[   20.120749] wlan0: authenticate with b0:48:7a:d5:53:de
[   20.126556] wlan0: send auth to b0:48:7a:d5:53:de (try 1/3)
[   20.129326] wlan0: authenticated
[   20.132049] wlan0: associate with b0:48:7a:d5:53:de (try 1/3)
[   20.134792] wlan0: RX AssocResp from b0:48:7a:d5:53:de (capab=0x431 status=0 aid=1)
[   20.135402] brcmsmac bcma0:0: brcmsmac: brcms_ops_bss_info_changed: associated
[   20.135406] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 0 (implement)
[   20.135409] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: true (implement)
[   20.135419] wlan0: associated
[   20.135451] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   20.135518] cfg80211: Calling CRDA for country: US
[   20.140454] cfg80211: Regulatory domain changed to country: US
[   20.140458] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[   20.140461] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
[   20.140463] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)
[   20.140465] cfg80211:   (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   20.140467] cfg80211:   (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   20.140469] cfg80211:   (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   20.140471] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)
[   21.420180] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 1 (implement)
[   22.024519] init: plymouth-stop pre-start process (1522) terminated with status 1
[  334.424053] ------------[ cut here ]------------
[  334.424076] WARNING: at /build/buildd/linux-3.8.0/drivers/net/wireless/brcm80211/brcmsmac/main.c:7539 brcms_c_wait_for_tx_completion+0xab/0xc0 [brcmsmac]()
[  334.424078] Hardware name: RV410/RV510/S3510/E3510     
[  334.424079] Modules linked in: joydev(F) coretemp arc4(F) brcmsmac cordic(F) brcmutil mac80211 cfg80211 samsung_laptop snd_hda_codec_realtek microcode(F) snd_hda_intel snd_hda_codec snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) psmouse(F) btusb serio_raw(F) snd_seq_midi(F) radeon snd_seq_midi_event(F) uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core ttm drm_kms_helper videodev snd_rawmidi(F) snd_seq(F) drm snd_seq_device(F) video(F) snd_timer(F) i2c_algo_bit lpc_ich snd(F) rfcomm bnep bcma bluetooth parport_pc(F) mac_hid ppdev(F) soundcore(F) lp(F) parport(F) binfmt_misc(F) sky2
[  334.424120] Pid: 59, comm: kworker/u:5 Tainted: GF            3.8.0-1-generic #5-Ubuntu
[  334.424122] Call Trace:
[  334.424129]  [<ffffffff8105878f>] warn_slowpath_common+0x7f/0xc0
[  334.424131]  [<ffffffff810587ea>] warn_slowpath_null+0x1a/0x20
[  334.424140]  [<ffffffffa04aebcb>] brcms_c_wait_for_tx_completion+0xab/0xc0 [brcmsmac]
[  334.424147]  [<ffffffffa04a089b>] brcms_ops_flush+0x3b/0x60 [brcmsmac]
[  334.424169]  [<ffffffffa0416ba5>] ieee80211_scan_work+0x1a5/0x5c0 [mac80211]
[  334.424174]  [<ffffffff8101358e>] ? __switch_to+0x13e/0x4a0
[  334.424178]  [<ffffffff816c73be>] ? _raw_spin_lock+0xe/0x20
[  334.424182]  [<ffffffff810765ae>] process_one_work+0x13e/0x4e0
[  334.424194]  [<ffffffffa0416a00>] ? ieee80211_run_deferred_scan+0x80/0x80 [mac80211]
[  334.424197]  [<ffffffff81077e6e>] worker_thread+0x16e/0x480
[  334.424200]  [<ffffffff81077d00>] ? manage_workers+0x2a0/0x2a0
[  334.424202]  [<ffffffff8107d1a0>] kthread+0xc0/0xd0
[  334.424205]  [<ffffffff8107d0e0>] ? kthread_create_on_node+0x120/0x120
[  334.424208]  [<ffffffff816cfc6c>] ret_from_fork+0x7c/0xb0
[  334.424211]  [<ffffffff8107d0e0>] ? kthread_create_on_node+0x120/0x120
[  334.424213] ---[ end trace 5dd8f8999e06d5d8 ]---