------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.28/net/mac80211/rx.c:2201 __ieee80211_rx+0xf1/0x1f0 [mac80211]()
Modules linked in: uvesafb rfkill_input binfmt_misc radeon drm ppdev lp parport xfrm_user xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 ip6table_filter ip6_tables iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_TTL ipt_ttl ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_LOG ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah ipt_addrtype nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG xt_multiport xt_MARK xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_CONNMARK xt_connmark xt_CLASSIFY xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish des_generic cbc aes_x86_64 aes_generic xcbc rmd160 sha256_generic sha1_generic crypto_null af_key dm_crypt vboxdrv sbp2 snd_hda_intel arc4 snd_pcm_oss ecb snd_mixer_oss joydev snd_pcm b43 snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi mac80211 snd_seq_midi_event snd_seq cfg80211 ricoh_mmc sdhci_pci sdhci psmouse snd_timer snd_seq_device led_class video i2c_piix4 shpchp k8temp serio_raw pcspkr dcdbas snd soundcore snd_page_alloc btusb input_polldev output ohci1394 b44 mii ieee1394 usbhid ssb fbcon tileblit font bitblit softcursor [last unloaded: uvesafb]
Pid: 0, comm: swapper Tainted: P           2.6.28-11-generic #42-Ubuntu
Call Trace:
 <IRQ>  [<ffffffff802509bf>] warn_on_slowpath+0x5f/0x90
 [<ffffffffa0213164>] ? dma_rx+0x1c4/0x2a0 [b43]
 [<ffffffffa0038693>] ? ssb_pci_write32+0x33/0x60 [ssb]
 [<ffffffffa01ae6c1>] __ieee80211_rx+0xf1/0x1f0 [mac80211]
 [<ffffffffa019b66e>] ieee80211_tasklet_handler+0x12e/0x160 [mac80211]
 [<ffffffff802563b6>] tasklet_action+0x86/0x110
 [<ffffffff80256acc>] __do_softirq+0x9c/0x170
 [<ffffffff80213d8c>] call_softirq+0x1c/0x30
 [<ffffffff80214ffd>] do_softirq+0x5d/0xa0
 [<ffffffff8025684d>] irq_exit+0x8d/0xa0
 [<ffffffff802152c5>] do_IRQ+0xc5/0x110
 [<ffffffff80212bf3>] ret_from_intr+0x0/0x29
 <EOI>  [<ffffffff8022e856>] ? native_safe_halt+0x6/0x10
 [<ffffffff802735cd>] ? clockevents_notify+0x3d/0x90
 [<ffffffff8021a9fd>] ? default_idle+0x4d/0x50
 [<ffffffff8021aa8a>] ? c1e_idle+0x8a/0x130
 [<ffffffff806a18a5>] ? atomic_notifier_call_chain+0x15/0x20
 [<ffffffff80210e85>] ? cpu_idle+0x65/0xc0
 [<ffffffff80698f23>] ? start_secondary+0x9e/0xcb
---[ end trace 38052d0e3956edc7 ]---