93938.038502] ------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/net/wireless/core.c:633 wdev_cleanup_work+0xa7/0xd0 [cfg80211]()
Hardware name: EX700
Modules linked in: ums_cypress usb_storage binfmt_misc rfcomm sco bnep l2cap vboxnetadp vboxnetflt vboxdrv parport_pc ppdev nvidia(P) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep arc4 snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event iwl3945 snd_seq iwlcore snd_timer snd_seq_device snd sbp2 ieee1394 mac80211 joydev video output soundcore snd_page_alloc intel_agp gspca_m5602 btusb cfg80211 agpgart bluetooth psmouse serio_raw gspca_main videodev v4l1_compat lp parport firewire_ohci sdhci_pci sdhci led_class firewire_core crc_itu_t r8169 mii
Pid: 663, comm: cfg80211 Tainted: P            2.6.35-22-generic #33-Ubuntu
Call Trace:
 [<c014ac52>] warn_slowpath_common+0x72/0xa0
 [<f8ccf027>] ? wdev_cleanup_work+0xa7/0xd0 [cfg80211]
 [<f8ccf027>] ? wdev_cleanup_work+0xa7/0xd0 [cfg80211]
 [<c014aca2>] warn_slowpath_null+0x22/0x30
 [<f8ccf027>] wdev_cleanup_work+0xa7/0xd0 [cfg80211]
 [<c0161a4e>] run_workqueue+0x8e/0x150
 [<f8ccef80>] ? wdev_cleanup_work+0x0/0xd0 [cfg80211]
 [<c0161b94>] worker_thread+0x84/0xe0
 [<c0165e10>] ? autoremove_wake_function+0x0/0x50
 [<c0161b10>] ? worker_thread+0x0/0xe0
 [<c01659e4>] kthread+0x74/0x80
 [<c0165970>] ? kthread+0x0/0x80
 [<c010363e>] kernel_thread_helper+0x6/0x10
---[ end trace dc445f4f69bc5d5b ]---