------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.38/net/wireless/mlme.c:307 __cfg80211_auth_remove+0x60/0xb0 [cfg80211]()
Hardware name: VGN-NR320AH
Modules linked in: usbhid hid binfmt_misc vboxnetadp vboxnetflt vboxdrv parport_pc ppdev snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event i915 arc4 snd_seq snd_timer snd_seq_device snd joydev drm_kms_helper pcmcia ath5k ath soundcore drm mac80211 cfg80211 tifm_7xx1 snd_page_alloc psmouse yenta_socket pcmcia_rsrc serio_raw tifm_core i2c_algo_bit lp sony_laptop pcmcia_core video parport ahci firewire_ohci firewire_core libahci sky2 crc_itu_t
Pid: 11209, comm: kworker/u:1 Not tainted 2.6.38-8-generic #42-Ubuntu
Call Trace:
 [<c104f912>] ? warn_slowpath_common+0x72/0xa0
 [<f8498210>] ? __cfg80211_auth_remove+0x60/0xb0 [cfg80211]
 [<f8498210>] ? __cfg80211_auth_remove+0x60/0xb0 [cfg80211]
 [<c104f962>] ? warn_slowpath_null+0x22/0x30
 [<f8498210>] ? __cfg80211_auth_remove+0x60/0xb0 [cfg80211]
 [<f84982de>] ? cfg80211_send_auth_timeout+0x5e/0xc0 [cfg80211]
 [<f8503e7f>] ? ieee80211_hw_config+0xcf/0x130 [mac80211]
 [<f850d8f9>] ? ieee80211_probe_auth_done+0x89/0x90 [mac80211]
 [<f8510acb>] ? ieee80211_work_work+0x16b/0x5e0 [mac80211]
 [<c10688ae>] ? process_one_work+0xfe/0x360
 [<c1067d0a>] ? maybe_create_worker+0xda/0xe0
 [<f8510960>] ? ieee80211_work_work+0x0/0x5e0 [mac80211]
 [<c1068e34>] ? worker_thread+0x124/0x2d0
 [<c1068d10>] ? worker_thread+0x0/0x2d0
 [<c106ce04>] ? kthread+0x74/0x80
 [<c106cd90>] ? kthread+0x0/0x80
 [<c100367e>] ? kernel_thread_helper+0x6/0x10
---[ end trace 9ff57d840a2f4183 ]---