general protection fault: 0000 [#2] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host2/target2:0:0/2:0:0:0/block/sda/sda6/stat
CPU 0 
Modules linked in: usbhid ppp_deflate zlib_deflate bsd_comp ppp_async option usbserial usb_storage binfmt_misc ppdev bridge stp bnep dm_crypt arc4 ecb iptable_filter iwlagn iwlcore snd_hda_codec_si3054 ip_tables btusb x_tables joydev mac80211 snd_hda_codec_realtek irda asus_laptop crc_ccitt uvcvideo videodev v4l1_compat lp snd_hda_intel snd_hda_codec 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 snd_timer snd_seq_device ricoh_mmc sdhci_pci sdhci parport led_class v4l2_compat_ioctl32 psmouse serio_raw snd soundcore snd_page_alloc cfg80211 nvidia(P) ohci1394 ieee1394 r8169 mii intel_agp video output
Pid: 2122, comm: nautilus Tainted: P      D    2.6.31-11-generic #36-Ubuntu A8Sc                
RIP: 0010:[<ffffffff81032389>]  [<ffffffff81032389>] __ticket_spin_lock+0x9/0x20
RSP: 0018:ffff88006f0f7dc8  EFLAGS: 00010282
RAX: 0000000000000100 RBX: feff880072af7748 RCX: 0100000000000081
RDX: 00007f97c9e3c000 RSI: ffffea0001674f80 RDI: feff880072af7748
RBP: ffff88006f0f7dc8 R08: 00007f97c9e3c000 R09: 00000000ffffffff
R10: 0000000000000001 R11: 0000000000000001 R12: ffff880067323a50
R13: ffff88006682f840 R14: feff880072af7708 R15: 00007f97bc908000
FS:  0000000000000000(0000) GS:ffff8800019cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97ad7fc010 CR3: 0000000001001000 CR4: 00000000000006b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process nautilus (pid: 2122, threadinfo ffff88006f0f6000, task ffff8800728b2d60)
Stack:
 ffff88006f0f7dd8 ffffffff815235a9 ffff88006f0f7e08 ffffffff810f60ed
<0> ffff8800707ba4d0 0000000000000000 ffff8800019d96e0 0000000000000000
<0> ffff88006f0f7e58 ffffffff810f0692 ffff880067323630 ffff880067323a50
Call Trace:
 [<ffffffff815235a9>] _spin_lock+0x9/0x10
 [<ffffffff810f60ed>] unlink_file_vma+0x3d/0x70
 [<ffffffff810f0692>] free_pgtables+0x92/0x110
 [<ffffffff810f6e4c>] exit_mmap+0xdc/0x190
 [<ffffffff810576f8>] mmput+0x38/0xd0
 [<ffffffff8105c72e>] exit_mm+0x10e/0x150
 [<ffffffff815234f0>] ? _spin_lock_irq+0x10/0x20
 [<ffffffff8105c9d5>] do_exit+0x125/0x370
 [<ffffffff8105cc69>] do_group_exit+0x49/0xc0
 [<ffffffff8105ccf2>] sys_exit_group+0x12/0x20
 [<ffffffff81011fc2>] system_call_fastpath+0x16/0x1b
Code: 00 00 48 c7 c2 8e 21 03 81 48 c7 c1 91 21 03 81 e9 dd fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 55 b8 00 01 00 00 48 89 e5 <f0> 66 0f c1 07 38 e0 74 06 f3 90 8a 07 eb f6 c9 c3 66 0f 1f 44 
RIP  [<ffffffff81032389>] __ticket_spin_lock+0x9/0x20
 RSP <ffff88006f0f7dc8>
---[ end trace c6df567d897c6b3e ]---