More panic crashes

Can anyone help decifer this? System info at end of crash report below.

Anonymous UUID: F1A1E747-41AD-4BEE-9DC7-7C038DC82E6C

Sun Jul 7 19:04:31 2013

panic(cpu 4 caller 0xffffff80002c4794): Kernel trap at 0xffffff80002eaf59, type 14=page fault, registers:

CR0: 0x0000000080010033, CR2: 0x0000004500000048, CR3: 0x00000000878b0000, CR4: 0x0000000000000660

RAX: 0xffffff8024141170, RBX: 0x0000000000000000, RCX: 0x0000000025000000, RDX: 0x0000000000000000

RSP: 0xffffff81c665b6f0, RBP: 0xffffff81c665b700, RSI: 0x0000000000000001, RDI: 0x0000004500000000

R8: 0x0000000000000000, R9: 0x000000000000000b, R10: 0x00000000c6651586, R11: 0x0000000000000000

R12: 0x0000000000000000, R13: 0xffffff80315f74d8, R14: 0x000000000000000b, R15: 0x0000000000000000

RFL: 0x0000000000010286, RIP: 0xffffff80002eaf59, CS: 0x0000000000000008, SS: 0x0000000000000010

CR2: 0x0000004500000048, Error code: 0x0000000000000000, Faulting CPU: 0x4

Backtrace (CPU 4), Frame : Return Address

0xffffff81c665b3a0 : 0xffffff8000220792

0xffffff81c665b420 : 0xffffff80002c4794

0xffffff81c665b5d0 : 0xffffff80002da55d

0xffffff81c665b5f0 : 0xffffff80002eaf59

0xffffff81c665b700 : 0xffffff80002ecb2a

0xffffff81c665b750 : 0xffffff80002ffed6

0xffffff81c665b7a0 : 0xffffff80002ffa2e

0xffffff81c665b7e0 : 0xffffff8000301e26

0xffffff81c665b870 : 0xffffff80004deacc

0xffffff81c665b960 : 0xffffff80004f2d1d

0xffffff81c665bb20 : 0xffffff800050503b

0xffffff81c665bb50 : 0xffffff80004d57ef

0xffffff81c665bc00 : 0xffffff80004d4a3a

0xffffff81c665be10 : 0xffffff8000319723

0xffffff81c665be70 : 0xffffff80003065cc

0xffffff81c665bf50 : 0xffffff80005ce4cb

0xffffff81c665bfb0 : 0xffffff80002daea3

BSD process name corresponding to current thread: mdworker

Mac OS version:

11G63b

Kernel version:

Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64

Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5

System model name: iMac11,1 (Mac-F2268DAE)

System uptime in nanoseconds: 1980939572404

last loaded kext at 239882967894: com.apple.driver.AppleBluetoothMultitouch 70.12 (addr 0xffffff7f81de1000, size 73728)

last unloaded kext at 303728478286: com.apple.driver.AppleUSBUHCI 5.1.0 (addr 0xffffff7f80a6e000, size 65536)

loaded kexts:

com.apple.driver.AppleBluetoothMultitouch 70.12

com.apple.filesystems.autofs 3.0

com.apple.driver.AppleHWSensor 1.9.5d0

com.apple.driver.AppleMikeyHIDDriver 122

com.apple.driver.AudioAUUC 1.59

com.apple.driver.AppleUpstreamUserClient 3.5.9

com.apple.kext.ATIFramebuffer 7.3.2

com.apple.driver.AppleMikeyDriver 2.2.5a5

com.apple.driver.AppleHDA 2.2.5a5

com.apple.ATIRadeonX2000 7.3.2

com.apple.driver.AGPM 100.12.75

com.apple.iokit.IOUserEthernet 1.0.0d1

com.apple.iokit.IOBluetoothSerialManager 4.0.8f17

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.driver.AudioIPCDriver 1.2.3

