BUG: scheduling while atomic: dbus-daemon/1612/0x00090000
Modules linked in: lib80211_crypt_tkip wl(P) lib80211 binfmt_misc ppdev snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss joydev snd_pcm iptable_filter ip_tables x_tables bridge stp snd_seq_dummy bnep snd_seq_oss dell_wmi mac80211 uvcvideo videodev v4l1_compat compal_laptop dcdbas btusb snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device jmb38x_ms cfg80211 sdhci_pci psmouse serio_raw memstick snd sdhci led_class soundcore snd_page_alloc lp parport fbcon tileblit font bitblit softcursor i915 drm i2c_algo_bit r8169 mii video output intel_agp agpgart [last unloaded: ssb]
Pid: 1612, comm: dbus-daemon Tainted: P        W  2.6.31-14-generic #48-Ubuntu
Call Trace:
 [<c013802d>] __schedule_bug+0x5d/0x70
 [<c056ec87>] schedule+0x717/0x730
 [<c014b60f>] ? irq_exit+0x2f/0x70
 [<c010341a>] work_resched+0x5/0x20