MacBook Pro NVRam Panic?

Happens in random situations, not sure what is causing it. Goes straight to a black screen. Automatic graphics switching turned off.

Any pointers would be great, here's the trace!

Interval Since Last Panic Report: 135194 sec

Panics Since Last Report: 2

Anonymous UUID: A68D1BB9-9BF5-4733-B6EC-FA5149301E5D

Wed Nov 9 21:26:42 2011

panic(cpu 2 caller 0xffffff7f8091500b): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0xffffff80a06d5000 0x0a5480a2, D0, P3/4

Backtrace (CPU 2), Frame : Return Address

0xffffff807c992e70 : 0xffffff8000220702

0xffffff807c992ef0 : 0xffffff7f8091500b

0xffffff807c992f80 : 0xffffff7f80a05120

0xffffff807c992fd0 : 0xffffff7f80a051e0

0xffffff807c993030 : 0xffffff7f80cb1749

0xffffff807c993170 : 0xffffff7f80a24269

0xffffff807c9931a0 : 0xffffff7f8091e96e

0xffffff807c993250 : 0xffffff7f8091a270

0xffffff807c993440 : 0xffffff7f8091b543

0xffffff807c993500 : 0xffffff7f817db32a

0xffffff807c993610 : 0xffffff7f817db857

0xffffff807c993630 : 0xffffff7f817a148c

0xffffff807c993640 : 0xffffff7f817dae5b

0xffffff807c993650 : 0xffffff7f817a0abe

0xffffff807c993660 : 0xffffff7f817db836

0xffffff807c993680 : 0xffffff7f817a5214

0xffffff807c9936c0 : 0xffffff7f817a2023

0xffffff807c9936f0 : 0xffffff7f8180ac46

0xffffff807c993770 : 0xffffff7f817f5453

0xffffff807c9937d0 : 0xffffff7f817f584e

0xffffff807c993820 : 0xffffff7f817f5ac3

0xffffff807c9938b0 : 0xffffff7f817f6817

0xffffff807c9938e0 : 0xffffff7f817ae0a4

0xffffff807c993aa0 : 0xffffff7f817f6f70

0xffffff807c993b60 : 0xffffff7f817ab10d

0xffffff807c993bc0 : 0xffffff80006523be

0xffffff807c993be0 : 0xffffff8000652c9a

0xffffff807c993c40 : 0xffffff800065343b

0xffffff807c993d80 : 0xffffff80002a3898

0xffffff807c993e80 : 0xffffff8000223006

0xffffff807c993eb0 : 0xffffff8000214829

0xffffff807c993f10 : 0xffffff800021bb58

0xffffff807c993f70 : 0xffffff80002ae8a0

0xffffff807c993fb0 : 0xffffff80002d8383

Kernel Extensions in backtrace:

com.apple.NVDAResman(7.1.4)[71EBC846-807C-386D-8D01-E144A87FAC0F]@0xffffff7f808 b4000->0xffffff7f80b8dfff

dependency: com.apple.iokit.IOPCIFamily(2.6.7)[6D54F06A-46B7-37FC-AF22-DE68DC18A1A3]@0xffff ff7f8083f000

dependency: com.apple.iokit.IONDRVSupport(2.3.2)[6517D9A6-58F5-3CFC-B021-C882306150D5]@0xff ffff7f808a2000

dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[55FF26D3-292D-3B4B-8AB7-1D25C8B4313B]@0 xffffff7f8086a000

com.apple.nvidia.nv50hal(7.1.4)[A44D0B74-5A18-34D5-842C-4E280365F55F]@0xffffff7 f80b8e000->0xffffff7f80eaffff

dependency: com.apple.NVDAResman(7.1.4)[71EBC846-807C-386D-8D01-E144A87FAC0F]@0xffffff7f808 b4000

com.apple.GeForce(7.1.4)[6E2E0D5E-F779-35F2-A12C-0BAD59229A0E]@0xffffff7f817a00 00->0xffffff7f8185ffff

dependency: com.apple.NVDAResman(7.1.4)[71EBC846-807C-386D-8D01-E144A87FAC0F]@0xffffff7f808 b4000

dependency: com.apple.iokit.IONDRVSupport(2.3.2)[6517D9A6-58F5-3CFC-B021-C882306150D5]@0xff ffff7f808a2000

dependency: com.apple.iokit.IOPCIFamily(2.6.7)[6D54F06A-46B7-37FC-AF22-DE68DC18A1A3]@0xffff ff7f8083f000

dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[55FF26D3-292D-3B4B-8AB7-1D25C8B4313B]@0 xffffff7f8086a000

