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WARNING: at /build/buildd/linux-2.6.32/kernel/softirq.c:143 local_bh_enable_ip+0x7b/0xa0()
Hardware name: AO532h          
Modules linked in: cryptd aes_x86_64 aes_generic hidp hid binfmt_misc ppdev rfcomm sco bridge stp snd_hda_codec_realtek bnep l2cap fbcon tileblit font bitblit softcursor vga16fb vgastate snd_hda_intel snd_hda_codec snd_hwdep btusb bluetooth snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi joydev snd_rawmidi snd_seq_midi_event snd_seq arc4 snd_timer snd_seq_device ath9k i915 uvcvideo snd mac80211 ath psmouse drm_kms_helper acer_wmi videodev v4l1_compat v4l2_compat_ioctl32 cfg80211 soundcore serio_raw led_class intel_agp atl1c drm i2c_algo_bit video snd_page_alloc lp output parport ahci
Pid: 761, comm: wpa_supplicant Not tainted 2.6.32-20-generic #29-Ubuntu
Call Trace:
 [<ffffffff81066d0b>] warn_slowpath_common+0x7b/0xc0
 [<ffffffff81066d64>] warn_slowpath_null+0x14/0x20
 [<ffffffff8106de4b>] local_bh_enable_ip+0x7b/0xa0
 [<ffffffff81540fc9>] _spin_unlock_bh+0x19/0x20
 [<ffffffffa02259d5>] ath_tx_node_cleanup+0x185/0x1b0 [ath9k]
 [<ffffffff81080f2f>] ? queue_work+0x1f/0x30
 [<ffffffffa021fd77>] ath9k_sta_notify+0x57/0xb0 [ath9k]
 [<ffffffffa012789c>] __sta_info_unlink+0x15c/0x1f0 [mac80211]
 [<ffffffffa012796d>] sta_info_unlink+0x3d/0x60 [mac80211]
 [<ffffffffa012fe96>] ieee80211_set_disassoc+0x1b6/0x220 [mac80211]
 [<ffffffffa01301c1>] ieee80211_mgd_deauth+0x111/0x120 [mac80211]
 [<ffffffff81154920>] ? __pollwait+0x0/0xf0
 [<ffffffffa01357de>] ieee80211_deauth+0x1e/0x20 [mac80211]
 [<ffffffffa00c2f4e>] __cfg80211_mlme_deauth+0xee/0x130 [cfg80211]
 [<ffffffffa00c6709>] __cfg80211_disconnect+0x159/0x1d0 [cfg80211]
 [<ffffffff81058620>] ? finish_task_switch+0x50/0xe0
 [<ffffffffa00c9d24>] cfg80211_wext_siwmlme+0x94/0xb0 [cfg80211]
 [<ffffffff81520b7c>] ioctl_standard_iw_point+0x1cc/0x390
 [<ffffffffa00c9c90>] ? cfg80211_wext_siwmlme+0x0/0xb0 [cfg80211]
 [<ffffffff81520d40>] ? ioctl_standard_call+0x0/0xd0
 [<ffffffff81521120>] ? ioctl_private_call+0x0/0xa0
 [<ffffffff81520de1>] ioctl_standard_call+0xa1/0xd0
 [<ffffffff8145ee70>] ? __dev_get_by_name+0xa0/0xc0
 [<ffffffff81520d40>] ? ioctl_standard_call+0x0/0xd0
 [<ffffffff81520519>] wireless_process_ioctl+0xe9/0x170
 [<ffffffff81520d40>] ? ioctl_standard_call+0x0/0xd0
 [<ffffffff81520611>] wext_ioctl_dispatch+0x71/0xb0
 [<ffffffff81521120>] ? ioctl_private_call+0x0/0xa0
 [<ffffffff81520786>] wext_handle_ioctl+0x46/0x90
 [<ffffffff8101c88f>] ? save_i387_xstate+0x1cf/0x220
 [<ffffffff81460103>] dev_ioctl+0x423/0x430
 [<ffffffff8114288a>] ? do_sync_read+0xfa/0x140
 [<ffffffff8144a4fd>] sock_ioctl+0x9d/0x280
 [<ffffffff81152ad2>] vfs_ioctl+0x22/0xa0
 [<ffffffff81250bc6>] ? security_file_permission+0x16/0x20
 [<ffffffff81152d81>] do_vfs_ioctl+0x81/0x380
 [<ffffffff81143271>] ? vfs_read+0x181/0x1a0
 [<ffffffff81012e55>] ? sys_rt_sigreturn+0x235/0x260
 [<ffffffff81153101>] sys_ioctl+0x81/0xa0
 [<ffffffff810131b2>] system_call_fastpath+0x16/0x1b
---[ end trace 6af455c7dd50301f ]---