BUG: unable to handle kernel NULL pointer dereference at 0000009c
IP: [<c10272b8>] __ticket_spin_lock+0x8/0x30
*pde = 7e9e9067 
Oops: 0002 [#1] SMP 
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat cdc_acm usb_storage acpi_call(O) bnep rfcomm parport_pc ppdev binfmt_misc joydev nvidia(P) wl(P) lib80211 bcma arc4 snd_hda_codec_hdmi snd_hda_codec_realtek mxm_wmi eeepc_wmi asus_wmi sparse_keymap uvcvideo videodev btusb bluetooth snd_hda_intel snd_hda_codec snd_seq_midi snd_hwdep snd_pcm snd_rawmidi snd_seq_midi_event brcmsmac snd_seq mac80211 psmouse serio_raw i915 snd_timer snd_seq_device brcmutil cfg80211 snd drm_kms_helper drm soundcore snd_page_alloc crc8 cordic i2c_algo_bit wmi video mac_hid coretemp lp parport atl1c

Pid: 2145, comm: gvfsd-trash Tainted: P           O 3.2.0-20-generic #32-Ubuntu ASUSTeK Computer INC. 1015PN/1015PN
EIP: 0060:[<c10272b8>] EFLAGS: 00210206 CPU: 2
EIP is at __ticket_spin_lock+0x8/0x30
EAX: 0000009c EBX: d4f221e0 ECX: 00000000 EDX: 00000100
ESI: 0000009c EDI: d4f22278 EBP: c7f69f1c ESP: c7f69f1c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process gvfsd-trash (pid: 2145, ti=c7f68000 task=c7ec25e0 task.ti=c7f68000)
Stack:
 c7f69f24 c15763cd c7f69f34 f84d19f9 d4f221e0 f84d53c0 c7f69f40 f84d2066
 d4f221e0 c7f69f54 c1149bdf d4f221e0 d4f2222c cad82000 c7f69f68 c1149d67
 d4f221e0 e321af14 c7dee0c0 c7f69f74 c1149e7e e321af00 c7f69f94 c116b110
Call Trace:
 [<c15763cd>] _raw_spin_lock+0xd/0x10
 [<f84d19f9>] fat_detach+0x29/0x70 [fat]
 [<f84d2066>] fat_evict_inode+0x56/0x60 [fat]
 [<c1149bdf>] evict+0x8f/0x170
 [<c1149d67>] iput_final+0xa7/0x190
 [<c1149e7e>] iput+0x2e/0x40
 [<c116b110>] fsnotify_destroy_mark+0x140/0x150
 [<c116cc3a>] sys_inotify_rm_watch+0x5a/0x90
 [<c15767a4>] syscall_call+0x7/0xb
 [<c1570000>] ? input_proc_exit+0x26/0x36
Code: ff ff 90 b8 6d 71 02 c1 b9 6a 71 02 c1 e9 59 ff ff ff 90 b8 73 71 02 c1 b9 70 71 02 c1 e9 49 ff ff ff 90 55 ba 00 01 00 00 89 e5 <f0> 66 0f c1 10 0f b6 ce 38 d1 74 0d 8d 74 26 00 f3 90 0f b6 10 
EIP: [<c10272b8>] __ticket_spin_lock+0x8/0x30 SS:ESP 0068:c7f69f1c
CR2: 000000000000009c
sdb: detected capacity change from 2001665536 to 0
---[ end trace d714ad06fd05aa70 ]---