com.apple.driver.ApplePolicyControl 3.1.33

com.apple.driver.ACPI_SMC_PlatformPlugin 5.0.0d8

com.apple.driver.AppleLPC 1.6.0

com.apple.driver.AppleBacklight 170.2.2

com.apple.driver.AppleMCCSControl 1.0.33

com.apple.driver.BroadcomUSBBluetoothHCIController 4.0.8f17

com.apple.driver.AppleUSBCardReader 3.0.6

com.apple.driver.AppleIRController 312

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.BootCache 33

com.apple.iokit.SCSITaskUserClient 3.2.1

com.apple.driver.XsanFilter 404

com.apple.iokit.IOAHCISerialATAPI 2.0.3

com.apple.iokit.IOAHCIBlockStorage 2.1.0

com.apple.driver.AppleFWOHCI 4.9.0

com.apple.driver.AppleUSBHub 5.1.0

com.apple.driver.AirPort.Atheros40 505.67.1

com.apple.iokit.AppleBCM5701Ethernet 3.2.4b8

com.apple.driver.AppleEFINVRAM 1.6.1

com.apple.driver.AppleAHCIPort 2.3.1

com.apple.driver.AppleUSBEHCI 5.1.0

com.apple.driver.AppleACPIButtons 1.5

com.apple.driver.AppleRTC 1.5

com.apple.driver.AppleHPET 1.7

com.apple.driver.AppleSMBIOS 1.9

com.apple.driver.AppleACPIEC 1.5

com.apple.driver.AppleAPIC 1.6

com.apple.driver.AppleIntelCPUPowerManagementClient 195.0.0

com.apple.nke.applicationfirewall 3.2.30

com.apple.security.quarantine 1.4

com.apple.security.TMSafetyNet 8

com.apple.driver.AppleIntelCPUPowerManagement 195.0.0

com.apple.driver.AppleMultitouchDriver 231.4

com.apple.driver.IOBluetoothHIDDriver 4.0.8f17

com.apple.kext.triggers 1.0

com.apple.driver.DspFuncLib 2.2.5a5

com.apple.kext.ATI4800Controller 7.3.2

com.apple.kext.ATISupport 7.3.2

com.apple.iokit.IOSurface 80.0.2

com.apple.iokit.IOFireWireIP 2.2.5

com.apple.iokit.IOSerialFamily 10.0.5

com.apple.driver.AppleHDAController 2.2.5a5

com.apple.iokit.IOHDAFamily 2.2.5a5

com.apple.iokit.IOAudioFamily 1.8.6fc18

com.apple.kext.OSvKernDSPLib 1.3

com.apple.driver.AppleSMC 3.1.3d10

com.apple.driver.IOPlatformPluginLegacy 5.0.0d8

com.apple.driver.AppleSMBusPCI 1.0.10d0

com.apple.driver.AppleGraphicsControl 3.1.33

com.apple.driver.IOPlatformPluginFamily 5.1.1d6

com.apple.driver.AppleBacklightExpert 1.0.4

com.apple.iokit.IONDRVSupport 2.3.4

com.apple.driver.AppleSMBusController 1.0.10d0

com.apple.iokit.IOGraphicsFamily 2.3.4

com.apple.driver.AppleUSBHIDKeyboard 160.7

com.apple.driver.AppleHIDKeyboard 160.7

com.apple.driver.AppleUSBBluetoothHCIController 4.0.8f17

com.apple.iokit.IOBluetoothFamily 4.0.8f17

com.apple.iokit.IOSCSIBlockCommandsDevice 3.2.1

com.apple.iokit.IOUSBMassStorageClass 3.0.3

com.apple.iokit.IOUSBHIDDriver 5.0.0

com.apple.driver.AppleUSBMergeNub 5.1.0

com.apple.driver.AppleUSBComposite 5.0.0

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.2.1

com.apple.iokit.IOBDStorageFamily 1.7

com.apple.iokit.IODVDStorageFamily 1.7.1

com.apple.iokit.IOCDStorageFamily 1.7.1

com.apple.iokit.IOSCSIArchitectureModelFamily 3.2.1

com.apple.iokit.IOFireWireFamily 4.4.8

com.apple.iokit.IOUSBUserClient 5.0.0

com.apple.iokit.IO80211Family 420.3

com.apple.iokit.IOEthernetAVBController 1.0.1b1

com.apple.iokit.IONetworkingFamily 2.1

com.apple.iokit.IOAHCIFamily 2.0.8

com.apple.iokit.IOUSBFamily 5.1.0

com.apple.driver.AppleEFIRuntime 1.6.1

com.apple.iokit.IOHIDFamily 1.7.1

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 177.11

com.apple.kext.AppleMatch 1.0.0d1

com.apple.driver.DiskImages 331.7

com.apple.iokit.IOStorageFamily 1.7.2

com.apple.driver.AppleKeyStore 28.18

com.apple.driver.AppleACPIPlatform 1.5

com.apple.iokit.IOPCIFamily 2.7

com.apple.iokit.IOACPIFamily 1.4

Model: iMac11,1, BootROM IM111.0034.B02, 4 processors, Intel Core i7, 2.8 GHz, 16 GB, SMC 1.54f36

Graphics: ATI Radeon HD 4850, ATI Radeon HD 4850, PCIe, 512 MB

Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x04CB, 0x202020202020202020202020202020202020

Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x8783, 0x5352543447383653312D4737480000000000

Memory Module: BANK 0/DIMM1, 4 GB, DDR3, 1067 MHz, 0x8783, 0x5352543447383653312D4737480000000000

Memory Module: BANK 1/DIMM1, 4 GB, DDR3, 1067 MHz, 0x04CB, 0x202020202020202020202020202020202020

AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 4.0.67.5-P2P

Bluetooth: Version 4.0.8f17, 2 service, 18 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: WDC WD1001FALS-40U9B0, 1 TB

Serial ATA Device: OPTIARC DVD RW AD-5680H

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

USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0xfa130000 / 5

USB Device: Apple Keyboard, apple_vendor_id, 0x0220, 0xfa132000 / 6

USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa120000 / 4

USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 3

USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0xfa111000 / 7

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, 0x8502, 0xfd110000 / 3

>>>

SYSTEM INFO

Hardware Overview:

Model Name: iMac

Model Identifier: iMac11,1

Processor Name: Intel Core i7

Processor Speed: 2.8 GHz

Number of Processors: 1

Total Number of Cores: 4

L2 Cache (per Core): 256 KB

L3 Cache: 8 MB

Memory: 16 GB

Processor Interconnect Speed: 4.8 GT/s

Boot ROM Version: IM111.0034.B02

SMC Version (system): 1.54f36

Serial Number (system): W89474GG5RU

Hardware UUID: 2FEB0360-164D-5478-9903-7CCCB9C76BD5