Panic report - need help

My mac book pro 13 (late 2011) had a lot of crashs this day.

Can someone please help me to find the failure?

Mac Os lion 10.7.3

Interval Since Last Panic Report: 149231 sec

Panics Since Last Report: 1

Anonymous UUID: E2A9D358-607C-4D84-964C-E72D593A7852

Wed Feb 15 19:58:09 2012

panic(cpu 2 caller 0xffffff80002c266d): Kernel trap at 0xffffff8000224654, type 14=page fault, registers:

CR0: 0x0000000080010033, CR2: 0x0000000000000001, CR3: 0x000000003266b036, CR4: 0x00000000000606e0

RAX: 0x0000000000000001, RBX: 0x0000000000000001, RCX: 0x0000000000ffffff, RDX: 0xffffff80008b3d40

RSP: 0xffffff80f132b9d0, RBP: 0xffffff80f132b9f0, RSI: 0x0000000000000001, RDI: 0x0000000008f401e9

R8: 0xffffff80008b3e08, R9: 0xffffff80008b3d40, R10: 0x0000000000001000, R11: 0xffffff80002d8200

R12: 0xffffff8013695fd8, R13: 0xffffff80149298b8, R14: 0x00000000000000c1, R15: 0xffffff8013695fd0

RFL: 0x0000000000010246, RIP: 0xffffff8000224654, CS: 0x0000000000000008, SS: 0x0000000000000000

CR2: 0x0000000000000001, Error code: 0x0000000000000002, Faulting CPU: 0x2

Backtrace (CPU 2), Frame : Return Address

0xffffff80f132b690 : 0xffffff8000220702

0xffffff80f132b710

System Profile:

Model: MacBookPro8,1, BootROM MBP81.0047.B24, 2 processors, Intel Core i5, 2.4 GHz, 8 GB, SMC 1.68f98

Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB

Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x8394, 0x393931363437202839393636343729000000

Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x8394, 0x393931363437202839393636343729000000

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.100.98.75.19)

Bluetooth: Version 4.0.3f12, 2 service, 11 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: MKNSSDCL240GB-DX2, 240,06 GB

Serial ATA Device: OPTIARC DVD RW AD-5970H

USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 3

USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfa100000 / 2

USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0253, 0xfa120000 / 5

USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 4

USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 8

USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2

USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3