Macbook keeps intermittently restarting

Hi guys,

I am having an issue with my mid 2012 Macbook pro. About once or twice every day or two, it switches off all by itself. When I restart it back up again it pops up with a panic report (see below). Any help or advice much appreciated.

*** Panic Report ***

panic(cpu 0 caller 0xffffff8021017cc2): Kernel trap at 0xffffff8020fcf5a6, type 14=page fault, registers:

CR0: 0x0000000080010033, CR2: 0xffffff8f49091028, CR3: 0x0000000414e67050, CR4: 0x00000000001626e0

RAX: 0xffffff7f80000000, RBX: 0xffffff803f2468c0, RCX: 0xffffff7f80000028, RDX: 0x0000000fc9091000

RSP: 0xffffff82092d3ce0, RBP: 0xffffff82092d3d10, RSI: 0x000000004463b6a5, RDI: 0xffffff8025e3da40

R8: 0xffffff804e1033c0, R9: 0x0000000000000000, R10: 0x0000131338201330, R11: 0xfffff125b0ba0888

R12: 0xffffff8025e3da40, R13: 0xffffff8024d80000, R14: 0x00000000000eb000, R15: 0xffffff80459333c0

RFL: 0x0000000000010206, RIP: 0xffffff8020fcf5a6, CS: 0x0000000000000008, SS: 0x0000000000000000

Fault CR2: 0xffffff8f49091028, Error code: 0x0000000000000000, Fault CPU: 0x0

Backtrace (CPU 0), Frame : Return Address

0xffffff82092d3990 : 0xffffff8020f2bda1

0xffffff82092d3a10 : 0xffffff8021017cc2

0xffffff82092d3bd0 : 0xffffff8021034b73

0xffffff82092d3bf0 : 0xffffff8020fcf5a6

0xffffff82092d3d10 : 0xffffff8020f993f9

0xffffff82092d3f20 : 0xffffff8021018224

0xffffff82092d3fb0 : 0xffffff8021034a85

BSD process name corresponding to current thread: Google Chrome He

Mac OS version:

14E46

Kernel version:

Darwin Kernel Version 14.4.0: Thu May 28 11:35:04 PDT 2015; root:xnu-2782.30.5~1/RELEASE_X86_64

Kernel UUID: E3C26B2F-8B97-3F1D-B193-690F7E34F830

Kernel slide: 0x0000000020c00000

Kernel text base: 0xffffff8020e00000

__HIB text base: 0xffffff8020d00000

System model name: MacBookPro9,1 (Mac-4B7AC7E43945597E)

System uptime in nanoseconds: 3350099946901

last loaded kext at 42886181393: com.apple.driver.AudioAUUC 1.70 (addr 0xffffff7fa33a7000, size 32768)

last unloaded kext at 266517307214: com.apple.driver.AirPort.Brcm4331 800.20.24 (addr 0xffffff7fa2e5d000, size 2043904)

loaded kexts:

