BUG: unable to handle kernel NULL pointer dereference at 0000009c
IP: [<c1027178>] __ticket_spin_lock+0x8/0x30
*pde = 2e2e7067 *pte = 00000000 
Oops: 0002 [#1] SMP 
Modules linked in: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs nls_iso8859_1 nls_cp437 vfat fat ext2 parport_pc ppdev bnep bluetooth snd_hda_codec_realtek joydev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi uvcvideo psmouse snd_rawmidi videodev snd_seq_midi_event serio_raw snd_seq snd_timer snd_seq_device i915 snd soundcore snd_page_alloc drm_kms_helper drm i2c_algo_bit eeepc_laptop video sparse_keymap mac_hid binfmt_misc lp parport usbhid hid atl2 usb_storage

Pid: 1738, comm: gvfsd-trash Not tainted 3.2.0-18-generic #28-Ubuntu ASUSTeK Computer INC. 900/900
EIP: 0060:[<c1027178>] EFLAGS: 00010206 CPU: 0
EIP is at __ticket_spin_lock+0x8/0x30
EAX: 0000009c EBX: eebfe1e0 ECX: 00000001 EDX: 00000100
ESI: 0000009c EDI: eebfe278 EBP: ee2eff1c ESP: ee2eff1c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process gvfsd-trash (pid: 1738, ti=ee2ee000 task=ee08f1a0 task.ti=ee2ee000)
Stack:
 ee2eff24 c157574d ee2eff34 f83f29f9 eebfe1e0 f83f63c0 ee2eff40 f83f3066
 eebfe1e0 ee2eff54 c11493bf eebfe1e0 eebfe22c f1eba400 ee2eff68 c1149547
 eebfe1e0 ee2df154 ee2dbf00 ee2eff74 c114965e ee2df140 ee2eff94 c116a8b0
Call Trace:
 [<c157574d>] _raw_spin_lock+0xd/0x10
 [<f83f29f9>] fat_detach+0x29/0x70 [fat]
 [<f83f3066>] fat_evict_inode+0x56/0x60 [fat]
 [<c11493bf>] evict+0x8f/0x170
 [<c1149547>] iput_final+0xa7/0x190
 [<c114965e>] iput+0x2e/0x40
 [<c116a8b0>] fsnotify_destroy_mark+0x140/0x150
 [<c116c3da>] sys_inotify_rm_watch+0x5a/0x90
 [<c1575b24>] syscall_call+0x7/0xb
 [<c1570000>] ? add_new_disk+0x32f/0x45f
Code: ff ff 90 b8 2d 70 02 c1 b9 2a 70 02 c1 e9 59 ff ff ff 90 b8 33 70 02 c1 b9 30 70 02 c1 e9 49 ff ff ff 90 55 ba 00 01 00 00 89 e5 <3e> 66 0f c1 10 0f b6 ce 38 d1 74 0d 8d 74 26 00 f3 90 0f b6 10 
EIP: [<c1027178>] __ticket_spin_lock+0x8/0x30 SS:ESP 0068:ee2eff1c
CR2: 000000000000009c
---[ end trace 8c8fe7dfc0e2fc74 ]---