BUG: unable to handle kernel NULL pointer dereference at 0000009c
IP: [<c102d838>] __ticket_spin_lock+0x8/0x20
*pde = 1bf13067 *pte = 00000000 
Oops: 0002 [#1] SMP 
last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/usb1/1-2/1-2.3/speed
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat ppp_deflate zlib_deflate bsd_comp ppp_async snd_hrtimer vesafb snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq binfmt_misc snd_timer ppdev snd_seq_device option usb_wwan snd usbserial pcmcia irda psmouse yenta_socket pcmcia_rsrc soundcore parport_pc serio_raw pcmcia_core video snd_page_alloc toshiba_acpi crc_ccitt shpchp sparse_keymap lp parport usbhid usb_storage hid uas e100 floppy

Pid: 1445, comm: nautilus Not tainted 2.6.38-8-generic #42-Ubuntu TOSHIBA SP4600/Portable PC
EIP: 0060:[<c102d838>] EFLAGS: 00210206 CPU: 0
EIP is at __ticket_spin_lock+0x8/0x20
EAX: 0000009c EBX: 0000009c ECX: 00000000 EDX: 00000100
ESI: d0ed61a0 EDI: dbf48b7c EBP: d42c5f24 ESP: d42c5f24
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process nautilus (pid: 1445, ti=d42c4000 task=d41d9940 task.ti=d42c4000)
Stack:
 d42c5f2c c15097cd d42c5f3c e0a2d3ad d0ed61d8 c1904940 d42c5f48 e0a2d449
 d0ed61d8 d42c5f54 c113cc9c d0ed61d8 d42c5f68 c113d744 d0ed61d8 dbf48b40
 dbf48b7c d42c5f74 c113d82d dd30b8c0 d42c5f94 c115a770 00000000 d0ed61d8
Call Trace:
 [<c15097cd>] _raw_spin_lock+0xd/0x10
 [<e0a2d3ad>] fat_detach+0x2d/0x70 [fat]
 [<e0a2d449>] fat_evict_inode+0x59/0x60 [fat]
 [<c113cc9c>] evict+0x1c/0xb0
 [<c113d744>] iput_final+0x124/0x1e0
 [<c113d82d>] iput+0x2d/0x40
 [<c115a770>] fsnotify_destroy_mark+0x140/0x160
 [<c115c20a>] sys_inotify_rm_watch+0x5a/0x90
 [<c1509bf4>] syscall_call+0x7/0xb
 [<c1500000>] ? print_cpu_info+0xe3/0x126
Code: b8 dd d6 02 c1 e9 59 ff ff ff 90 b9 e0 d6 02 c1 b8 e3 d6 02 c1 e9 49 ff ff ff 90 90 90 90 90 90 90 90 90 55 ba 00 01 00 00 89 e5 <3e> 66 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 5d c3 8d b4 26 00 
EIP: [<c102d838>] __ticket_spin_lock+0x8/0x20 SS:ESP 0068:d42c5f24
CR2: 000000000000009c
---[ end trace b876ce21e98bcfa1 ]---