com.apple.driver.AudioAUUC 1.70

com.apple.driver.AppleHWSensor 1.9.5d0

com.apple.driver.AGPM 110.19.6

com.apple.driver.X86PlatformShim 1.0.0

com.apple.filesystems.autofs 3.0

com.apple.iokit.IOBluetoothSerialManager 4.3.5f8

com.apple.driver.AppleMikeyHIDDriver 124

com.apple.driver.AppleOSXWatchdog 1

com.apple.driver.AppleHDA 272.18.1

com.apple.driver.AppleUpstreamUserClient 3.6.1

com.apple.iokit.IOUserEthernet 1.0.1

com.apple.GeForce 10.0.4

com.apple.driver.AppleIntelHD4000Graphics 10.0.6

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.driver.AppleHWAccess 1

com.apple.driver.AppleMikeyDriver 272.18.1

com.apple.driver.AppleThunderboltIP 2.0.2

com.apple.driver.AppleHV 1

com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.5f8

com.apple.driver.AppleSMCPDRC 1.0.0

com.apple.driver.AppleIntelFramebufferCapri 10.0.6

com.apple.driver.SMCMotionSensor 3.0.4d1

com.apple.driver.AppleSMCLMU 2.0.7d0

com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0

com.apple.driver.AppleLPC 1.7.3

com.apple.driver.AppleMuxControl 3.10.24

com.apple.driver.AppleMCCSControl 1.2.12

com.apple.driver.AppleUSBTCButtons 240.2

com.apple.driver.AppleIRController 327.5

com.apple.driver.AppleUSBTCKeyboard 240.2

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0

com.apple.BootCache 36

com.apple.driver.AppleUSBHub 705.4.2

com.apple.iokit.SCSITaskUserClient 3.7.5

com.apple.driver.XsanFilter 404

com.apple.iokit.IOAHCIBlockStorage 2.7.1

com.apple.driver.AppleSDXC 1.6.5

com.apple.iokit.AppleBCM5701Ethernet 10.1.3

com.apple.driver.AppleFWOHCI 5.5.2

com.apple.driver.AirPort.Brcm4360 930.37.3

com.apple.driver.AppleAHCIPort 3.1.2

com.apple.driver.AppleUSBEHCI 705.4.14

com.apple.driver.AppleUSBXHCI 710.4.11

com.apple.driver.AppleSmartBatteryManager 161.0.0

com.apple.driver.AppleACPIButtons 3.1

com.apple.driver.AppleRTC 2.0

com.apple.driver.AppleHPET 1.8

com.apple.driver.AppleSMBIOS 2.1

com.apple.driver.AppleACPIEC 3.1

com.apple.driver.AppleAPIC 1.7

com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0

com.apple.nke.applicationfirewall 161

com.apple.security.quarantine 3

com.apple.security.TMSafetyNet 8

com.apple.driver.AppleIntelCPUPowerManagement 218.0.0

com.apple.kext.triggers 1.0

com.apple.iokit.IOSerialFamily 11

com.apple.driver.DspFuncLib 272.18.1

com.apple.kext.OSvKernDSPLib 1.15

com.apple.nvidia.driver.NVDAGK100Hal 10.0.4

com.apple.nvidia.driver.NVDAResman 10.0.4

com.apple.iokit.IOSurface 97.4

com.apple.iokit.IOFireWireIP 2.2.6

com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.5f8

com.apple.iokit.IOBluetoothFamily 4.3.5f8

com.apple.iokit.IOAcceleratorFamily2 156.16

com.apple.AppleGraphicsDeviceControl 3.10.24

com.apple.driver.AppleHDAController 272.18.1

com.apple.iokit.IOHDAFamily 272.18.1

com.apple.iokit.IOAudioFamily 203.3

com.apple.vecLib.kext 1.2.0

com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0

com.apple.driver.X86PlatformPlugin 1.0.0

com.apple.iokit.IOUSBUserClient 705.4.0

com.apple.driver.IOPlatformPluginFamily 5.9.1d7

com.apple.driver.AppleSMBusPCI 1.0.12d1

com.apple.driver.AppleGraphicsControl 3.10.24

com.apple.driver.AppleBacklightExpert 1.1.0

com.apple.driver.AppleSMC 3.1.9

com.apple.iokit.IONDRVSupport 2.4.1

com.apple.driver.AppleSMBusController 1.0.13d1

com.apple.iokit.IOGraphicsFamily 2.4.1

com.apple.driver.AppleUSBMultitouch 245.2

com.apple.iokit.IOUSBHIDDriver 705.4.0

com.apple.driver.AppleUSBMergeNub 705.4.0

com.apple.driver.AppleUSBComposite 705.4.9

com.apple.driver.CoreStorage 471.30.1

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.5

com.apple.iokit.IOBDStorageFamily 1.7

com.apple.iokit.IODVDStorageFamily 1.7.1

com.apple.iokit.IOCDStorageFamily 1.7.1

com.apple.driver.AppleThunderboltDPInAdapter 4.0.6

com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6

com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2

com.apple.iokit.IOAHCISerialATAPI 2.6.1

com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.5

com.apple.driver.AppleThunderboltNHI 3.1.7

com.apple.iokit.IOThunderboltFamily 4.2.2

com.apple.iokit.IOEthernetAVBController 1.0.3b3

com.apple.iokit.IOFireWireFamily 4.5.7

com.apple.iokit.IO80211Family 730.60

com.apple.driver.mDNSOffloadUserClient 1.0.1b8

com.apple.iokit.IONetworkingFamily 3.2

com.apple.iokit.IOAHCIFamily 2.7.5

com.apple.iokit.IOUSBFamily 720.4.4

com.apple.driver.AppleEFINVRAM 2.0

com.apple.driver.AppleEFIRuntime 2.0

com.apple.iokit.IOHIDFamily 2.0.0

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 300.0

com.apple.kext.AppleMatch 1.0.0d1

com.apple.driver.AppleKeyStore 2

com.apple.driver.AppleMobileFileIntegrity 1.0.5

com.apple.driver.AppleCredentialManager 1.0

com.apple.driver.DiskImages 397

com.apple.iokit.IOStorageFamily 2.0

com.apple.iokit.IOReportFamily 31

com.apple.driver.AppleFDEKeyStore 28.30

com.apple.driver.AppleACPIPlatform 3.1

com.apple.iokit.IOPCIFamily 2.9

com.apple.iokit.IOACPIFamily 1.4

com.apple.kec.corecrypto 1.0

com.apple.kec.Libm 1

com.apple.kec.pthread 1

Model: MacBookPro9,1, BootROM MBP91.00D3.B0B, 4 processors, Intel Core i7, 2.3 GHz, 16 GB, SMC 2.1f175

Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In

Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 512 MB

Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x859B, 0x43543130323436344246313630422E433136

Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x859B, 0x43543130323436344246313630422E433136

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (7.15.166.24.3)

Bluetooth: Version 4.3.5f8 15969, 3 services, 27 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: APPLE HDD HTS547550A9E384, 500.11 GB

Serial ATA Device: MATSHITADVD-R UJ-8A8

USB Device: Hub

USB Device: Hub

USB Device: BRCM20702 Hub

USB Device: Bluetooth USB Host Controller

USB Device: Apple Internal Keyboard / Trackpad

USB Device: IR Receiver

USB Device: Hub

USB Device: FaceTime HD Camera (Built-in)

Thunderbolt Bus: MacBook Pro, Apple Inc., 25.1

Many Thanks