BUG: scheduling while atomic: swapper/0/0x10010000
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat binfmt_misc ppdev dm_crypt snd_hda_codec_realtek snd_hda_intel joydev snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq dell_wmi snd_timer snd_seq_device dell_laptop dcdbas lib80211_crypt_tkip psmouse snd soundcore serio_raw wl(P) lib80211 snd_page_alloc lp parport dm_raid45 xor fbcon tileblit font bitblit softcursor vga16fb vgastate i915 drm_kms_helper intel_agp drm i2c_algo_bit usb_storage video ahci output agpgart tg3

Pid: 0, comm: swapper Tainted: P           (2.6.32-20-generic #30-Ubuntu) Latitude 2100                   
EIP: 0060:[<c039cb4d>] EFLAGS: 00000282 CPU: 1
EIP is at acpi_idle_enter_bm+0x26b/0x29a
EAX: c0841e6c EBX: 00002af7 ECX: 00000540 EDX: 019c2000
ESI: 00000000 EDI: f71774c0 EBP: f709df78 ESP: f709df50
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
CR0: 8005003b CR2: b35ba000 CR3: 0084c000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
Call Trace:
 [<c04a074a>] cpuidle_idle_call+0x7a/0x100
 [<c01021d4>] cpu_idle+0x94/0xd0
 [<c058691f>] start_secondary+0xc6/0xc8