------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/net/wireless/scan.c:580 cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]()
Hardware name:  
Modules linked in: xt_limit xt_tcpudp ipt_LOG ipt_MASQUERADE xt_DSCP ipt_REJECT nf_conntrack_irc nf_conntrack_ftp xt_state aes_i586 aes_generic binfmt_misc iptable_nat nf_nat dm_crypt nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables x_tables snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq arc4 snd_timer ppdev lp zd1211rw parport_pc snd_seq_device parport uvcvideo shpchp psmouse serio_raw videodev mac80211 snd v4l1_compat soundcore cfg80211 snd_page_alloc nouveau ttm drm_kms_helper usbhid drm intel_agp hid e100 floppy i2c_algo_bit mii agpgart
Pid: 0, comm: swapper Not tainted 2.6.35-22-generic #33-Ubuntu
Call Trace:
 [<c014ac52>] warn_slowpath_common+0x72/0xa0
 [<e0874bb6>] ? cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]
 [<e0874bb6>] ? cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]
 [<c014aca2>] warn_slowpath_null+0x22/0x30
 [<e0874bb6>] cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]
 [<e0a41588>] ieee80211_bss_info_update+0x48/0x1c0 [mac80211]
 [<e0a41843>] ieee80211_scan_rx+0x123/0x190 [mac80211]
 [<e0a5282a>] ieee80211_invoke_rx_handlers+0x2da/0x380 [mac80211]
 [<e0a52a85>] __ieee80211_rx_handle_packet+0x1b5/0x3d0 [mac80211]
 [<e0a52d36>] ieee80211_rx+0x96/0x160 [mac80211]
 [<c04ec5c0>] ? skb_dequeue+0x50/0x70
 [<e0a3d56f>] ieee80211_tasklet_handler+0xef/0x110 [mac80211]
 [<c048fdea>] ? uhci_irq+0x7a/0x190
 [<c01505d7>] tasklet_action+0xa7/0xb0
 [<c015127c>] __do_softirq+0x9c/0x1b0
 [<c01a7f64>] ? irq_to_desc+0x14/0x20
 [<c0124fc4>] ? ack_apic_level+0x64/0x1f0
 [<c016c27d>] ? sched_clock_idle_wakeup_event+0x1d/0x30
 [<c01513d5>] do_softirq+0x45/0x50
 [<c0151545>] irq_exit+0x65/0x70
 [<c05cf665>] do_IRQ+0x55/0xc0
 [<c016a6c7>] ? hrtimer_start+0x27/0x30
 [<c0103630>] common_interrupt+0x30/0x38
 [<c012c21a>] ? native_safe_halt+0xa/0x10
 [<c010a2f9>] default_idle+0x49/0xb0
 [<c0101fcc>] cpu_idle+0x8c/0xd0
 [<c05b2431>] rest_init+0x71/0x80
 [<c081981a>] start_kernel+0x36e/0x374
 [<c08199dd>] ? pass_all_bootoptions+0x0/0xa
 [<c08190d7>] i386_start_kernel+0xd7/0xdf
---[ end trace f4e2e9de33384676 ]---