BSD process name corresponding to current thread: WindowServer

Mac OS version:

11C74

Kernel version:

Darwin Kernel Version 11.2.0: Tue Aug 9 20:54:00 PDT 2011; root:xnu-1699.24.8~1/RELEASE_X86_64

Kernel UUID: 59275DFA-10C0-30B3-9E26-F7B5DFB1A432

System model name: MacBookPro6,2 (Mac-F22586C8)

System uptime in nanoseconds: 49380834236

last loaded kext at 36943961942: com.apple.driver.AppleHWSensor 1.9.4d0 (addr 0xffffff7f81eaf000, size 28672)

loaded kexts:

org.virtualbox.kext.VBoxNetAdp 4.1.4

org.virtualbox.kext.VBoxNetFlt 4.1.4

org.virtualbox.kext.VBoxUSB 4.1.4

org.virtualbox.kext.VBoxDrv 4.1.4

com.apple.driver.AppleHWSensor 1.9.4d0

com.apple.filesystems.autofs 3.0

com.apple.filesystems.ntfs 3.8

com.apple.driver.AppleMikeyHIDDriver 122

com.apple.driver.AudioAUUC 1.59

com.apple.driver.AppleMikeyDriver 2.1.3f7

com.apple.driver.AppleTyMCEDriver 1.0.2d2

com.apple.driver.AppleHDA 2.1.3f7

com.apple.driver.AppleUpstreamUserClient 3.5.9

com.apple.driver.AppleMCCSControl 1.0.26

com.apple.driver.AppleIntelHDGraphics 7.1.4

com.apple.driver.AGPM 100.12.42

com.apple.driver.AppleIntelHDGraphicsFB 7.1.4

com.apple.driver.SMCMotionSensor 3.0.1d2

com.apple.iokit.IOUserEthernet 1.0.0d1

com.apple.driver.AppleSMCLMU 2.0.1d2

com.apple.GeForce 7.1.4

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.driver.AudioIPCDriver 1.2.1

