------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/net/mac80211/scan.c:265 ieee80211_scan_completed+0x1c7/0x1e0 [mac80211]()
Hardware name: 8932FDG
Modules linked in: nls_utf8 isofs nls_iso8859_1 nls_cp437 vfat fat usb_storage rfcomm binfmt_misc sco bnep l2cap parport_pc ppdev snd_hda_codec_conexant joydev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm arc4 thinkpad_acpi snd_seq_midi iwl3945 snd_rawmidi i915 snd_seq_midi_event snd_seq iwlcore drm_kms_helper btusb pcmcia mac80211 snd_timer snd_seq_device bluetooth drm r852 sm_common snd yenta_socket nand nand_ids nand_ecc psmouse pcmcia_rsrc i2c_algo_bit cfg80211 serio_raw pcmcia_core mtd nvram tpm_tis soundcore intel_agp tpm video snd_page_alloc tpm_bios output lp parport ahci firewire_ohci sdhci_pci sdhci tg3 libahci led_class firewire_core crc_itu_t
Pid: 722, comm: iwl3945 Tainted: G        W   2.6.35-21-generic #31-Ubuntu
Call Trace:
 [<ffffffff8106075f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff810607ba>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa0253b47>] ieee80211_scan_completed+0x1c7/0x1e0 [mac80211]
 [<ffffffffa02db32e>] iwl_bg_scan_completed+0xbe/0xc0 [iwlcore]
 [<ffffffffa02db270>] ? iwl_bg_scan_completed+0x0/0xc0 [iwlcore]
 [<ffffffff8107a745>] run_workqueue+0xc5/0x1a0
 [<ffffffff8107a8c3>] worker_thread+0xa3/0x110
 [<ffffffff8107f5f0>] ? autoremove_wake_function+0x0/0x40
 [<ffffffff8107a820>] ? worker_thread+0x0/0x110
 [<ffffffff8107f096>] kthread+0x96/0xa0
 [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10
 [<ffffffff8107f000>] ? kthread+0x0/0xa0
 [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10
---[ end trace 3dc67d0ad26471fb ]---