dmi.board.version: V1.06
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.06
  dmi.modalias: dmi:bvnAcer:bvrV1.06:bd04/25/2011:svnAcer:pnAspire5734Z:pvrV1.06:rvnAcer:rnAspire5734Z:rvrV1.06:cvnAcer:ct10:cvrV1.06:
  dmi.product.name: Aspire 5734Z
  dmi.product.version: V1.06
  dmi.sys.vendor: Acer

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