BUG: scheduling while atomic: swapper/0/0x10010000
Modules linked in: binfmt_misc ppdev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi joydev iptable_filter snd_rawmidi snd_seq_midi_event lib80211_crypt_tkip ip_tables snd_seq snd_timer wl(P) snd_seq_device dell_wmi uvcvideo x_tables snd videodev dell_laptop lib80211 soundcore psmouse v4l1_compat v4l2_compat_ioctl32 serio_raw dcdbas lp snd_page_alloc parport fbcon tileblit font bitblit softcursor sky2 usb_storage i915 drm i2c_algo_bit intel_agp video output
CPU 1:
Modules linked in: binfmt_misc ppdev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi joydev iptable_filter snd_rawmidi snd_seq_midi_event lib80211_crypt_tkip ip_tables snd_seq snd_timer wl(P) snd_seq_device dell_wmi uvcvideo x_tables snd videodev dell_laptop lib80211 soundcore psmouse v4l1_compat v4l2_compat_ioctl32 serio_raw dcdbas lp snd_page_alloc parport fbcon tileblit font bitblit softcursor sky2 usb_storage i915 drm i2c_algo_bit intel_agp video output
Pid: 0, comm: swapper Tainted: P           2.6.31-14-generic #48-Ubuntu Inspiron 1545                   
RIP: 0010:[<ffffffff812d801c>]  [<ffffffff812d801c>] acpi_idle_enter_simple+0x10f/0x143
RSP: 0018:ffff8800ba2a7ea8  EFLAGS: 00000287
RAX: 00000000000103f0 RBX: ffff8800ba2a7ee8 RCX: 0000000000000000
RDX: ffff880001a1e000 RSI: 00000030f9b69f8c RDI: ffff880001a34240
RBP: ffffffff81012a0e R08: ffffffffff5a364c R09: ffff8800ba281018
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000772a
R13: ffff8800ba2a7e48 R14: ffffffff81082147 R15: ffff8800ba2a7e18
FS:  0000000000000000(0000) GS:ffff880001a1e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007f8c8cb75629 CR3: 000000009c53d000 CR4: 00000000000406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 [<ffffffff812d8015>] ? acpi_idle_enter_simple+0x108/0x143
 [<ffffffff813fe40b>] ? cpuidle_idle_call+0x9b/0xf0
 [<ffffffff81010e12>] ? cpu_idle+0xb2/0x100
 [<ffffffff815239f6>] ? start_secondary+0xa9/0xab