BUG: soft lockup - CPU#0 stuck for 67s! [swapper:0]
Modules linked in: cryptd aes_x86_64 aes_generic snd_usb_audio snd_usb_lib snd_hda_codec_realtek binfmt_misc arc4 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 joydev snd_seq_midi_event snd_seq snd_timer snd_seq_device gspca_zc3xx gspca_main ath5k ppdev videodev usb_storage hid_microsoft v4l1_compat mac80211 ath v4l2_compat_ioctl32 snd fbcon tileblit font bitblit softcursor amd64_edac_mod parport_pc nvidia(P) asus_atk0110 cfg80211 soundcore snd_page_alloc vga16fb vgastate led_class lp psmouse serio_raw edac_core edac_mce_amd shpchp i2c_viapro k8temp parport usbhid hid floppy pata_jmicron ahci
CPU 0:
Modules linked in: cryptd aes_x86_64 aes_generic snd_usb_audio snd_usb_lib snd_hda_codec_realtek binfmt_misc arc4 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 joydev snd_seq_midi_event snd_seq snd_timer snd_seq_device gspca_zc3xx gspca_main ath5k ppdev videodev usb_storage hid_microsoft v4l1_compat mac80211 ath v4l2_compat_ioctl32 snd fbcon tileblit font bitblit softcursor amd64_edac_mod parport_pc nvidia(P) asus_atk0110 cfg80211 soundcore snd_page_alloc vga16fb vgastate led_class lp psmouse serio_raw edac_core edac_mce_amd shpchp i2c_viapro k8temp parport usbhid hid floppy pata_jmicron ahci
Pid: 0, comm: swapper Tainted: P           2.6.32-19-generic #28-Ubuntu System Product Name
RIP: 0010:[<ffffffff81038acb>]  [<ffffffff81038acb>] native_safe_halt+0xb/0x10
RSP: 0018:ffffffff81789ea8  EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff81789ea8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81789ee4 RDI: 0000000000000000
RBP: ffffffff81013cae R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000001001407b7
R13: ffffffff81991600 R14: 00000001001407b9 R15: ffff880001c15b80
FS:  00007fb329da97a0(0000) GS:ffff880001c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007fda50cef000 CR3: 0000000068231000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 [<ffffffff815435e6>] ? notifier_call_chain+0x16/0x80
 [<ffffffff8101b6cd>] ? default_idle+0x3d/0x90
 [<ffffffff8101b783>] ? c1e_idle+0x63/0x120
 [<ffffffff81011e73>] ? cpu_idle+0xb3/0x110
 [<ffffffff8152bafb>] ? rest_init+0x6b/0x80
 [<ffffffff81847de5>] ? start_kernel+0x35c/0x365
 [<ffffffff8184733a>] ? x86_64_start_reservations+0x125/0x129
 [<ffffffff81847438>] ? x86_64_start_kernel+0xfa/0x109