com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.5d4

com.apple.driver.AppleMuxControl 3.0.16

com.apple.driver.AppleLPC 1.5.3

com.apple.driver.AppleBacklight 170.1.9

com.apple.driver.AppleUSBTCButtons 225.2

com.apple.driver.AppleUSBTCKeyEventDriver 225.2

com.apple.driver.AppleUSBTCKeyboard 225.2

com.apple.driver.AppleIRController 312

com.apple.driver.AppleUSBCardReader 3.0.1

com.apple.iokit.SCSITaskUserClient 3.0.1

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.BootCache 33

com.apple.iokit.IOAHCIBlockStorage 2.0.1

com.apple.driver.AppleFWOHCI 4.8.9

com.apple.driver.AirPort.Brcm4331 512.20.18

com.apple.iokit.AppleBCM5701Ethernet 3.0.8b2

com.apple.driver.AppleEFINVRAM 1.5.0

com.apple.driver.AppleUSBHub 4.5.0

com.apple.driver.AppleSmartBatteryManager 161.0.0

com.apple.driver.AppleAHCIPort 2.2.0

com.apple.driver.AppleUSBUHCI 4.4.5

com.apple.driver.AppleACPIButtons 1.4

com.apple.driver.AppleUSBEHCI 4.5.0

com.apple.driver.AppleRTC 1.4

com.apple.driver.AppleHPET 1.6

com.apple.driver.AppleSMBIOS 1.7

com.apple.driver.AppleACPIEC 1.4

com.apple.driver.AppleIntelCPUPowerManagementClient 167.0.0

com.apple.driver.AppleAPIC 1.5

com.apple.nke.applicationfirewall 3.2.30

com.apple.security.quarantine 1

com.apple.driver.AppleIntelCPUPowerManagement 167.0.0

com.apple.kext.triggers 1.0

com.apple.iokit.IOBluetoothSerialManager 4.0.1f4

com.apple.iokit.IOSerialFamily 10.0.5

com.apple.driver.AppleHDAHardwareConfigDriver 2.1.3f7

com.apple.driver.DspFuncLib 2.1.3f7

com.apple.driver.AppleSMBusController 1.0.10d0

com.apple.iokit.IOSurface 80.0

com.apple.iokit.IOFireWireIP 2.2.4

com.apple.iokit.IOAVBFamily 1.0.0d22

com.apple.driver.AppleHDAController 2.1.3f7

com.apple.iokit.IOHDAFamily 2.1.3f7

com.apple.iokit.IOAudioFamily 1.8.3fc11

com.apple.kext.OSvKernDSPLib 1.3

com.apple.driver.ApplePolicyControl 3.0.16

com.apple.driver.AppleSMC 3.1.1d8

com.apple.driver.IOPlatformPluginFamily 4.7.5d4

com.apple.driver.AppleSMBusPCI 1.0.10d0

com.apple.driver.AppleGraphicsControl 3.0.16

com.apple.driver.AppleBacklightExpert 1.0.3

com.apple.nvidia.nv50hal 7.1.4

com.apple.NVDAResman 7.1.4

com.apple.iokit.IONDRVSupport 2.3.2

com.apple.iokit.IOGraphicsFamily 2.3.2

com.apple.driver.BroadcomUSBBluetoothHCIController 4.0.1f4

com.apple.driver.AppleUSBBluetoothHCIController 4.0.1f4

com.apple.iokit.IOBluetoothFamily 4.0.1f4

com.apple.driver.AppleFileSystemDriver 13

com.apple.driver.AppleUSBMultitouch 227.1

com.apple.iokit.IOUSBHIDDriver 4.4.5

com.apple.iokit.IOSCSIBlockCommandsDevice 3.0.1

com.apple.iokit.IOUSBMassStorageClass 3.0.0

com.apple.driver.AppleUSBMergeNub 4.5.3

com.apple.driver.AppleUSBComposite 3.9.0

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.0.1

com.apple.iokit.IOBDStorageFamily 1.6

com.apple.iokit.IODVDStorageFamily 1.7

com.apple.iokit.IOCDStorageFamily 1.7

com.apple.driver.XsanFilter 403

com.apple.iokit.IOAHCISerialATAPI 2.0.1

com.apple.iokit.IOSCSIArchitectureModelFamily 3.0.1

com.apple.iokit.IOFireWireFamily 4.4.5

com.apple.iokit.IO80211Family 411.1

com.apple.iokit.IOEthernetAVBController 1.0.0d5

com.apple.iokit.IONetworkingFamily 2.0

com.apple.iokit.IOUSBUserClient 4.5.3

com.apple.iokit.IOAHCIFamily 2.0.7

com.apple.driver.AppleEFIRuntime 1.5.0

com.apple.iokit.IOHIDFamily 1.7.1

com.apple.iokit.IOUSBFamily 4.5.3

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 165.3

com.apple.kext.AppleMatch 1.0.0d1

com.apple.security.TMSafetyNet 7

com.apple.driver.DiskImages 331

com.apple.iokit.IOStorageFamily 1.7

com.apple.driver.AppleKeyStore 28.18

com.apple.driver.AppleACPIPlatform 1.4

com.apple.iokit.IOPCIFamily 2.6.7

com.apple.iokit.IOACPIFamily 1.4

Model: MacBookPro6,2, BootROM MBP61.0057.B0C, 2 processors, Intel Core i5, 2.4 GHz, 4 GB, SMC 1.58f16

Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 256 MB

Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB

Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54313235533642465238432D47372020

Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54313235533642465238432D47372020

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.100.98.75.18)

Bluetooth: Version 4.0.1f4, 2 service, 18 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: Hitachi HTS545032B9SA02, 320.07 GB

Serial ATA Device: MATSHITADVD-R UJ-898

USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfa100000 / 2

USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 5

USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8218, 0xfa113000 / 8

USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0236, 0xfa120000 / 4

USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa130000 / 3

USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfd100000 / 2

USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 4

USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0xfd110000 / 3