------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/net/mac80211/scan.c:265 ieee80211_scan_completed+0x1c7/0x1e0 [mac80211]()
Hardware name: 6371CTO
Modules linked in: isofs udf crc_itu_t btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs reiserfs des_generic binfmt_misc rfcomm sco bnep l2cap usblp rpcsec_gss_krb5 nfsd exportfs nfs lockd joydev fscache nfs_acl auth_rpcgss snd_hda_codec_analog snd_hda_intel arc4 snd_hda_codec thinkpad_acpi snd_hwdep snd_pcm pcmcia snd_seq_midi sunrpc snd_rawmidi iwl3945 snd_seq_midi_event snd_seq iwlcore snd_timer mac80211 snd_seq_device btusb nsc_ircc tpm_tis yenta_socket bluetooth snd irda cfg80211 pcmcia_rsrc tpm nvram tpm_bios pcmcia_core crc_ccitt led_class psmouse soundcore snd_page_alloc lp serio_raw parport sha256_generic cryptd aes_x86_64 aes_generic dm_crypt i915 drm_kms_helper ahci libahci drm i2c_algo_bit video e1000e intel_agp output
Pid: 893, comm: iwl3945 Tainted: G        W   2.6.35-20-generic #29-Ubuntu
Call Trace:
 [<ffffffff8106075f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff810607ba>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa0296b47>] ieee80211_scan_completed+0x1c7/0x1e0 [mac80211]
 [<ffffffffa030432e>] iwl_bg_scan_completed+0xbe/0xc0 [iwlcore]
 [<ffffffffa0304270>] ? 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 9b162186e9c2fece ]---