------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/net/wireless/scan.c:580 cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]()
Hardware name: Aspire 1350
Modules linked in: snd_via82xx radeon gameport snd_via82xx_modem snd_ac97_codec ac97_bus arc4 snd_pcm snd_mpu401_uart snd_seq_midi joydev ttm snd_rawmidi rtl8180 drm_kms_helper snd_seq_midi_event mac80211 snd_seq i2c_viapro drm ppdev snd_timer pcmcia eeprom_93cx6 via_ircc snd_seq_device video irda parport_pc via_agp i2c_algo_bit yenta_socket psmouse snd cfg80211 output pcmcia_rsrc snd_page_alloc pcmcia_core shpchp serio_raw crc_ccitt soundcore agpgart lp parport usbhid floppy firewire_ohci pata_via via_rhine firewire_core mii crc_itu_t hid
Pid: 1706, comm: update-manager Tainted: G        W   2.6.35-22-generic #33-Ubuntu
Call Trace:
 [<c014ac52>] warn_slowpath_common+0x72/0xa0
 [<f81d3bb6>] ? cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]
 [<f81d3bb6>] ? cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]
 [<c014aca2>] warn_slowpath_null+0x22/0x30
 [<f81d3bb6>] cfg80211_inform_bss_frame+0x166/0x170 [cfg80211]
 [<c04e9824>] ? sock_alloc_send_pskb+0x164/0x290
 [<f8533588>] ieee80211_bss_info_update+0x48/0x1c0 [mac80211]
 [<f8533843>] ieee80211_scan_rx+0x123/0x190 [mac80211]
 [<f854482a>] ieee80211_invoke_rx_handlers+0x2da/0x380 [mac80211]
 [<f8544a85>] __ieee80211_rx_handle_packet+0x1b5/0x3d0 [mac80211]
 [<f8544d36>] ieee80211_rx+0x96/0x160 [mac80211]
 [<c04ec5c0>] ? skb_dequeue+0x50/0x70
 [<f852f56f>] ieee80211_tasklet_handler+0xef/0x110 [mac80211]
 [<c01505d7>] tasklet_action+0xa7/0xb0
 [<c015127c>] __do_softirq+0x9c/0x1b0
 [<c012ce18>] ? default_spin_lock_flags+0x8/0x10
 [<c05c8b9f>] ? _raw_spin_lock_irqsave+0x2f/0x50
 [<c01513d5>] do_softirq+0x45/0x50
 [<c0151545>] irq_exit+0x65/0x70
 [<c05cf665>] do_IRQ+0x55/0xc0
 [<c02195c6>] ? sys_writev+0x96/0xa0
 [<c0103630>] common_interrupt+0x30/0x38
---[ end trace 948a5fd53cc4e0a0 ]---