BUG: scheduling while atomic: swapper/0/0x10010000
Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt usbserial binfmt_misc b44 ssb mii lib80211_crypt_tkip snd_hda_codec_idt wl(P) 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 snd_rawmidi snd_seq_midi_event snd_seq joydev snd_timer dell_wmi snd_seq_device lib80211 dell_laptop snd sdhci_pci psmouse sdhci amd64_edac_mod serio_raw edac_core led_class lp dcdbas ricoh_mmc iptable_filter k8temp i2c_piix4 shpchp parport ip_tables soundcore x_tables snd_page_alloc reiserfs dm_raid45 xor usbhid radeon ttm drm i2c_algo_bit video output
CPU 1:
Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt usbserial binfmt_misc b44 ssb mii lib80211_crypt_tkip snd_hda_codec_idt wl(P) 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 snd_rawmidi snd_seq_midi_event snd_seq joydev snd_timer dell_wmi snd_seq_device lib80211 dell_laptop snd sdhci_pci psmouse sdhci amd64_edac_mod serio_raw edac_core led_class lp dcdbas ricoh_mmc iptable_filter k8temp i2c_piix4 shpchp parport ip_tables soundcore x_tables snd_page_alloc reiserfs dm_raid45 xor usbhid radeon ttm drm i2c_algo_bit video output
Pid: 0, comm: swapper Tainted: P           2.6.31-14-generic #48-Ubuntu Inspiron 1501 
RIP: 0010:[<ffffffff810356f6>]  [<ffffffff810356f6>] native_safe_halt+0x6/0x10
RSP: 0018:ffff88007599fe98  EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88007599fe98 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000082 RDI: 0000000000000082
RBP: ffffffff81012a0e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88007599fef4
R13: 0000000000000004 R14: ffffffff8108650f R15: ffff88007599fe18
FS:  00007f30f7b7f6f0(0000) GS:ffff880001a12000(0000) knlGS:00000000f702ba50
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007f6398ce8000 CR3: 000000005f24c000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 [<ffffffff8101a27c>] ? default_idle+0x4c/0xe0
 [<ffffffff810854f9>] ? clockevents_notify+0x49/0xa0
 [<ffffffff8101a3aa>] ? c1e_idle+0x9a/0x120
 [<ffffffff81010e12>] ? cpu_idle+0xb2/0x100
 [<ffffffff815239f6>] ? start_secondary+0xa9/0xab