BUG: unable to handle kernel NULL pointer dereference at 0000009c
IP: [<c10363a8>] __ticket_spin_lock+0x8/0x30
*pdpt = 000000002da69001 *pde = 0000000000000000 
Oops: 0002 [#1] SMP 
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat usb_storage parport_pc ppdev vesafb rc_rc6_mce tpm_infineon bnep rfcomm binfmt_misc snd_hda_codec_si3054 snd_hda_codec_realtek joydev snd_hda_intel arc4 snd_hda_codec snd_hwdep ir_lirc_codec snd_pcm lirc_dev ir_mce_kbd_decoder ir_sony_decoder snd_seq_midi ir_jvc_decoder snd_rawmidi hid_logitech mspro_block ir_rc6_decoder ff_memless uvcvideo ir_rc5_decoder ir_nec_decoder videodev ite_cir psmouse nvidia(P) serio_raw rc_core video tpm_tis snd_seq_midi_event usbhid hid r852 sm_common nand snd_seq r592 iwl4965 nand_ids mtd nand_bch bch btusb asus_laptop nand_ecc memstick iwl_legacy sparse_keymap bluetooth input_polldev mac_hid mac80211 snd_timer snd_seq_device cfg80211 snd soundcore snd_page_alloc lp parport firewire_ohci sdhci_pci sdhci firewire_core crc_itu_t sky2

Pid: 2004, comm: gvfsd-trash Tainted: P           O 3.2.0-19-generic-pae #30-Ubuntu ASUSTeK Computer Inc.         M50SV               /M50SV     
EIP: 0060:[<c10363a8>] EFLAGS: 00010206 CPU: 0
EIP is at __ticket_spin_lock+0x8/0x30
EAX: 0000009c EBX: e1d63698 ECX: 00000001 EDX: 00000100
ESI: 0000009c EDI: e1d63730 EBP: eda87f1c ESP: eda87f1c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process gvfsd-trash (pid: 2004, ti=eda86000 task=ee7b9940 task.ti=eda86000)
Stack:
 eda87f24 c15a6bad eda87f34 f88769f9 e1d63698 f887a3c0 eda87f40 f8877066
 e1d63698 eda87f54 c115b12f e1d63698 e1d636e4 ee38dc00 eda87f68 c115b2b7
 e1d63698 f0d0f8d4 eda59d80 eda87f74 c115b3ce f0d0f8c0 eda87f94 c117c690
Call Trace:
 [<c15a6bad>] _raw_spin_lock+0xd/0x10
 [<f88769f9>] fat_detach+0x29/0x70 [fat]
 [<f8877066>] fat_evict_inode+0x56/0x60 [fat]
 [<c115b12f>] evict+0x8f/0x170
 [<c115b2b7>] iput_final+0xa7/0x190
 [<c115b3ce>] iput+0x2e/0x40
 [<c117c690>] fsnotify_destroy_mark+0x140/0x150
 [<c117e1ba>] sys_inotify_rm_watch+0x5a/0x90
 [<c15adf9f>] sysenter_do_call+0x12/0x28
Code: ff ff 90 b8 5d 62 03 c1 b9 5a 62 03 c1 e9 59 ff ff ff 90 b8 63 62 03 c1 b9 60 62 03 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: [<c10363a8>] __ticket_spin_lock+0x8/0x30 SS:ESP 0068:eda87f1c
CR2: 000000000000009c
---[ end trace de5ad968e39f6af8 ]---